Update code

mcp-server-ssh/node_modules/zod/src/v4/classic/checks.ts

@@ -0,0 +1,32 @@
+export {
+  _lt as lt,
+  _lte as lte,
+  _gt as gt,
+  _gte as gte,
+  _positive as positive,
+  _negative as negative,
+  _nonpositive as nonpositive,
+  _nonnegative as nonnegative,
+  _multipleOf as multipleOf,
+  _maxSize as maxSize,
+  _minSize as minSize,
+  _size as size,
+  _maxLength as maxLength,
+  _minLength as minLength,
+  _length as length,
+  _regex as regex,
+  _lowercase as lowercase,
+  _uppercase as uppercase,
+  _includes as includes,
+  _startsWith as startsWith,
+  _endsWith as endsWith,
+  _property as property,
+  _mime as mime,
+  _overwrite as overwrite,
+  _normalize as normalize,
+  _trim as trim,
+  _toLowerCase as toLowerCase,
+  _toUpperCase as toUpperCase,
+  _slugify as slugify,
+  type $RefinementCtx as RefinementCtx,
+} from "../core/index.js";

mcp-server-ssh/node_modules/zod/src/v4/classic/coerce.ts

@@ -0,0 +1,27 @@
+import * as core from "../core/index.js";
+import * as schemas from "./schemas.js";
+
+export interface ZodCoercedString<T = unknown> extends schemas._ZodString<core.$ZodStringInternals<T>> {}
+export function string<T = unknown>(params?: string | core.$ZodStringParams): ZodCoercedString<T> {
+  return core._coercedString(schemas.ZodString, params) as any;
+}
+
+export interface ZodCoercedNumber<T = unknown> extends schemas._ZodNumber<core.$ZodNumberInternals<T>> {}
+export function number<T = unknown>(params?: string | core.$ZodNumberParams): ZodCoercedNumber<T> {
+  return core._coercedNumber(schemas.ZodNumber, params) as ZodCoercedNumber<T>;
+}
+
+export interface ZodCoercedBoolean<T = unknown> extends schemas._ZodBoolean<core.$ZodBooleanInternals<T>> {}
+export function boolean<T = unknown>(params?: string | core.$ZodBooleanParams): ZodCoercedBoolean<T> {
+  return core._coercedBoolean(schemas.ZodBoolean, params) as ZodCoercedBoolean<T>;
+}
+
+export interface ZodCoercedBigInt<T = unknown> extends schemas._ZodBigInt<core.$ZodBigIntInternals<T>> {}
+export function bigint<T = unknown>(params?: string | core.$ZodBigIntParams): ZodCoercedBigInt<T> {
+  return core._coercedBigint(schemas.ZodBigInt, params) as ZodCoercedBigInt<T>;
+}
+
+export interface ZodCoercedDate<T = unknown> extends schemas._ZodDate<core.$ZodDateInternals<T>> {}
+export function date<T = unknown>(params?: string | core.$ZodDateParams): ZodCoercedDate<T> {
+  return core._coercedDate(schemas.ZodDate, params) as ZodCoercedDate<T>;
+}

mcp-server-ssh/node_modules/zod/src/v4/classic/compat.ts

@@ -0,0 +1,70 @@
+// Zod 3 compat layer
+
+import * as core from "../core/index.js";
+import type { ZodType } from "./schemas.js";
+
+export type {
+  /** @deprecated Use `z.output<T>` instead. */
+  output as TypeOf,
+  /** @deprecated Use `z.output<T>` instead. */
+  output as Infer,
+  /** @deprecated Use `z.core.$$ZodFirstPartyTypes` instead */
+  $ZodTypes as ZodFirstPartySchemaTypes,
+} from "../core/index.js";
+
+/** @deprecated Use the raw string literal codes instead, e.g. "invalid_type". */
+export const ZodIssueCode = {
+  invalid_type: "invalid_type",
+  too_big: "too_big",
+  too_small: "too_small",
+  invalid_format: "invalid_format",
+  not_multiple_of: "not_multiple_of",
+  unrecognized_keys: "unrecognized_keys",
+  invalid_union: "invalid_union",
+  invalid_key: "invalid_key",
+  invalid_element: "invalid_element",
+  invalid_value: "invalid_value",
+  custom: "custom",
+} as const;
+
+/** @deprecated Use `z.$ZodFlattenedError` */
+export type inferFlattenedErrors<T extends core.$ZodType, U = string> = core.$ZodFlattenedError<core.output<T>, U>;
+
+/** @deprecated Use `z.$ZodFormattedError` */
+export type inferFormattedError<T extends core.$ZodType<any, any>, U = string> = core.$ZodFormattedError<
+  core.output<T>,
+  U
+>;
+
+/** Use `z.$brand` instead */
+export type BRAND<T extends string | number | symbol = string | number | symbol> = {
+  [core.$brand]: { [k in T]: true };
+};
+export { $brand, config } from "../core/index.js";
+
+/** @deprecated Use `z.config(params)` instead. */
+export function setErrorMap(map: core.$ZodErrorMap): void {
+  core.config({
+    customError: map,
+  });
+}
+
+/** @deprecated Use `z.config()` instead. */
+export function getErrorMap(): core.$ZodErrorMap<core.$ZodIssue> | undefined {
+  return core.config().customError;
+}
+
+export type {
+  /** @deprecated Use z.ZodType (without generics) instead. */
+  ZodType as ZodTypeAny,
+  /** @deprecated Use `z.ZodType` */
+  ZodType as ZodSchema,
+  /** @deprecated Use `z.ZodType` */
+  ZodType as Schema,
+};
+
+/** Included for Zod 3 compatibility */
+export type ZodRawShape = core.$ZodShape;
+
+/** @deprecated Do not use. Stub definition, only included for zod-to-json-schema compatibility. */
+export enum ZodFirstPartyTypeKind {}

mcp-server-ssh/node_modules/zod/src/v4/classic/errors.ts

@@ -0,0 +1,82 @@
+import * as core from "../core/index.js";
+import { $ZodError } from "../core/index.js";
+import * as util from "../core/util.js";
+
+/** @deprecated Use `z.core.$ZodIssue` from `@zod/core` instead, especially if you are building a library on top of Zod. */
+export type ZodIssue = core.$ZodIssue;
+
+/** An Error-like class used to store Zod validation issues.  */
+export interface ZodError<T = unknown> extends $ZodError<T> {
+  /** @deprecated Use the `z.treeifyError(err)` function instead. */
+  format(): core.$ZodFormattedError<T>;
+  format<U>(mapper: (issue: core.$ZodIssue) => U): core.$ZodFormattedError<T, U>;
+  /** @deprecated Use the `z.treeifyError(err)` function instead. */
+  flatten(): core.$ZodFlattenedError<T>;
+  flatten<U>(mapper: (issue: core.$ZodIssue) => U): core.$ZodFlattenedError<T, U>;
+  /** @deprecated Push directly to `.issues` instead. */
+  addIssue(issue: core.$ZodIssue): void;
+  /** @deprecated Push directly to `.issues` instead. */
+  addIssues(issues: core.$ZodIssue[]): void;
+
+  /** @deprecated Check `err.issues.length === 0` instead. */
+  isEmpty: boolean;
+}
+
+const initializer = (inst: ZodError, issues: core.$ZodIssue[]) => {
+  $ZodError.init(inst, issues);
+  inst.name = "ZodError";
+  Object.defineProperties(inst, {
+    format: {
+      value: (mapper: any) => core.formatError(inst, mapper),
+      // enumerable: false,
+    },
+    flatten: {
+      value: (mapper: any) => core.flattenError(inst, mapper),
+      // enumerable: false,
+    },
+    addIssue: {
+      value: (issue: any) => {
+        inst.issues.push(issue);
+        inst.message = JSON.stringify(inst.issues, util.jsonStringifyReplacer, 2);
+      },
+      // enumerable: false,
+    },
+    addIssues: {
+      value: (issues: any) => {
+        inst.issues.push(...issues);
+        inst.message = JSON.stringify(inst.issues, util.jsonStringifyReplacer, 2);
+      },
+      // enumerable: false,
+    },
+    isEmpty: {
+      get() {
+        return inst.issues.length === 0;
+      },
+      // enumerable: false,
+    },
+  });
+  // Object.defineProperty(inst, "isEmpty", {
+  //   get() {
+  //     return inst.issues.length === 0;
+  //   },
+  // });
+};
+export const ZodError: core.$constructor<ZodError> = core.$constructor("ZodError", initializer);
+export const ZodRealError: core.$constructor<ZodError> = core.$constructor("ZodError", initializer, {
+  Parent: Error,
+});
+
+export type {
+  /** @deprecated Use `z.core.$ZodFlattenedError` instead. */
+  $ZodFlattenedError as ZodFlattenedError,
+  /** @deprecated Use `z.core.$ZodFormattedError` instead. */
+  $ZodFormattedError as ZodFormattedError,
+  /** @deprecated Use `z.core.$ZodErrorMap` instead. */
+  $ZodErrorMap as ZodErrorMap,
+} from "../core/index.js";
+
+/** @deprecated Use `z.core.$ZodRawIssue` instead. */
+export type IssueData = core.$ZodRawIssue;
+
+// /** @deprecated Use `z.core.$ZodErrorMapCtx` instead. */
+// export type ErrorMapCtx = core.$ZodErrorMapCtx;

mcp-server-ssh/node_modules/zod/src/v4/classic/external.ts

@@ -0,0 +1,51 @@
+export * as core from "../core/index.js";
+export * from "./schemas.js";
+export * from "./checks.js";
+export * from "./errors.js";
+export * from "./parse.js";
+export * from "./compat.js";
+
+// zod-specified
+import { config } from "../core/index.js";
+import en from "../locales/en.js";
+config(en());
+
+export type { infer, output, input } from "../core/index.js";
+export {
+  globalRegistry,
+  type GlobalMeta,
+  registry,
+  config,
+  $output,
+  $input,
+  $brand,
+  clone,
+  regexes,
+  treeifyError,
+  prettifyError,
+  formatError,
+  flattenError,
+  TimePrecision,
+  util,
+  NEVER,
+} from "../core/index.js";
+export { toJSONSchema } from "../core/json-schema-processors.js";
+export { fromJSONSchema } from "./from-json-schema.js";
+
+export * as locales from "../locales/index.js";
+
+// iso
+// must be exported from top-level
+// https://github.com/colinhacks/zod/issues/4491
+export { ZodISODateTime, ZodISODate, ZodISOTime, ZodISODuration } from "./iso.js";
+export * as iso from "./iso.js";
+
+// coerce
+export type {
+  ZodCoercedString,
+  ZodCoercedNumber,
+  ZodCoercedBigInt,
+  ZodCoercedBoolean,
+  ZodCoercedDate,
+} from "./coerce.js";
+export * as coerce from "./coerce.js";

mcp-server-ssh/node_modules/zod/src/v4/classic/from-json-schema.ts

@@ -0,0 +1,643 @@
+import type * as JSONSchema from "../core/json-schema.js";
+import { type $ZodRegistry, globalRegistry } from "../core/registries.js";
+import * as _checks from "./checks.js";
+import * as _iso from "./iso.js";
+import * as _schemas from "./schemas.js";
+import type { ZodNumber, ZodString, ZodType } from "./schemas.js";
+
+// Local z object to avoid circular dependency with ../index.js
+const z = {
+  ..._schemas,
+  ..._checks,
+  iso: _iso,
+};
+
+type JSONSchemaVersion = "draft-2020-12" | "draft-7" | "draft-4" | "openapi-3.0";
+
+interface FromJSONSchemaParams {
+  defaultTarget?: JSONSchemaVersion;
+  registry?: $ZodRegistry<any>;
+}
+
+interface ConversionContext {
+  version: JSONSchemaVersion;
+  defs: Record<string, JSONSchema.JSONSchema>;
+  refs: Map<string, ZodType>;
+  processing: Set<string>;
+  rootSchema: JSONSchema.JSONSchema;
+  registry: $ZodRegistry<any>;
+}
+
+// Keys that are recognized and handled by the conversion logic
+const RECOGNIZED_KEYS = new Set([
+  // Schema identification
+  "$schema",
+  "$ref",
+  "$defs",
+  "definitions",
+  // Core schema keywords
+  "$id",
+  "id",
+  "$comment",
+  "$anchor",
+  "$vocabulary",
+  "$dynamicRef",
+  "$dynamicAnchor",
+  // Type
+  "type",
+  "enum",
+  "const",
+  // Composition
+  "anyOf",
+  "oneOf",
+  "allOf",
+  "not",
+  // Object
+  "properties",
+  "required",
+  "additionalProperties",
+  "patternProperties",
+  "propertyNames",
+  "minProperties",
+  "maxProperties",
+  // Array
+  "items",
+  "prefixItems",
+  "additionalItems",
+  "minItems",
+  "maxItems",
+  "uniqueItems",
+  "contains",
+  "minContains",
+  "maxContains",
+  // String
+  "minLength",
+  "maxLength",
+  "pattern",
+  "format",
+  // Number
+  "minimum",
+  "maximum",
+  "exclusiveMinimum",
+  "exclusiveMaximum",
+  "multipleOf",
+  // Already handled metadata
+  "description",
+  "default",
+  // Content
+  "contentEncoding",
+  "contentMediaType",
+  "contentSchema",
+  // Unsupported (error-throwing)
+  "unevaluatedItems",
+  "unevaluatedProperties",
+  "if",
+  "then",
+  "else",
+  "dependentSchemas",
+  "dependentRequired",
+  // OpenAPI
+  "nullable",
+  "readOnly",
+]);
+
+function detectVersion(schema: JSONSchema.JSONSchema, defaultTarget?: JSONSchemaVersion): JSONSchemaVersion {
+  const $schema = schema.$schema;
+
+  if ($schema === "https://json-schema.org/draft/2020-12/schema") {
+    return "draft-2020-12";
+  }
+  if ($schema === "http://json-schema.org/draft-07/schema#") {
+    return "draft-7";
+  }
+  if ($schema === "http://json-schema.org/draft-04/schema#") {
+    return "draft-4";
+  }
+
+  // Use defaultTarget if provided, otherwise default to draft-2020-12
+  return defaultTarget ?? "draft-2020-12";
+}
+
+function resolveRef(ref: string, ctx: ConversionContext): JSONSchema.JSONSchema {
+  if (!ref.startsWith("#")) {
+    throw new Error("External $ref is not supported, only local refs (#/...) are allowed");
+  }
+
+  const path = ref.slice(1).split("/").filter(Boolean);
+
+  // Handle root reference "#"
+  if (path.length === 0) {
+    return ctx.rootSchema;
+  }
+
+  const defsKey = ctx.version === "draft-2020-12" ? "$defs" : "definitions";
+
+  if (path[0] === defsKey) {
+    const key = path[1];
+    if (!key || !ctx.defs[key]) {
+      throw new Error(`Reference not found: ${ref}`);
+    }
+    return ctx.defs[key]!;
+  }
+
+  throw new Error(`Reference not found: ${ref}`);
+}
+
+function convertBaseSchema(schema: JSONSchema.JSONSchema, ctx: ConversionContext): ZodType {
+  // Handle unsupported features
+  if (schema.not !== undefined) {
+    // Special case: { not: {} } represents never
+    if (typeof schema.not === "object" && Object.keys(schema.not).length === 0) {
+      return z.never();
+    }
+    throw new Error("not is not supported in Zod (except { not: {} } for never)");
+  }
+  if (schema.unevaluatedItems !== undefined) {
+    throw new Error("unevaluatedItems is not supported");
+  }
+  if (schema.unevaluatedProperties !== undefined) {
+    throw new Error("unevaluatedProperties is not supported");
+  }
+  if (schema.if !== undefined || schema.then !== undefined || schema.else !== undefined) {
+    throw new Error("Conditional schemas (if/then/else) are not supported");
+  }
+  if (schema.dependentSchemas !== undefined || schema.dependentRequired !== undefined) {
+    throw new Error("dependentSchemas and dependentRequired are not supported");
+  }
+
+  // Handle $ref
+  if (schema.$ref) {
+    const refPath = schema.$ref;
+    if (ctx.refs.has(refPath)) {
+      return ctx.refs.get(refPath)!;
+    }
+
+    if (ctx.processing.has(refPath)) {
+      // Circular reference - use lazy
+      return z.lazy(() => {
+        if (!ctx.refs.has(refPath)) {
+          throw new Error(`Circular reference not resolved: ${refPath}`);
+        }
+        return ctx.refs.get(refPath)!;
+      });
+    }
+
+    ctx.processing.add(refPath);
+    const resolved = resolveRef(refPath, ctx);
+    const zodSchema = convertSchema(resolved, ctx);
+    ctx.refs.set(refPath, zodSchema);
+    ctx.processing.delete(refPath);
+    return zodSchema;
+  }
+
+  // Handle enum
+  if (schema.enum !== undefined) {
+    const enumValues = schema.enum;
+
+    // Special case: OpenAPI 3.0 null representation { type: "string", nullable: true, enum: [null] }
+    if (
+      ctx.version === "openapi-3.0" &&
+      schema.nullable === true &&
+      enumValues.length === 1 &&
+      enumValues[0] === null
+    ) {
+      return z.null();
+    }
+
+    if (enumValues.length === 0) {
+      return z.never();
+    }
+    if (enumValues.length === 1) {
+      return z.literal(enumValues[0]!);
+    }
+    // Check if all values are strings
+    if (enumValues.every((v) => typeof v === "string")) {
+      return z.enum(enumValues as [string, ...string[]]);
+    }
+    // Mixed types - use union of literals
+    const literalSchemas = enumValues.map((v) => z.literal(v));
+    if (literalSchemas.length < 2) {
+      return literalSchemas[0]!;
+    }
+    return z.union([literalSchemas[0]!, literalSchemas[1]!, ...literalSchemas.slice(2)] as [
+      ZodType,
+      ZodType,
+      ...ZodType[],
+    ]);
+  }
+
+  // Handle const
+  if (schema.const !== undefined) {
+    return z.literal(schema.const);
+  }
+
+  // Handle type
+  const type = schema.type;
+
+  if (Array.isArray(type)) {
+    // Expand type array into anyOf union
+    const typeSchemas = type.map((t) => {
+      const typeSchema: JSONSchema.JSONSchema = { ...schema, type: t };
+      return convertBaseSchema(typeSchema, ctx);
+    });
+    if (typeSchemas.length === 0) {
+      return z.never();
+    }
+    if (typeSchemas.length === 1) {
+      return typeSchemas[0]!;
+    }
+    return z.union(typeSchemas as [ZodType, ZodType, ...ZodType[]]);
+  }
+
+  if (!type) {
+    // No type specified - empty schema (any)
+    return z.any();
+  }
+
+  let zodSchema: ZodType;
+
+  switch (type) {
+    case "string": {
+      let stringSchema: ZodString = z.string();
+
+      // Apply format using .check() with Zod format functions
+      if (schema.format) {
+        const format = schema.format;
+        // Map common formats to Zod check functions
+        if (format === "email") {
+          stringSchema = stringSchema.check(z.email());
+        } else if (format === "uri" || format === "uri-reference") {
+          stringSchema = stringSchema.check(z.url());
+        } else if (format === "uuid" || format === "guid") {
+          stringSchema = stringSchema.check(z.uuid());
+        } else if (format === "date-time") {
+          stringSchema = stringSchema.check(z.iso.datetime());
+        } else if (format === "date") {
+          stringSchema = stringSchema.check(z.iso.date());
+        } else if (format === "time") {
+          stringSchema = stringSchema.check(z.iso.time());
+        } else if (format === "duration") {
+          stringSchema = stringSchema.check(z.iso.duration());
+        } else if (format === "ipv4") {
+          stringSchema = stringSchema.check(z.ipv4());
+        } else if (format === "ipv6") {
+          stringSchema = stringSchema.check(z.ipv6());
+        } else if (format === "mac") {
+          stringSchema = stringSchema.check(z.mac());
+        } else if (format === "cidr") {
+          stringSchema = stringSchema.check(z.cidrv4());
+        } else if (format === "cidr-v6") {
+          stringSchema = stringSchema.check(z.cidrv6());
+        } else if (format === "base64") {
+          stringSchema = stringSchema.check(z.base64());
+        } else if (format === "base64url") {
+          stringSchema = stringSchema.check(z.base64url());
+        } else if (format === "e164") {
+          stringSchema = stringSchema.check(z.e164());
+        } else if (format === "jwt") {
+          stringSchema = stringSchema.check(z.jwt());
+        } else if (format === "emoji") {
+          stringSchema = stringSchema.check(z.emoji());
+        } else if (format === "nanoid") {
+          stringSchema = stringSchema.check(z.nanoid());
+        } else if (format === "cuid") {
+          stringSchema = stringSchema.check(z.cuid());
+        } else if (format === "cuid2") {
+          stringSchema = stringSchema.check(z.cuid2());
+        } else if (format === "ulid") {
+          stringSchema = stringSchema.check(z.ulid());
+        } else if (format === "xid") {
+          stringSchema = stringSchema.check(z.xid());
+        } else if (format === "ksuid") {
+          stringSchema = stringSchema.check(z.ksuid());
+        }
+        // Note: json-string format is not currently supported by Zod
+        // Custom formats are ignored - keep as plain string
+      }
+
+      // Apply constraints
+      if (typeof schema.minLength === "number") {
+        stringSchema = stringSchema.min(schema.minLength);
+      }
+      if (typeof schema.maxLength === "number") {
+        stringSchema = stringSchema.max(schema.maxLength);
+      }
+      if (schema.pattern) {
+        // JSON Schema patterns are not implicitly anchored (match anywhere in string)
+        stringSchema = stringSchema.regex(new RegExp(schema.pattern));
+      }
+
+      zodSchema = stringSchema;
+      break;
+    }
+
+    case "number":
+    case "integer": {
+      let numberSchema: ZodNumber = type === "integer" ? z.number().int() : z.number();
+
+      // Apply constraints
+      if (typeof schema.minimum === "number") {
+        numberSchema = numberSchema.min(schema.minimum);
+      }
+      if (typeof schema.maximum === "number") {
+        numberSchema = numberSchema.max(schema.maximum);
+      }
+      if (typeof schema.exclusiveMinimum === "number") {
+        numberSchema = numberSchema.gt(schema.exclusiveMinimum);
+      } else if (schema.exclusiveMinimum === true && typeof schema.minimum === "number") {
+        numberSchema = numberSchema.gt(schema.minimum);
+      }
+      if (typeof schema.exclusiveMaximum === "number") {
+        numberSchema = numberSchema.lt(schema.exclusiveMaximum);
+      } else if (schema.exclusiveMaximum === true && typeof schema.maximum === "number") {
+        numberSchema = numberSchema.lt(schema.maximum);
+      }
+      if (typeof schema.multipleOf === "number") {
+        numberSchema = numberSchema.multipleOf(schema.multipleOf);
+      }
+
+      zodSchema = numberSchema;
+      break;
+    }
+
+    case "boolean": {
+      zodSchema = z.boolean();
+      break;
+    }
+
+    case "null": {
+      zodSchema = z.null();
+      break;
+    }
+
+    case "object": {
+      const shape: Record<string, ZodType> = {};
+      const properties = schema.properties || {};
+      const requiredSet = new Set(schema.required || []);
+
+      // Convert properties - mark optional ones
+      for (const [key, propSchema] of Object.entries(properties)) {
+        const propZodSchema = convertSchema(propSchema as JSONSchema.JSONSchema, ctx);
+        // If not in required array, make it optional
+        shape[key] = requiredSet.has(key) ? propZodSchema : propZodSchema.optional();
+      }
+
+      // Handle propertyNames
+      if (schema.propertyNames) {
+        const keySchema = convertSchema(schema.propertyNames, ctx) as ZodString;
+        const valueSchema =
+          schema.additionalProperties && typeof schema.additionalProperties === "object"
+            ? convertSchema(schema.additionalProperties as JSONSchema.JSONSchema, ctx)
+            : z.any();
+
+        // Case A: No properties (pure record)
+        if (Object.keys(shape).length === 0) {
+          zodSchema = z.record(keySchema, valueSchema);
+          break;
+        }
+
+        // Case B: With properties (intersection of object and looseRecord)
+        const objectSchema = z.object(shape).passthrough();
+        const recordSchema = z.looseRecord(keySchema, valueSchema);
+        zodSchema = z.intersection(objectSchema, recordSchema);
+        break;
+      }
+
+      // Handle patternProperties
+      if (schema.patternProperties) {
+        // patternProperties: keys matching pattern must satisfy corresponding schema
+        // Use loose records so non-matching keys pass through
+        const patternProps = schema.patternProperties;
+        const patternKeys = Object.keys(patternProps);
+        const looseRecords: ZodType[] = [];
+
+        for (const pattern of patternKeys) {
+          const patternValue = convertSchema(patternProps[pattern] as JSONSchema.JSONSchema, ctx);
+          const keySchema = z.string().regex(new RegExp(pattern));
+          looseRecords.push(z.looseRecord(keySchema, patternValue));
+        }
+
+        // Build intersection: object schema + all pattern property records
+        const schemasToIntersect: ZodType[] = [];
+        if (Object.keys(shape).length > 0) {
+          // Use passthrough so patternProperties can validate additional keys
+          schemasToIntersect.push(z.object(shape).passthrough());
+        }
+        schemasToIntersect.push(...looseRecords);
+
+        if (schemasToIntersect.length === 0) {
+          zodSchema = z.object({}).passthrough();
+        } else if (schemasToIntersect.length === 1) {
+          zodSchema = schemasToIntersect[0]!;
+        } else {
+          // Chain intersections: (A & B) & C & D ...
+          let result = z.intersection(schemasToIntersect[0]!, schemasToIntersect[1]!);
+          for (let i = 2; i < schemasToIntersect.length; i++) {
+            result = z.intersection(result, schemasToIntersect[i]!);
+          }
+          zodSchema = result;
+        }
+        break;
+      }
+
+      // Handle additionalProperties
+      // In JSON Schema, additionalProperties defaults to true (allow any extra properties)
+      // In Zod, objects strip unknown keys by default, so we need to handle this explicitly
+      const objectSchema = z.object(shape);
+      if (schema.additionalProperties === false) {
+        // Strict mode - no extra properties allowed
+        zodSchema = objectSchema.strict();
+      } else if (typeof schema.additionalProperties === "object") {
+        // Extra properties must match the specified schema
+        zodSchema = objectSchema.catchall(convertSchema(schema.additionalProperties as JSONSchema.JSONSchema, ctx));
+      } else {
+        // additionalProperties is true or undefined - allow any extra properties (passthrough)
+        zodSchema = objectSchema.passthrough();
+      }
+      break;
+    }
+
+    case "array": {
+      // TODO: uniqueItems is not supported
+      // TODO: contains/minContains/maxContains are not supported
+      // Check if this is a tuple (prefixItems or items as array)
+      const prefixItems = schema.prefixItems;
+      const items = schema.items;
+
+      if (prefixItems && Array.isArray(prefixItems)) {
+        // Tuple with prefixItems (draft-2020-12)
+        const tupleItems = prefixItems.map((item) => convertSchema(item as JSONSchema.JSONSchema, ctx));
+        const rest =
+          items && typeof items === "object" && !Array.isArray(items)
+            ? convertSchema(items as JSONSchema.JSONSchema, ctx)
+            : undefined;
+        if (rest) {
+          zodSchema = z.tuple(tupleItems as [ZodType, ...ZodType[]]).rest(rest);
+        } else {
+          zodSchema = z.tuple(tupleItems as [ZodType, ...ZodType[]]);
+        }
+        // Apply minItems/maxItems constraints to tuples
+        if (typeof schema.minItems === "number") {
+          zodSchema = (zodSchema as any).check(z.minLength(schema.minItems));
+        }
+        if (typeof schema.maxItems === "number") {
+          zodSchema = (zodSchema as any).check(z.maxLength(schema.maxItems));
+        }
+      } else if (Array.isArray(items)) {
+        // Tuple with items array (draft-7)
+        const tupleItems = items.map((item) => convertSchema(item as JSONSchema.JSONSchema, ctx));
+        const rest =
+          schema.additionalItems && typeof schema.additionalItems === "object"
+            ? convertSchema(schema.additionalItems as JSONSchema.JSONSchema, ctx)
+            : undefined; // additionalItems: false means no rest, handled by default tuple behavior
+        if (rest) {
+          zodSchema = z.tuple(tupleItems as [ZodType, ...ZodType[]]).rest(rest);
+        } else {
+          zodSchema = z.tuple(tupleItems as [ZodType, ...ZodType[]]);
+        }
+        // Apply minItems/maxItems constraints to tuples
+        if (typeof schema.minItems === "number") {
+          zodSchema = (zodSchema as any).check(z.minLength(schema.minItems));
+        }
+        if (typeof schema.maxItems === "number") {
+          zodSchema = (zodSchema as any).check(z.maxLength(schema.maxItems));
+        }
+      } else if (items !== undefined) {
+        // Regular array
+        const element = convertSchema(items as JSONSchema.JSONSchema, ctx);
+        let arraySchema = z.array(element);
+
+        // Apply constraints
+        if (typeof schema.minItems === "number") {
+          arraySchema = (arraySchema as any).min(schema.minItems);
+        }
+        if (typeof schema.maxItems === "number") {
+          arraySchema = (arraySchema as any).max(schema.maxItems);
+        }
+
+        zodSchema = arraySchema;
+      } else {
+        // No items specified - array of any
+        zodSchema = z.array(z.any());
+      }
+      break;
+    }
+
+    default:
+      throw new Error(`Unsupported type: ${type}`);
+  }
+
+  // Apply metadata
+  if (schema.description) {
+    zodSchema = zodSchema.describe(schema.description);
+  }
+  if (schema.default !== undefined) {
+    zodSchema = (zodSchema as any).default(schema.default);
+  }
+
+  return zodSchema;
+}
+
+function convertSchema(schema: JSONSchema.JSONSchema | boolean, ctx: ConversionContext): ZodType {
+  if (typeof schema === "boolean") {
+    return schema ? z.any() : z.never();
+  }
+
+  // Convert base schema first (ignoring composition keywords)
+  let baseSchema = convertBaseSchema(schema, ctx);
+  const hasExplicitType = schema.type || schema.enum !== undefined || schema.const !== undefined;
+
+  // Process composition keywords LAST (they can appear together)
+  // Handle anyOf - wrap base schema with union
+  if (schema.anyOf && Array.isArray(schema.anyOf)) {
+    const options = schema.anyOf.map((s) => convertSchema(s, ctx));
+    const anyOfUnion = z.union(options as [ZodType, ZodType, ...ZodType[]]);
+    baseSchema = hasExplicitType ? z.intersection(baseSchema, anyOfUnion) : anyOfUnion;
+  }
+
+  // Handle oneOf - exclusive union (exactly one must match)
+  if (schema.oneOf && Array.isArray(schema.oneOf)) {
+    const options = schema.oneOf.map((s) => convertSchema(s, ctx));
+    const oneOfUnion = z.xor(options as [ZodType, ZodType, ...ZodType[]]);
+    baseSchema = hasExplicitType ? z.intersection(baseSchema, oneOfUnion) : oneOfUnion;
+  }
+
+  // Handle allOf - wrap base schema with intersection
+  if (schema.allOf && Array.isArray(schema.allOf)) {
+    if (schema.allOf.length === 0) {
+      baseSchema = hasExplicitType ? baseSchema : z.any();
+    } else {
+      let result = hasExplicitType ? baseSchema : convertSchema(schema.allOf[0]!, ctx);
+      const startIdx = hasExplicitType ? 0 : 1;
+      for (let i = startIdx; i < schema.allOf.length; i++) {
+        result = z.intersection(result, convertSchema(schema.allOf[i]!, ctx));
+      }
+      baseSchema = result;
+    }
+  }
+
+  // Handle nullable (OpenAPI 3.0)
+  if (schema.nullable === true && ctx.version === "openapi-3.0") {
+    baseSchema = z.nullable(baseSchema);
+  }
+
+  // Handle readOnly
+  if (schema.readOnly === true) {
+    baseSchema = z.readonly(baseSchema);
+  }
+
+  // Collect metadata: core schema keywords and unrecognized keys
+  const extraMeta: Record<string, unknown> = {};
+
+  // Core schema keywords that should be captured as metadata
+  const coreMetadataKeys = ["$id", "id", "$comment", "$anchor", "$vocabulary", "$dynamicRef", "$dynamicAnchor"];
+  for (const key of coreMetadataKeys) {
+    if (key in schema) {
+      extraMeta[key] = schema[key];
+    }
+  }
+
+  // Content keywords - store as metadata
+  const contentMetadataKeys = ["contentEncoding", "contentMediaType", "contentSchema"];
+  for (const key of contentMetadataKeys) {
+    if (key in schema) {
+      extraMeta[key] = schema[key];
+    }
+  }
+
+  // Unrecognized keys (custom metadata)
+  for (const key of Object.keys(schema)) {
+    if (!RECOGNIZED_KEYS.has(key)) {
+      extraMeta[key] = schema[key];
+    }
+  }
+
+  if (Object.keys(extraMeta).length > 0) {
+    ctx.registry.add(baseSchema, extraMeta);
+  }
+
+  return baseSchema;
+}
+
+/**
+ * Converts a JSON Schema to a Zod schema. This function should be considered semi-experimental. It's behavior is liable to change. */
+export function fromJSONSchema(schema: JSONSchema.JSONSchema | boolean, params?: FromJSONSchemaParams): ZodType {
+  // Handle boolean schemas
+  if (typeof schema === "boolean") {
+    return schema ? z.any() : z.never();
+  }
+
+  const version = detectVersion(schema, params?.defaultTarget);
+  const defs = (schema.$defs || schema.definitions || {}) as Record<string, JSONSchema.JSONSchema>;
+
+  const ctx: ConversionContext = {
+    version,
+    defs,
+    refs: new Map(),
+    processing: new Set(),
+    rootSchema: schema,
+    registry: params?.registry ?? globalRegistry,
+  };
+
+  return convertSchema(schema, ctx);
+}

mcp-server-ssh/node_modules/zod/src/v4/classic/index.ts

@@ -0,0 +1,5 @@
+import * as z from "./external.js";
+
+export { z };
+export * from "./external.js";
+export default z;

mcp-server-ssh/node_modules/zod/src/v4/classic/iso.ts

@@ -0,0 +1,90 @@
+import * as core from "../core/index.js";
+import * as schemas from "./schemas.js";
+
+//////////////////////////////////////////////
+//////////////////////////////////////////////
+//////////                          //////////
+//////////      ZodISODateTime      //////////
+//////////                          //////////
+//////////////////////////////////////////////
+//////////////////////////////////////////////
+
+export interface ZodISODateTime extends schemas.ZodStringFormat {
+  _zod: core.$ZodISODateTimeInternals;
+}
+export const ZodISODateTime: core.$constructor<ZodISODateTime> = /*@__PURE__*/ core.$constructor(
+  "ZodISODateTime",
+  (inst, def) => {
+    core.$ZodISODateTime.init(inst, def);
+    schemas.ZodStringFormat.init(inst, def);
+  }
+);
+
+export function datetime(params?: string | core.$ZodISODateTimeParams): ZodISODateTime {
+  return core._isoDateTime(ZodISODateTime, params);
+}
+
+//////////////////////////////////////////
+//////////////////////////////////////////
+//////////                      //////////
+//////////      ZodISODate      //////////
+//////////                      //////////
+//////////////////////////////////////////
+//////////////////////////////////////////
+
+export interface ZodISODate extends schemas.ZodStringFormat {
+  _zod: core.$ZodISODateInternals;
+}
+export const ZodISODate: core.$constructor<ZodISODate> = /*@__PURE__*/ core.$constructor("ZodISODate", (inst, def) => {
+  core.$ZodISODate.init(inst, def);
+  schemas.ZodStringFormat.init(inst, def);
+});
+
+export function date(params?: string | core.$ZodISODateParams): ZodISODate {
+  return core._isoDate(ZodISODate, params);
+}
+
+// ZodISOTime
+
+//////////////////////////////////////////
+//////////////////////////////////////////
+//////////                      //////////
+//////////      ZodISOTime      //////////
+//////////                      //////////
+//////////////////////////////////////////
+//////////////////////////////////////////
+
+export interface ZodISOTime extends schemas.ZodStringFormat {
+  _zod: core.$ZodISOTimeInternals;
+}
+export const ZodISOTime: core.$constructor<ZodISOTime> = /*@__PURE__*/ core.$constructor("ZodISOTime", (inst, def) => {
+  core.$ZodISOTime.init(inst, def);
+  schemas.ZodStringFormat.init(inst, def);
+});
+
+export function time(params?: string | core.$ZodISOTimeParams): ZodISOTime {
+  return core._isoTime(ZodISOTime, params);
+}
+
+//////////////////////////////////////////////
+//////////////////////////////////////////////
+//////////                          //////////
+//////////      ZodISODuration      //////////
+//////////                          //////////
+//////////////////////////////////////////////
+//////////////////////////////////////////////
+
+export interface ZodISODuration extends schemas.ZodStringFormat {
+  _zod: core.$ZodISODurationInternals;
+}
+export const ZodISODuration: core.$constructor<ZodISODuration> = /*@__PURE__*/ core.$constructor(
+  "ZodISODuration",
+  (inst, def) => {
+    core.$ZodISODuration.init(inst, def);
+    schemas.ZodStringFormat.init(inst, def);
+  }
+);
+
+export function duration(params?: string | core.$ZodISODurationParams): ZodISODuration {
+  return core._isoDuration(ZodISODuration, params);
+}

mcp-server-ssh/node_modules/zod/src/v4/classic/parse.ts

@@ -0,0 +1,82 @@
+import * as core from "../core/index.js";
+import { type ZodError, ZodRealError } from "./errors.js";
+
+export type ZodSafeParseResult<T> = ZodSafeParseSuccess<T> | ZodSafeParseError<T>;
+export type ZodSafeParseSuccess<T> = { success: true; data: T; error?: never };
+export type ZodSafeParseError<T> = { success: false; data?: never; error: ZodError<T> };
+
+export const parse: <T extends core.$ZodType>(
+  schema: T,
+  value: unknown,
+  _ctx?: core.ParseContext<core.$ZodIssue>,
+  _params?: { callee?: core.util.AnyFunc; Err?: core.$ZodErrorClass }
+) => core.output<T> = /* @__PURE__ */ core._parse(ZodRealError) as any;
+
+export const parseAsync: <T extends core.$ZodType>(
+  schema: T,
+  value: unknown,
+  _ctx?: core.ParseContext<core.$ZodIssue>,
+  _params?: { callee?: core.util.AnyFunc; Err?: core.$ZodErrorClass }
+) => Promise<core.output<T>> = /* @__PURE__ */ core._parseAsync(ZodRealError) as any;
+
+export const safeParse: <T extends core.$ZodType>(
+  schema: T,
+  value: unknown,
+  _ctx?: core.ParseContext<core.$ZodIssue>
+  // _params?: { callee?: core.util.AnyFunc; Err?: core.$ZodErrorClass }
+) => ZodSafeParseResult<core.output<T>> = /* @__PURE__ */ core._safeParse(ZodRealError) as any;
+
+export const safeParseAsync: <T extends core.$ZodType>(
+  schema: T,
+  value: unknown,
+  _ctx?: core.ParseContext<core.$ZodIssue>
+) => Promise<ZodSafeParseResult<core.output<T>>> = /* @__PURE__ */ core._safeParseAsync(ZodRealError) as any;
+
+// Codec functions
+export const encode: <T extends core.$ZodType>(
+  schema: T,
+  value: core.output<T>,
+  _ctx?: core.ParseContext<core.$ZodIssue>
+) => core.input<T> = /* @__PURE__ */ core._encode(ZodRealError) as any;
+
+export const decode: <T extends core.$ZodType>(
+  schema: T,
+  value: core.input<T>,
+  _ctx?: core.ParseContext<core.$ZodIssue>
+) => core.output<T> = /* @__PURE__ */ core._decode(ZodRealError) as any;
+
+export const encodeAsync: <T extends core.$ZodType>(
+  schema: T,
+  value: core.output<T>,
+  _ctx?: core.ParseContext<core.$ZodIssue>
+) => Promise<core.input<T>> = /* @__PURE__ */ core._encodeAsync(ZodRealError) as any;
+
+export const decodeAsync: <T extends core.$ZodType>(
+  schema: T,
+  value: core.input<T>,
+  _ctx?: core.ParseContext<core.$ZodIssue>
+) => Promise<core.output<T>> = /* @__PURE__ */ core._decodeAsync(ZodRealError) as any;
+
+export const safeEncode: <T extends core.$ZodType>(
+  schema: T,
+  value: core.output<T>,
+  _ctx?: core.ParseContext<core.$ZodIssue>
+) => ZodSafeParseResult<core.input<T>> = /* @__PURE__ */ core._safeEncode(ZodRealError) as any;
+
+export const safeDecode: <T extends core.$ZodType>(
+  schema: T,
+  value: core.input<T>,
+  _ctx?: core.ParseContext<core.$ZodIssue>
+) => ZodSafeParseResult<core.output<T>> = /* @__PURE__ */ core._safeDecode(ZodRealError) as any;
+
+export const safeEncodeAsync: <T extends core.$ZodType>(
+  schema: T,
+  value: core.output<T>,
+  _ctx?: core.ParseContext<core.$ZodIssue>
+) => Promise<ZodSafeParseResult<core.input<T>>> = /* @__PURE__ */ core._safeEncodeAsync(ZodRealError) as any;
+
+export const safeDecodeAsync: <T extends core.$ZodType>(
+  schema: T,
+  value: core.input<T>,
+  _ctx?: core.ParseContext<core.$ZodIssue>
+) => Promise<ZodSafeParseResult<core.output<T>>> = /* @__PURE__ */ core._safeDecodeAsync(ZodRealError) as any;

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/anyunknown.test.ts

@@ -0,0 +1,26 @@
+import { expect, expectTypeOf, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("check any inference", () => {
+  const t1 = z.any();
+  t1.optional();
+  t1.nullable();
+  type t1 = z.infer<typeof t1>;
+  expectTypeOf<t1>().toEqualTypeOf<any>();
+});
+
+test("check unknown inference", () => {
+  const t1 = z.unknown();
+  t1.optional();
+  t1.nullable();
+  type t1 = z.infer<typeof t1>;
+  expectTypeOf<t1>().toEqualTypeOf<unknown>();
+});
+
+test("check never inference", () => {
+  const t1 = z.never();
+  expect(() => t1.parse(undefined)).toThrow();
+  expect(() => t1.parse("asdf")).toThrow();
+  expect(() => t1.parse(null)).toThrow();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/apply.test.ts

@@ -0,0 +1,59 @@
+import { expect, expectTypeOf, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("basic apply (object)", () => {
+  const schema = z
+    .object({
+      a: z.number(),
+      b: z.string(),
+    })
+    .apply((s) => s.omit({ b: true }))
+    .apply((s) => s.extend({ c: z.boolean() }));
+
+  expect(z.toJSONSchema(schema)).toMatchInlineSnapshot(`
+    {
+      "$schema": "https://json-schema.org/draft/2020-12/schema",
+      "additionalProperties": false,
+      "properties": {
+        "a": {
+          "type": "number",
+        },
+        "c": {
+          "type": "boolean",
+        },
+      },
+      "required": [
+        "a",
+        "c",
+      ],
+      "type": "object",
+    }
+  `);
+  expectTypeOf<z.infer<typeof schema>>().toEqualTypeOf<{
+    a: number;
+    c: boolean;
+  }>();
+});
+
+test("basic apply (number)", () => {
+  const setCommonNumberChecks = <T extends z.ZodNumber>(schema: T) => {
+    return schema.min(0).max(100);
+  };
+
+  const schema = z.number().apply(setCommonNumberChecks).nullable();
+
+  expect(() => schema.parse(-1)).toThrowError();
+  expect(() => schema.parse(101)).toThrowError();
+  expect(schema.parse(0)).toBe(0);
+  expect(schema.parse(null)).toBe(null);
+  expectTypeOf<z.infer<typeof schema>>().toEqualTypeOf<number | null>();
+});
+
+test("The callback's return value becomes the apply's return value.", () => {
+  const symbol = Symbol();
+  const result = z.number().apply(() => symbol);
+
+  expect(result).toBe(symbol);
+  expectTypeOf<typeof result>().toEqualTypeOf<symbol>();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/array.test.ts

@@ -0,0 +1,264 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+test("type inference", () => {
+  const schema = z.string().array();
+  expectTypeOf<z.infer<typeof schema>>().toEqualTypeOf<string[]>();
+});
+
+test("array min/max", () => {
+  const schema = z.array(z.string()).min(2).max(2);
+  const r1 = schema.safeParse(["asdf"]);
+  expect(r1.success).toEqual(false);
+  expect(r1.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_small",
+        "inclusive": true,
+        "message": "Too small: expected array to have >=2 items",
+        "minimum": 2,
+        "origin": "array",
+        "path": [],
+      },
+    ]
+  `);
+
+  const r2 = schema.safeParse(["asdf", "asdf", "asdf"]);
+  expect(r2.success).toEqual(false);
+  expect(r2.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_big",
+        "inclusive": true,
+        "maximum": 2,
+        "message": "Too big: expected array to have <=2 items",
+        "origin": "array",
+        "path": [],
+      },
+    ]
+  `);
+});
+
+test("array length", () => {
+  const schema = z.array(z.string()).length(2);
+  schema.parse(["asdf", "asdf"]);
+
+  const r1 = schema.safeParse(["asdf"]);
+  expect(r1.success).toEqual(false);
+  expect(r1.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_small",
+        "exact": true,
+        "inclusive": true,
+        "message": "Too small: expected array to have >=2 items",
+        "minimum": 2,
+        "origin": "array",
+        "path": [],
+      },
+    ]
+  `);
+
+  const r2 = schema.safeParse(["asdf", "asdf", "asdf"]);
+  expect(r2.success).toEqual(false);
+  expect(r2.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_big",
+        "exact": true,
+        "inclusive": true,
+        "maximum": 2,
+        "message": "Too big: expected array to have <=2 items",
+        "origin": "array",
+        "path": [],
+      },
+    ]
+  `);
+});
+
+test("array.nonempty()", () => {
+  const schema = z.string().array().nonempty();
+  schema.parse(["a"]);
+  expect(() => schema.parse([])).toThrow();
+});
+
+test("array.nonempty().max()", () => {
+  const schema = z.string().array().nonempty().max(2);
+  schema.parse(["a"]);
+  expect(() => schema.parse([])).toThrow();
+  expect(() => schema.parse(["a", "a", "a"])).toThrow();
+});
+
+test("parse empty array in nonempty", () => {
+  expect(() =>
+    z
+      .array(z.string())
+      .nonempty()
+      .parse([] as any)
+  ).toThrow();
+});
+
+test("get element", () => {
+  const schema = z.string().array();
+  schema.element.parse("asdf");
+  expect(() => schema.element.parse(12)).toThrow();
+});
+
+test("continue parsing despite array size error", () => {
+  const schema = z.object({
+    people: z.string().array().min(2),
+  });
+
+  const result = schema.safeParse({
+    people: [123],
+  });
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "people",
+          0
+        ],
+        "message": "Invalid input: expected string, received number"
+      },
+      {
+        "origin": "array",
+        "code": "too_small",
+        "minimum": 2,
+        "inclusive": true,
+        "path": [
+          "people"
+        ],
+        "message": "Too small: expected array to have >=2 items"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("parse should fail given sparse array", () => {
+  const schema = z.array(z.string()).nonempty().min(1).max(3);
+  const result = schema.safeParse(new Array(3));
+  expect(result.success).toEqual(false);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          0
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      },
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          1
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      },
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          2
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+// const unique = z.string().array().unique();
+// const uniqueArrayOfObjects = z.array(z.object({ name: z.string() })).unique({ identifier: (item) => item.name });
+
+// test("passing unique validation", () => {
+//   unique.parse(["a", "b", "c"]);
+//   uniqueArrayOfObjects.parse([{ name: "Leo" }, { name: "Joe" }]);
+// });
+
+// test("failing unique validation", () => {
+//   expect(() => unique.parse(["a", "a", "b"])).toThrow();
+//   expect(() => uniqueArrayOfObjects.parse([{ name: "Leo" }, { name: "Leo" }])).toThrow();
+// });
+
+// test("continue parsing despite array of primitives uniqueness error", () => {
+//   const schema = z.number().array().unique();
+
+//   const result = schema.safeParse([1, 1, 2, 2, 3]);
+
+//   expect(result.success).toEqual(false);
+//   if (!result.success) {
+//     const issue = result.error.issues.find(({ code }) => code === "not_unique");
+//     expect(issue?.message).toEqual("Values must be unique");
+//   }
+// });
+
+// test("continue parsing despite array of objects not_unique error", () => {
+//   const schema = z.array(z.object({ name: z.string() })).unique({
+//     identifier: (item) => item.name,
+//     showDuplicates: true,
+//   });
+
+//   const result = schema.safeParse([
+//     { name: "Leo" },
+//     { name: "Joe" },
+//     { name: "Leo" },
+//   ]);
+
+//   expect(result.success).toEqual(false);
+//   if (!result.success) {
+//     const issue = result.error.issues.find(({ code }) => code === "not_unique");
+//     expect(issue?.message).toEqual("Element(s): 'Leo' not unique");
+//   }
+// });
+
+// test("returns custom error message without duplicate elements", () => {
+//   const schema = z.number().array().unique({ message: "Custom message" });
+
+//   const result = schema.safeParse([1, 1, 2, 2, 3]);
+
+//   expect(result.success).toEqual(false);
+//   if (!result.success) {
+//     const issue = result.error.issues.find(({ code }) => code === "not_unique");
+//     expect(issue?.message).toEqual("Custom message");
+//   }
+// });
+
+// test("returns error message with duplicate elements", () => {
+//   const schema = z.number().array().unique({ showDuplicates: true });
+
+//   const result = schema.safeParse([1, 1, 2, 2, 3]);
+
+//   expect(result.success).toEqual(false);
+//   if (!result.success) {
+//     const issue = result.error.issues.find(({ code }) => code === "not_unique");
+//     expect(issue?.message).toEqual("Element(s): '1,2' not unique");
+//   }
+// });
+
+// test("returns custom error message with duplicate elements", () => {
+//   const schema = z
+//     .number()
+//     .array()
+//     .unique({
+//       message: (item) => `Custom message: '${item}' are not unique`,
+//       showDuplicates: true,
+//     });
+
+//   const result = schema.safeParse([1, 1, 2, 2, 3]);
+
+//   expect(result.success).toEqual(false);
+//   if (!result.success) {
+//     const issue = result.error.issues.find(({ code }) => code === "not_unique");
+//     expect(issue?.message).toEqual("Custom message: '1,2' are not unique");
+//   }
+// });

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/assignability.test.ts

@@ -0,0 +1,210 @@
+import { expectTypeOf, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("assignability", () => {
+  // $ZodString
+  z.string() satisfies z.core.$ZodString;
+  z.string() satisfies z.ZodString;
+
+  // $ZodNumber
+  z.number() satisfies z.core.$ZodNumber;
+  z.number() satisfies z.ZodNumber;
+
+  // $ZodBigInt
+  z.bigint() satisfies z.core.$ZodBigInt;
+  z.bigint() satisfies z.ZodBigInt;
+
+  // $ZodBoolean
+  z.boolean() satisfies z.core.$ZodBoolean;
+  z.boolean() satisfies z.ZodBoolean;
+
+  // $ZodDate
+  z.date() satisfies z.core.$ZodDate;
+  z.date() satisfies z.ZodDate;
+
+  // $ZodSymbol
+  z.symbol() satisfies z.core.$ZodSymbol;
+  z.symbol() satisfies z.ZodSymbol;
+
+  // $ZodUndefined
+  z.undefined() satisfies z.core.$ZodUndefined;
+  z.undefined() satisfies z.ZodUndefined;
+
+  // $ZodNullable
+  z.string().nullable() satisfies z.core.$ZodNullable;
+  z.string().nullable() satisfies z.ZodNullable;
+
+  // $ZodNull
+  z.null() satisfies z.core.$ZodNull;
+  z.null() satisfies z.ZodNull;
+
+  // $ZodAny
+  z.any() satisfies z.core.$ZodAny;
+  z.any() satisfies z.ZodAny;
+
+  // $ZodUnknown
+  z.unknown() satisfies z.core.$ZodUnknown;
+  z.unknown() satisfies z.ZodUnknown;
+
+  // $ZodNever
+  z.never() satisfies z.core.$ZodNever;
+  z.never() satisfies z.ZodNever;
+
+  // $ZodVoid
+  z.void() satisfies z.core.$ZodVoid;
+  z.void() satisfies z.ZodVoid;
+
+  // $ZodArray
+  z.array(z.string()) satisfies z.core.$ZodArray;
+  z.array(z.string()) satisfies z.ZodArray;
+  z.array(z.string()) satisfies z.ZodType<Array<unknown>>;
+
+  // $ZodObject
+  z.object({ key: z.string() }) satisfies z.core.$ZodObject;
+  z.object({ key: z.string() }) satisfies z.ZodObject<{ key: z.ZodType }>;
+  z.object({ key: z.string() }) satisfies z.ZodType<{ key: string }>;
+
+  // $ZodUnion
+  z.union([z.string(), z.number()]) satisfies z.core.$ZodUnion;
+  z.union([z.string(), z.number()]) satisfies z.ZodUnion;
+  z.union([z.string(), z.number()]) satisfies z.ZodType<string | number>;
+
+  // $ZodIntersection
+  z.intersection(z.string(), z.number()) satisfies z.core.$ZodIntersection;
+  z.intersection(z.string(), z.number()) satisfies z.ZodIntersection;
+
+  // $ZodTuple
+  z.tuple([z.string(), z.number()]) satisfies z.core.$ZodTuple;
+  z.tuple([z.string(), z.number()]) satisfies z.ZodTuple;
+
+  // $ZodRecord
+  z.record(z.string(), z.number()) satisfies z.core.$ZodRecord;
+  z.record(z.string(), z.number()) satisfies z.ZodRecord;
+
+  // $ZodMap
+  z.map(z.string(), z.number()) satisfies z.core.$ZodMap;
+  z.map(z.string(), z.number()) satisfies z.ZodMap;
+
+  // $ZodSet
+  z.set(z.string()) satisfies z.core.$ZodSet;
+  z.set(z.string()) satisfies z.ZodSet;
+
+  // $ZodLiteral
+  z.literal("example") satisfies z.core.$ZodLiteral;
+  z.literal("example") satisfies z.ZodLiteral;
+
+  // $ZodEnum
+  z.enum(["a", "b", "c"]) satisfies z.core.$ZodEnum;
+  z.enum(["a", "b", "c"]) satisfies z.ZodEnum;
+
+  // $ZodPromise
+  z.promise(z.string()) satisfies z.core.$ZodPromise;
+  z.promise(z.string()) satisfies z.ZodPromise;
+
+  // $ZodLazy
+  const lazySchema = z.lazy(() => z.string());
+  lazySchema satisfies z.core.$ZodLazy;
+  lazySchema satisfies z.ZodLazy;
+
+  // $ZodOptional
+  z.string().optional() satisfies z.core.$ZodOptional;
+  z.string().optional() satisfies z.ZodOptional;
+
+  // $ZodDefault
+  z.string().default("default") satisfies z.core.$ZodDefault;
+  z.string().default("default") satisfies z.ZodDefault;
+
+  // $ZodTemplateLiteral
+  z.templateLiteral([z.literal("a"), z.literal("b")]) satisfies z.core.$ZodTemplateLiteral;
+  z.templateLiteral([z.literal("a"), z.literal("b")]) satisfies z.ZodTemplateLiteral;
+
+  // $ZodCustom
+  z.custom<string>((val) => typeof val === "string") satisfies z.core.$ZodCustom;
+  z.custom<string>((val) => typeof val === "string") satisfies z.ZodCustom;
+
+  // $ZodTransform
+  z.transform((val) => val as string) satisfies z.core.$ZodTransform;
+  z.transform((val) => val as string) satisfies z.ZodTransform;
+
+  // $ZodNonOptional
+  z.string().optional().nonoptional() satisfies z.core.$ZodNonOptional;
+  z.string().optional().nonoptional() satisfies z.ZodNonOptional;
+
+  // $ZodReadonly
+  z.object({ key: z.string() }).readonly() satisfies z.core.$ZodReadonly;
+  z.object({ key: z.string() }).readonly() satisfies z.ZodReadonly;
+
+  // $ZodNaN
+  z.nan() satisfies z.core.$ZodNaN;
+  z.nan() satisfies z.ZodNaN;
+
+  // $ZodPipe
+  z.unknown().pipe(z.number()) satisfies z.core.$ZodPipe;
+  z.unknown().pipe(z.number()) satisfies z.ZodPipe;
+
+  // $ZodSuccess
+  z.success(z.string()) satisfies z.core.$ZodSuccess;
+  z.success(z.string()) satisfies z.ZodSuccess;
+
+  // $ZodCatch
+  z.string().catch("fallback") satisfies z.core.$ZodCatch;
+  z.string().catch("fallback") satisfies z.ZodCatch;
+
+  // $ZodFile
+  z.file() satisfies z.core.$ZodFile;
+  z.file() satisfies z.ZodFile;
+});
+
+test("checks", () => {
+  const _a: z.core.$ZodCheck = {} as any as z.core.$ZodChecks;
+  const _b: z.core.$ZodCheck = {} as any as z.core.$ZodStringFormatChecks;
+  const _c: z.core.$ZodType = {} as any as z.core.$ZodTypes;
+  const _d: z.core.$ZodType = {} as any as z.core.$ZodStringFormatTypes;
+});
+
+test("assignability to $ZodType", () => {
+  z.string() satisfies z.ZodType;
+  z.number() satisfies z.ZodType;
+  z.boolean() satisfies z.ZodType;
+  z.object({ key: z.string() }) satisfies z.ZodType;
+  z.object({ key: z.string() }) satisfies z.ZodType<{ key: string }>;
+  z.array(z.string()) satisfies z.ZodType;
+  z.union([z.string(), z.number()]) satisfies z.ZodType;
+  z.intersection(z.string(), z.number()) satisfies z.ZodType;
+  z.tuple([z.string(), z.number()]) satisfies z.ZodType;
+  z.record(z.string(), z.number()) satisfies z.ZodType;
+  z.map(z.string(), z.number()) satisfies z.ZodType;
+  z.set(z.string()) satisfies z.ZodType;
+  z.literal("example") satisfies z.ZodType;
+
+  expectTypeOf<z.ZodType extends z.core.$ZodType ? true : false>().toEqualTypeOf<true>();
+});
+
+test("assignability with narrowing", () => {
+  type _RefinedSchema<T extends z.ZodType<object> | z.ZodUnion> = T extends z.ZodUnion
+    ? RefinedUnionSchema<T> // <-- Type instantiation is excessively deep and possibly infinite.
+    : T extends z.ZodType<object>
+      ? RefinedTypeSchema<z.output<T>> // <-- Type instantiation is excessively deep and possibly infinite.
+      : never;
+
+  type RefinedTypeSchema<T extends object> = T;
+
+  type RefinedUnionSchema<T extends z.ZodUnion> = T;
+});
+
+test("generic assignability in objects", () => {
+  interface SortItem<T extends string> {
+    key: T;
+    order: string;
+  }
+
+  const createSortItemSchema = <T extends z.ZodType<string>>(sortKeySchema: T) =>
+    z.object({
+      key: sortKeySchema,
+      order: z.string(),
+    });
+
+  <T extends z.ZodType<string>>(sortKeySchema: T, defaultSortBy: SortItem<z.output<T>>[] = []) =>
+    createSortItemSchema(sortKeySchema).array().default(defaultSortBy);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/async-parsing.test.ts

@@ -0,0 +1,381 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+/// string
+const stringSchema = z.string();
+
+test("string async parse", async () => {
+  const goodData = "XXX";
+  const badData = 12;
+
+  const goodResult = await stringSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await stringSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// number
+const numberSchema = z.number();
+test("number async parse", async () => {
+  const goodData = 1234.2353;
+  const badData = "1234";
+
+  const goodResult = await numberSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await numberSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// bigInt
+const bigIntSchema = z.bigint();
+test("bigInt async parse", async () => {
+  const goodData = BigInt(145);
+  const badData = 134;
+
+  const goodResult = await bigIntSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await bigIntSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// boolean
+const booleanSchema = z.boolean();
+test("boolean async parse", async () => {
+  const goodData = true;
+  const badData = 1;
+
+  const goodResult = await booleanSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await booleanSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// date
+const dateSchema = z.date();
+test("date async parse", async () => {
+  const goodData = new Date();
+  const badData = new Date().toISOString();
+
+  const goodResult = await dateSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await dateSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// undefined
+const undefinedSchema = z.undefined();
+test("undefined async parse", async () => {
+  const goodData = undefined;
+  const badData = "XXX";
+
+  const goodResult = await undefinedSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(undefined);
+
+  const badResult = await undefinedSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// null
+const nullSchema = z.null();
+test("null async parse", async () => {
+  const goodData = null;
+  const badData = undefined;
+
+  const goodResult = await nullSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await nullSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// any
+const anySchema = z.any();
+test("any async parse", async () => {
+  const goodData = [{}];
+  // const badData = 'XXX';
+
+  const goodResult = await anySchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  // const badResult = await anySchema.safeParseAsync(badData);
+  // expect(badResult.success).toBe(false);
+  // if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// unknown
+const unknownSchema = z.unknown();
+test("unknown async parse", async () => {
+  const goodData = ["asdf", 124, () => {}];
+  // const badData = 'XXX';
+
+  const goodResult = await unknownSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  // const badResult = await unknownSchema.safeParseAsync(badData);
+  // expect(badResult.success).toBe(false);
+  // if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// void
+const voidSchema = z.void();
+test("void async parse", async () => {
+  const goodData = undefined;
+  const badData = 0;
+
+  const goodResult = await voidSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await voidSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// array
+const arraySchema = z.array(z.string());
+test("array async parse", async () => {
+  const goodData = ["XXX"];
+  const badData = "XXX";
+
+  const goodResult = await arraySchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await arraySchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// object
+const objectSchema = z.object({ string: z.string() });
+test("object async parse", async () => {
+  const goodData = { string: "XXX" };
+  const badData = { string: 12 };
+
+  const goodResult = await objectSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await objectSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// union
+const unionSchema = z.union([z.string(), z.undefined()]);
+test("union async parse", async () => {
+  const goodData = undefined;
+  const badData = null;
+
+  const goodResult = await unionSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await unionSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// record
+const recordSchema = z.record(z.string(), z.object({}));
+test("record async parse", async () => {
+  const goodData = { adsf: {}, asdf: {} };
+  const badData = [{}];
+
+  const goodResult = await recordSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await recordSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// function
+// const functionSchema = z.function();
+// test("function async parse", async () => {
+//   const goodData = () => {};
+//   const badData = "XXX";
+
+//   const goodResult = await functionSchema.safeParseAsync(goodData);
+//   expect(goodResult.success).toBe(true);
+//   if (goodResult.success) expect(typeof goodResult.data).toEqual("function");
+
+//   const badResult = await functionSchema.safeParseAsync(badData);
+//   expect(badResult.success).toBe(false);
+//   if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+// });
+
+/// literal
+const literalSchema = z.literal("asdf");
+test("literal async parse", async () => {
+  const goodData = "asdf";
+  const badData = "asdff";
+
+  const goodResult = await literalSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await literalSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// enum
+const enumSchema = z.enum(["fish", "whale"]);
+test("enum async parse", async () => {
+  const goodData = "whale";
+  const badData = "leopard";
+
+  const goodResult = await enumSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await enumSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// nativeEnum
+enum nativeEnumTest {
+  asdf = "qwer",
+}
+// @ts-ignore
+const nativeEnumSchema = z.nativeEnum(nativeEnumTest);
+test("nativeEnum async parse", async () => {
+  const goodData = nativeEnumTest.asdf;
+  const badData = "asdf";
+
+  const goodResult = await nativeEnumSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  if (goodResult.success) expect(goodResult.data).toEqual(goodData);
+
+  const badResult = await nativeEnumSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  if (!badResult.success) expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+/// promise
+const promiseSchema = z.promise(z.number());
+test("promise async parse good", async () => {
+  const goodData = Promise.resolve(123);
+
+  const goodResult = await promiseSchema.safeParseAsync(goodData);
+  expect(goodResult.success).toBe(true);
+  expect(typeof goodResult.data).toEqual("number");
+  expect(goodResult.data).toEqual(123);
+});
+
+test("promise async parse bad", async () => {
+  const badData = Promise.resolve("XXX");
+  const badResult = await promiseSchema.safeParseAsync(badData);
+  expect(badResult.success).toBe(false);
+  expect(badResult.error).toBeInstanceOf(z.ZodError);
+});
+
+test("async validation non-empty strings", async () => {
+  const base = z.object({
+    hello: z.string().refine((x) => x && x.length > 0),
+    foo: z.string().refine((x) => x && x.length > 0),
+  });
+
+  const testval = { hello: "", foo: "" };
+  const result1 = base.safeParse(testval);
+  const result2 = base.safeParseAsync(testval);
+
+  const r1 = result1;
+  await result2.then((r2) => {
+    expect(r1.error!.issues.length).toBe(r2.error!.issues.length);
+  });
+});
+
+test("async validation multiple errors 1", async () => {
+  const base = z.object({
+    hello: z.string(),
+    foo: z.number(),
+  });
+
+  const testval = { hello: 3, foo: "hello" };
+  const result1 = base.safeParse(testval);
+  const result2 = base.safeParseAsync(testval);
+
+  await result2.then((result2) => {
+    expect(result2.error!.issues.length).toBe(result1.error!.issues.length);
+  });
+});
+
+test("async validation multiple errors 2", async () => {
+  const base = (is_async?: boolean) =>
+    z.object({
+      hello: z.string(),
+      foo: z.object({
+        bar: z.number().refine(
+          is_async
+            ? async () =>
+                new Promise((resolve) => {
+                  setTimeout(() => resolve(false), 500);
+                })
+            : () => false
+        ),
+      }),
+    });
+
+  const testval = { hello: 3, foo: { bar: 4 } };
+  const result1 = base().safeParse(testval);
+  const result2 = base(true).safeParseAsync(testval);
+
+  await result2.then((result2) => {
+    expect(result1.error!.issues.length).toBe(result2.error!.issues.length);
+  });
+});
+
+test("ensure early async failure prevents follow-up refinement checks", async () => {
+  let count = 0;
+  const base = z.object({
+    hello: z.string(),
+    foo: z
+      .number()
+      .refine(async () => {
+        count++;
+        return true;
+      })
+      .refine(async () => {
+        count++;
+        return true;
+      }, "Good"),
+  });
+
+  const testval = { hello: "bye", foo: 3 };
+  const result = await base.safeParseAsync(testval);
+  if (result.success === false) {
+    expect(result.error.issues.length).toBe(1);
+    expect(count).toBe(1);
+  }
+
+  // await result.then((r) => {
+  //   if (r.success === false) expect(r.error.issues.length).toBe(1);
+  //   expect(count).toBe(2);
+  // });
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/async-refinements.test.ts

@@ -0,0 +1,68 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("async refine .parse()", async () => {
+  // throws ZodAsyncError
+  const s1 = z.string().refine(async (_val) => true);
+  expect(() => s1.safeParse("asdf")).toThrow();
+});
+
+test("async refine", async () => {
+  const s1 = z.string().refine(async (_val) => true);
+  const r1 = await s1.parseAsync("asdf");
+  expect(r1).toEqual("asdf");
+
+  const s2 = z.string().refine(async (_val) => false);
+  const r2 = await s2.safeParseAsync("asdf");
+  expect(r2.success).toBe(false);
+  expect(r2).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("async refine with Promises", async () => {
+  // expect.assertions(2);
+
+  const schema1 = z.string().refine((_val) => Promise.resolve(true));
+  const v1 = await schema1.parseAsync("asdf");
+  expect(v1).toEqual("asdf");
+
+  const schema2 = z.string().refine((_val) => Promise.resolve(false));
+  await expect(schema2.parseAsync("asdf")).rejects.toBeDefined();
+
+  const schema3 = z.string().refine((_val) => Promise.resolve(true));
+  await expect(schema3.parseAsync("asdf")).resolves.toEqual("asdf");
+  return await expect(schema3.parseAsync("qwer")).resolves.toEqual("qwer");
+});
+
+test("async refine that uses value", async () => {
+  const schema1 = z.string().refine(async (val) => {
+    return val.length > 5;
+  });
+
+  const r1 = await schema1.safeParseAsync("asdf");
+  expect(r1.success).toBe(false);
+  expect(r1.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]]
+  `);
+
+  const r2 = await schema1.safeParseAsync("asdf123");
+  expect(r2.success).toBe(true);
+  expect(r2.data).toEqual("asdf123");
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/base.test.ts

@@ -0,0 +1,7 @@
+import { expect, test } from "vitest";
+import * as z from "zod/v4";
+
+test("test this binding", () => {
+  const parse = z.string().parse;
+  expect(parse("asdf")).toBe("asdf");
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/bigint.test.ts

@@ -0,0 +1,54 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+const gtFive = z.bigint().gt(BigInt(5));
+const gteFive = z.bigint().gte(BigInt(5));
+const ltFive = z.bigint().lt(BigInt(5));
+const lteFive = z.bigint().lte(BigInt(5));
+const positive = z.bigint().positive();
+const negative = z.bigint().negative();
+const nonnegative = z.bigint().nonnegative();
+const nonpositive = z.bigint().nonpositive();
+const multipleOfFive = z.bigint().multipleOf(BigInt(5));
+
+test("passing validations", () => {
+  z.bigint().parse(BigInt(1));
+  z.bigint().parse(BigInt(0));
+  z.bigint().parse(BigInt(-1));
+  gtFive.parse(BigInt(6));
+  gteFive.parse(BigInt(5));
+  gteFive.parse(BigInt(6));
+  ltFive.parse(BigInt(4));
+  lteFive.parse(BigInt(5));
+  lteFive.parse(BigInt(4));
+  positive.parse(BigInt(3));
+  negative.parse(BigInt(-2));
+  nonnegative.parse(BigInt(0));
+  nonnegative.parse(BigInt(7));
+  nonpositive.parse(BigInt(0));
+  nonpositive.parse(BigInt(-12));
+  multipleOfFive.parse(BigInt(15));
+});
+
+test("failing validations", () => {
+  expect(() => gtFive.parse(BigInt(5))).toThrow();
+  expect(() => gteFive.parse(BigInt(4))).toThrow();
+  expect(() => ltFive.parse(BigInt(5))).toThrow();
+  expect(() => lteFive.parse(BigInt(6))).toThrow();
+  expect(() => positive.parse(BigInt(0))).toThrow();
+  expect(() => positive.parse(BigInt(-2))).toThrow();
+  expect(() => negative.parse(BigInt(0))).toThrow();
+  expect(() => negative.parse(BigInt(3))).toThrow();
+  expect(() => nonnegative.parse(BigInt(-1))).toThrow();
+  expect(() => nonpositive.parse(BigInt(1))).toThrow();
+  expect(() => multipleOfFive.parse(BigInt(13))).toThrow();
+});
+
+test("min max getters", () => {
+  expect(z.bigint().min(BigInt(5)).minValue).toEqual(BigInt(5));
+  expect(z.bigint().min(BigInt(5)).min(BigInt(10)).minValue).toEqual(BigInt(10));
+
+  expect(z.bigint().max(BigInt(5)).maxValue).toEqual(BigInt(5));
+  expect(z.bigint().max(BigInt(5)).max(BigInt(1)).maxValue).toEqual(BigInt(1));
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/brand.test.ts

@@ -0,0 +1,106 @@
+import { expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+test("branded types", () => {
+  const mySchema = z
+    .object({
+      name: z.string(),
+    })
+    .brand<"superschema">();
+
+  // simple branding
+  type MySchema = z.infer<typeof mySchema>;
+
+  expectTypeOf<MySchema>().toEqualTypeOf<{ name: string } & z.$brand<"superschema">>();
+
+  const doStuff = (arg: MySchema) => arg;
+  doStuff(mySchema.parse({ name: "hello there" }));
+
+  // inheritance
+  const extendedSchema = mySchema.brand<"subschema">();
+  type ExtendedSchema = z.infer<typeof extendedSchema>;
+  expectTypeOf<ExtendedSchema>().toEqualTypeOf<{ name: string } & z.BRAND<"superschema"> & z.BRAND<"subschema">>();
+
+  doStuff(extendedSchema.parse({ name: "hello again" }));
+
+  // number branding
+  const numberSchema = z.number().brand<42>();
+  type NumberSchema = z.infer<typeof numberSchema>;
+  expectTypeOf<NumberSchema>().toEqualTypeOf<number & { [z.$brand]: { 42: true } }>();
+
+  // symbol branding
+  const MyBrand: unique symbol = Symbol("hello");
+  type MyBrand = typeof MyBrand;
+  const symbolBrand = z.number().brand<"sup">().brand<typeof MyBrand>();
+  type SymbolBrand = z.infer<typeof symbolBrand>;
+  // number & { [z.BRAND]: { sup: true, [MyBrand]: true } }
+  expectTypeOf<SymbolBrand>().toEqualTypeOf<number & z.BRAND<"sup"> & z.BRAND<MyBrand>>();
+
+  // keeping brands out of input types
+  const age = z.number().brand<"age">();
+
+  type Age = z.infer<typeof age>;
+  type AgeInput = z.input<typeof age>;
+
+  expectTypeOf<AgeInput>().not.toEqualTypeOf<Age>();
+  expectTypeOf<number>().toEqualTypeOf<AgeInput>();
+  expectTypeOf<number & z.BRAND<"age">>().toEqualTypeOf<Age>();
+
+  // @ts-expect-error
+  doStuff({ name: "hello there!" });
+});
+
+test("$branded", () => {
+  const a = z.string().brand<"a">();
+
+  expectTypeOf<typeof a>().toEqualTypeOf<z.core.$ZodBranded<z.ZodString, "a">>();
+});
+
+test("branded record", () => {
+  const recordWithBrandedNumberKeys = z.record(z.string().brand("SomeBrand"), z.number());
+  type recordWithBrandedNumberKeys = z.infer<typeof recordWithBrandedNumberKeys>;
+  expectTypeOf<recordWithBrandedNumberKeys>().toEqualTypeOf<Record<string & z.core.$brand<"SomeBrand">, number>>();
+});
+
+test("brand direction: out (default)", () => {
+  const schema = z.string().brand<"A">();
+  type Input = z.input<typeof schema>;
+  type Output = z.output<typeof schema>;
+
+  // output is branded
+  expectTypeOf<Output>().toEqualTypeOf<string & z.$brand<"A">>();
+  // input is NOT branded (default behavior)
+  expectTypeOf<Input>().toEqualTypeOf<string>();
+});
+
+test("brand direction: out (explicit)", () => {
+  const schema = z.string().brand<"A", "out">();
+  type Input = z.input<typeof schema>;
+  type Output = z.output<typeof schema>;
+
+  // output is branded
+  expectTypeOf<Output>().toEqualTypeOf<string & z.$brand<"A">>();
+  // input is NOT branded
+  expectTypeOf<Input>().toEqualTypeOf<string>();
+});
+
+test("brand direction: in", () => {
+  const schema = z.string().brand<"A", "in">();
+  type Input = z.input<typeof schema>;
+  type Output = z.output<typeof schema>;
+
+  // input is branded
+  expectTypeOf<Input>().toEqualTypeOf<string & z.$brand<"A">>();
+  // output is NOT branded
+  expectTypeOf<Output>().toEqualTypeOf<string>();
+});
+
+test("brand direction: inout", () => {
+  const schema = z.string().brand<"A", "inout">();
+  type Input = z.input<typeof schema>;
+  type Output = z.output<typeof schema>;
+
+  // both are branded
+  expectTypeOf<Input>().toEqualTypeOf<string & z.$brand<"A">>();
+  expectTypeOf<Output>().toEqualTypeOf<string & z.$brand<"A">>();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/catch.test.ts

@@ -0,0 +1,276 @@
+import { expect, expectTypeOf, test } from "vitest";
+import { z } from "zod/v4";
+
+test("basic catch", () => {
+  expect(z.string().catch("default").parse(undefined)).toBe("default");
+});
+
+test("catch fn does not run when parsing succeeds", () => {
+  let isCalled = false;
+  const cb = () => {
+    isCalled = true;
+    return "asdf";
+  };
+  expect(z.string().catch(cb).parse("test")).toBe("test");
+  expect(isCalled).toEqual(false);
+});
+
+test("basic catch async", async () => {
+  const result = await z.string().catch("default").parseAsync(1243);
+  expect(result).toBe("default");
+});
+
+test("catch replace wrong types", () => {
+  expect(z.string().catch("default").parse(true)).toBe("default");
+  expect(z.string().catch("default").parse(true)).toBe("default");
+  expect(z.string().catch("default").parse(15)).toBe("default");
+  expect(z.string().catch("default").parse([])).toBe("default");
+  expect(z.string().catch("default").parse(new Map())).toBe("default");
+  expect(z.string().catch("default").parse(new Set())).toBe("default");
+  expect(z.string().catch("default").parse({})).toBe("default");
+});
+
+test("catch with transform", () => {
+  const stringWithDefault = z
+    .string()
+    .transform((val) => val.toUpperCase())
+    .catch("default");
+
+  expect(stringWithDefault.parse(undefined)).toBe("default");
+  expect(stringWithDefault.parse(15)).toBe("default");
+  expect(stringWithDefault).toBeInstanceOf(z.ZodCatch);
+  expect(stringWithDefault.unwrap()).toBeInstanceOf(z.ZodPipe);
+  expect(stringWithDefault.unwrap().in).toBeInstanceOf(z.ZodString);
+  expect(stringWithDefault.unwrap().out).toBeInstanceOf(z.ZodTransform);
+
+  type inp = z.input<typeof stringWithDefault>;
+  expectTypeOf<inp>().toEqualTypeOf<string>();
+  type out = z.output<typeof stringWithDefault>;
+  expectTypeOf<out>().toEqualTypeOf<string>();
+});
+
+test("catch on existing optional", () => {
+  const stringWithDefault = z.string().optional().catch("asdf");
+  expect(stringWithDefault.parse(undefined)).toBe(undefined);
+  expect(stringWithDefault.parse(15)).toBe("asdf");
+  expect(stringWithDefault).toBeInstanceOf(z.ZodCatch);
+  expect(stringWithDefault.unwrap()).toBeInstanceOf(z.ZodOptional);
+  expect(stringWithDefault.unwrap().unwrap()).toBeInstanceOf(z.ZodString);
+
+  type inp = z.input<typeof stringWithDefault>;
+  expectTypeOf<inp>().toEqualTypeOf<string | undefined>();
+  type out = z.output<typeof stringWithDefault>;
+  expectTypeOf<out>().toEqualTypeOf<string | undefined>();
+});
+
+test("optional on catch", () => {
+  const stringWithDefault = z.string().catch("asdf").optional();
+
+  type inp = z.input<typeof stringWithDefault>;
+  expectTypeOf<inp>().toEqualTypeOf<string | undefined>();
+  type out = z.output<typeof stringWithDefault>;
+  expectTypeOf<out>().toEqualTypeOf<string | undefined>();
+});
+
+test("complex chain example", () => {
+  const complex = z
+    .string()
+    .catch("asdf")
+    .transform((val) => `${val}!`)
+    .transform((val) => val.toUpperCase())
+    .catch("qwer")
+    .unwrap()
+    .optional()
+    .catch("asdfasdf");
+
+  expect(complex.parse("qwer")).toBe("QWER!");
+  expect(complex.parse(15)).toBe("ASDF!");
+  expect(complex.parse(true)).toBe("ASDF!");
+});
+
+test("removeCatch", () => {
+  const stringWithRemovedDefault = z.string().catch("asdf").unwrap();
+
+  type out = z.output<typeof stringWithRemovedDefault>;
+  expectTypeOf<out>().toEqualTypeOf<string>();
+});
+
+test("nested", () => {
+  const inner = z.string().catch("asdf");
+  const outer = z.object({ inner }).catch({
+    inner: "asdf",
+  });
+  type input = z.input<typeof outer>;
+  expectTypeOf<input>().toEqualTypeOf<{ inner: string }>();
+  type out = z.output<typeof outer>;
+
+  expectTypeOf<out>().toEqualTypeOf<{ inner: string }>();
+  expect(outer.parse(undefined)).toEqual({ inner: "asdf" });
+  expect(outer.parse({})).toEqual({ inner: "asdf" });
+  expect(outer.parse({ inner: undefined })).toEqual({ inner: "asdf" });
+});
+
+test("chained catch", () => {
+  const stringWithDefault = z.string().catch("inner").catch("outer");
+  const result = stringWithDefault.parse(undefined);
+  expect(result).toEqual("inner");
+  const resultDiff = stringWithDefault.parse(5);
+  expect(resultDiff).toEqual("inner");
+});
+
+test("native enum", () => {
+  enum Fruits {
+    apple = "apple",
+    orange = "orange",
+  }
+
+  const schema = z.object({
+    fruit: z.nativeEnum(Fruits).catch(Fruits.apple),
+  });
+
+  expect(schema.parse({})).toEqual({ fruit: Fruits.apple });
+  expect(schema.parse({ fruit: 15 })).toEqual({ fruit: Fruits.apple });
+});
+
+test("enum", () => {
+  const schema = z.object({
+    fruit: z.enum(["apple", "orange"]).catch("apple"),
+  });
+
+  expect(schema.parse({})).toEqual({ fruit: "apple" });
+  expect(schema.parse({ fruit: true })).toEqual({ fruit: "apple" });
+  expect(schema.parse({ fruit: 15 })).toEqual({ fruit: "apple" });
+});
+
+test("reported issues with nested usage", () => {
+  const schema = z.object({
+    string: z.string(),
+    obj: z.object({
+      sub: z.object({
+        lit: z.literal("a"),
+        subCatch: z.number().catch(23),
+      }),
+      midCatch: z.number().catch(42),
+    }),
+    number: z.number().catch(0),
+    bool: z.boolean(),
+  });
+
+  try {
+    schema.parse({
+      string: {},
+      obj: {
+        sub: {
+          lit: "b",
+          subCatch: "24",
+        },
+        midCatch: 444,
+      },
+      number: "",
+      bool: "yes",
+    });
+  } catch (error) {
+    const issues = (error as z.ZodError).issues;
+
+    expect(issues.length).toEqual(3);
+    expect(issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "invalid_type",
+          "expected": "string",
+          "message": "Invalid input: expected string, received object",
+          "path": [
+            "string",
+          ],
+        },
+        {
+          "code": "invalid_value",
+          "message": "Invalid input: expected "a"",
+          "path": [
+            "obj",
+            "sub",
+            "lit",
+          ],
+          "values": [
+            "a",
+          ],
+        },
+        {
+          "code": "invalid_type",
+          "expected": "boolean",
+          "message": "Invalid input: expected boolean, received string",
+          "path": [
+            "bool",
+          ],
+        },
+      ]
+    `);
+    // expect(issues[0].message).toMatch("string");
+    // expect(issues[1].message).toMatch("literal");
+    // expect(issues[2].message).toMatch("boolean");
+  }
+});
+
+test("catch error", () => {
+  const schema = z.object({
+    age: z.number(),
+    name: z.string().catch((ctx) => {
+      ctx.issues;
+      // issues = ctx.issues;
+
+      return "John Doe";
+    }),
+  });
+
+  const result = schema.safeParse({
+    age: null,
+    name: null,
+  });
+
+  expect(result.success).toEqual(false);
+  expect(result.error!).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "number",
+        "code": "invalid_type",
+        "path": [
+          "age"
+        ],
+        "message": "Invalid input: expected number, received null"
+      }
+    ]]
+  `);
+});
+
+test("ctx.input", () => {
+  const schema = z.string().catch((ctx) => {
+    return String(ctx.input);
+  });
+
+  expect(schema.parse(123)).toEqual("123");
+});
+
+test("direction-aware catch", () => {
+  const schema = z.string().catch("fallback");
+
+  // Forward direction (regular parse): catch should be applied
+  expect(schema.parse(123)).toBe("fallback");
+
+  // Reverse direction (encode): catch should NOT be applied, invalid value should fail validation
+  expect(z.safeEncode(schema, 123 as any)).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected string, received number"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  // But valid values should still work in reverse
+  expect(z.encode(schema, "world")).toBe("world");
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/coalesce.test.ts

@@ -0,0 +1,20 @@
+import { expect, test } from "vitest";
+
+test("coalesce", () => {
+  expect(true).toBe(true);
+});
+
+// test("nonoptional with default", () => {
+//   const schema = z.string().optional().coalesce("hi");
+//   expectTypeOf<typeof schema._input>().toEqualTypeOf<string | undefined>();
+//   expectTypeOf<typeof schema._output>().toEqualTypeOf<string>();
+//   expect(schema.parse(undefined)).toBe("hi");
+// });
+
+// test("nonoptional in object", () => {
+//   const schema = z.object({ hi: z.string().optional().nonoptional("hi") });
+
+//   expectTypeOf<typeof schema._input>().toEqualTypeOf<{ hi: string | undefined }>();
+//   expectTypeOf<typeof schema._output>().toEqualTypeOf<{ hi: string }>();
+//   expect(schema.parse(undefined)).toBe("hi");
+// });

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/codec-examples.test.ts

@@ -0,0 +1,573 @@
+import { expect, test } from "vitest";
+import * as z from "zod/v4";
+
+// ============================================================================
+// stringToNumber
+// ============================================================================
+
+const stringToNumber = () =>
+  z.codec(z.string(), z.number(), {
+    decode: (str) => Number.parseFloat(str),
+    encode: (num) => num.toString(),
+  });
+
+test("stringToNumber codec", () => {
+  const codec = stringToNumber();
+
+  // Test decode
+  expect(z.decode(codec, "42.5")).toBe(42.5);
+  expect(z.decode(codec, "0")).toBe(0);
+  expect(z.decode(codec, "-123.456")).toBe(-123.456);
+
+  // Test encode
+  expect(z.encode(codec, 42.5)).toBe("42.5");
+  expect(z.encode(codec, 0)).toBe("0");
+  expect(z.encode(codec, -123.456)).toBe("-123.456");
+
+  // Test round trip
+  const original = "3.14159";
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe("3.14159");
+});
+
+// ============================================================================
+// stringToInt
+// ============================================================================
+
+const stringToInt = () =>
+  z.codec(z.string(), z.int(), {
+    decode: (str) => Number.parseInt(str, 10),
+    encode: (num) => num.toString(),
+  });
+
+test("stringToInt codec", () => {
+  const codec = stringToInt();
+
+  // Test decode
+  expect(z.decode(codec, "42")).toBe(42);
+  expect(z.decode(codec, "0")).toBe(0);
+  expect(z.decode(codec, "-123")).toBe(-123);
+
+  // Test encode
+  expect(z.encode(codec, 42)).toBe("42");
+  expect(z.encode(codec, 0)).toBe("0");
+  expect(z.encode(codec, -123)).toBe("-123");
+
+  // Test round trip
+  const original = "999";
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe("999");
+});
+
+// ============================================================================
+// stringToBigInt
+// ============================================================================
+
+const stringToBigInt = () =>
+  z.codec(z.string(), z.bigint(), {
+    decode: (str) => BigInt(str),
+    encode: (bigint) => bigint.toString(),
+  });
+
+test("stringToBigInt codec", () => {
+  const codec = stringToBigInt();
+
+  // Test decode
+  expect(z.decode(codec, "123456789012345678901234567890")).toBe(123456789012345678901234567890n);
+  expect(z.decode(codec, "0")).toBe(0n);
+  expect(z.decode(codec, "-999")).toBe(-999n);
+
+  // Test encode
+  expect(z.encode(codec, 123456789012345678901234567890n)).toBe("123456789012345678901234567890");
+  expect(z.encode(codec, 0n)).toBe("0");
+  expect(z.encode(codec, -999n)).toBe("-999");
+
+  // Test round trip
+  const original = "987654321098765432109876543210";
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe("987654321098765432109876543210");
+});
+
+// ============================================================================
+// numberToBigInt
+// ============================================================================
+
+const numberToBigInt = () =>
+  z.codec(z.int(), z.bigint(), {
+    decode: (num) => BigInt(num),
+    encode: (bigint) => Number(bigint),
+  });
+
+test("numberToBigInt codec", () => {
+  const codec = numberToBigInt();
+
+  // Test decode
+  expect(z.decode(codec, 42)).toBe(42n);
+  expect(z.decode(codec, 0)).toBe(0n);
+  expect(z.decode(codec, -123)).toBe(-123n);
+
+  // Test encode
+  expect(z.encode(codec, 42n)).toBe(42);
+  expect(z.encode(codec, 0n)).toBe(0);
+  expect(z.encode(codec, -123n)).toBe(-123);
+
+  // Test round trip
+  const original = 999;
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe(999);
+});
+
+// ============================================================================
+// isoDatetimeToDate
+// ============================================================================
+
+const isoDatetimeToDate = () =>
+  z.codec(z.iso.datetime(), z.date(), {
+    decode: (isoString) => new Date(isoString),
+    encode: (date) => date.toISOString(),
+  });
+
+test("isoDatetimeToDate codec", () => {
+  const codec = isoDatetimeToDate();
+
+  // Test decode
+  const decoded = z.decode(codec, "2024-01-15T10:30:00.000Z");
+  expect(decoded).toBeInstanceOf(Date);
+  expect(decoded.getTime()).toBe(1705314600000);
+
+  // Test encode
+  const date = new Date("2024-01-15T10:30:00.000Z");
+  expect(z.encode(codec, date)).toBe("2024-01-15T10:30:00.000Z");
+
+  // Test round trip
+  const original = "2024-12-25T15:45:30.123Z";
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe("2024-12-25T15:45:30.123Z");
+});
+
+// ============================================================================
+// epochSecondsToDate
+// ============================================================================
+
+const epochSecondsToDate = () =>
+  z.codec(z.int().min(0), z.date(), {
+    decode: (seconds) => new Date(seconds * 1000),
+    encode: (date) => Math.floor(date.getTime() / 1000),
+  });
+
+test("epochSecondsToDate codec", () => {
+  const codec = epochSecondsToDate();
+
+  // Test decode
+  const decoded = z.decode(codec, 1705314600);
+  expect(decoded).toBeInstanceOf(Date);
+  expect(decoded.getTime()).toBe(1705314600000);
+
+  // Test encode
+  const date = new Date(1705314600000);
+  expect(z.encode(codec, date)).toBe(1705314600);
+
+  // Test round trip
+  const original = 1640995200; // 2022-01-01 00:00:00 UTC
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe(1640995200);
+});
+
+// ============================================================================
+// epochMillisToDate
+// ============================================================================
+
+const epochMillisToDate = () =>
+  z.codec(z.int().min(0), z.date(), {
+    decode: (millis) => new Date(millis),
+    encode: (date) => date.getTime(),
+  });
+
+test("epochMillisToDate codec", () => {
+  const codec = epochMillisToDate();
+
+  // Test decode
+  const decoded = z.decode(codec, 1705314600000);
+  expect(decoded).toBeInstanceOf(Date);
+  expect(decoded.getTime()).toBe(1705314600000);
+
+  // Test encode
+  const date = new Date(1705314600000);
+  expect(z.encode(codec, date)).toBe(1705314600000);
+
+  // Test round trip
+  const original = 1640995200123; // 2022-01-01 00:00:00.123 UTC
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe(1640995200123);
+});
+
+// ============================================================================
+// json
+// ============================================================================
+
+const jsonCodec = <T extends z.core.$ZodType>(schema: T) =>
+  z.codec(z.string(), schema, {
+    decode: (jsonString, ctx) => {
+      try {
+        return JSON.parse(jsonString);
+      } catch (err: any) {
+        ctx.issues.push({
+          code: "invalid_format",
+          format: "json",
+          input: jsonString,
+          message: err.message,
+        });
+        return z.NEVER;
+      }
+    },
+    encode: (value) => JSON.stringify(value),
+  });
+
+test("json codec", () => {
+  const codec = jsonCodec(z.object({ name: z.string(), age: z.number() }));
+
+  // Test decode
+  const decoded = z.decode(codec, '{"name":"Alice","age":30}');
+  expect(decoded).toEqual({ name: "Alice", age: 30 });
+
+  // Test encode
+  const encoded = z.encode(codec, { name: "Bob", age: 25 });
+  expect(encoded).toBe('{"name":"Bob","age":25}');
+
+  // Test round trip
+  const original = '{"name":"Charlie","age":35}';
+  const parsed = z.decode(codec, original);
+  const roundTrip = z.encode(codec, parsed);
+  expect(JSON.parse(roundTrip)).toEqual(JSON.parse(original));
+});
+
+// ============================================================================
+// utf8ToBytes
+// ============================================================================
+
+const utf8ToBytes = () =>
+  z.codec(z.string(), z.instanceof(Uint8Array), {
+    decode: (str) => new TextEncoder().encode(str),
+    encode: (bytes) => new TextDecoder().decode(bytes),
+  });
+
+test("utf8ToBytes codec", () => {
+  const codec = utf8ToBytes();
+
+  // Test decode
+  const decoded = z.decode(codec, "Hello, 世界!");
+  expect(decoded).toBeInstanceOf(Uint8Array);
+  expect(Array.from(decoded)).toEqual([72, 101, 108, 108, 111, 44, 32, 228, 184, 150, 231, 149, 140, 33]);
+
+  // Test encode
+  const bytes = new Uint8Array([72, 101, 108, 108, 111]);
+  expect(z.encode(codec, bytes)).toBe("Hello");
+
+  // Test round trip
+  const original = "Hello, 世界! 🚀";
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe(original);
+});
+
+// ============================================================================
+// bytesToUtf8
+// ============================================================================
+
+const bytesToUtf8 = () =>
+  z.codec(z.instanceof(Uint8Array), z.string(), {
+    decode: (bytes) => new TextDecoder().decode(bytes),
+    encode: (str) => new TextEncoder().encode(str),
+  });
+
+test("bytesToUtf8 codec", () => {
+  const codec = bytesToUtf8();
+
+  // Test decode
+  const bytes = new Uint8Array([72, 101, 108, 108, 111]);
+  const decoded = z.decode(codec, bytes);
+  expect(decoded).toBe("Hello");
+
+  // Test encode
+  const encoded = z.encode(codec, "Hello, 世界!");
+  expect(encoded).toBeInstanceOf(Uint8Array);
+  expect(Array.from(encoded)).toEqual([72, 101, 108, 108, 111, 44, 32, 228, 184, 150, 231, 149, 140, 33]);
+
+  // Test round trip
+  const original = new Uint8Array([72, 101, 108, 108, 111, 44, 32, 228, 184, 150, 231, 149, 140, 33]);
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toEqual(original);
+});
+
+// ============================================================================
+// base64
+// ============================================================================
+
+const base64 = () =>
+  z.codec(z.base64(), z.instanceof(Uint8Array), {
+    decode: (base64String) => z.util.base64ToUint8Array(base64String),
+    encode: (bytes) => z.util.uint8ArrayToBase64(bytes),
+  });
+
+test("base64 codec", () => {
+  const codec = base64();
+
+  // Test decode
+  const decoded = z.decode(codec, "SGVsbG8=");
+  expect(decoded).toBeInstanceOf(Uint8Array);
+  expect(Array.from(decoded)).toEqual([72, 101, 108, 108, 111]);
+
+  // Test encode
+  const bytes = new Uint8Array([72, 101, 108, 108, 111]);
+  expect(z.encode(codec, bytes)).toBe("SGVsbG8=");
+
+  // Test round trip
+  const original = "SGVsbG8gV29ybGQh";
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe(original);
+});
+
+// ============================================================================
+// base64urlToBytes
+// ============================================================================
+
+const base64urlToBytes = () =>
+  z.codec(z.base64url(), z.instanceof(Uint8Array), {
+    decode: (base64urlString) => z.util.base64urlToUint8Array(base64urlString),
+    encode: (bytes) => z.util.uint8ArrayToBase64url(bytes),
+  });
+
+test("base64urlToBytes codec", () => {
+  const codec = base64urlToBytes();
+
+  // Test decode
+  const decoded = z.decode(codec, "SGVsbG8");
+  expect(decoded).toBeInstanceOf(Uint8Array);
+  expect(Array.from(decoded)).toEqual([72, 101, 108, 108, 111]);
+
+  // Test encode
+  const bytes = new Uint8Array([72, 101, 108, 108, 111]);
+  expect(z.encode(codec, bytes)).toBe("SGVsbG8");
+
+  // Test round trip with padding case
+  const original = "SGVsbG9Xb3JsZA";
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe(original);
+});
+
+// ============================================================================
+// hexToBytes
+// ============================================================================
+
+const hexToBytes = () =>
+  z.codec(z.hex(), z.instanceof(Uint8Array), {
+    decode: (hexString) => z.util.hexToUint8Array(hexString),
+    encode: (bytes) => z.util.uint8ArrayToHex(bytes),
+  });
+
+test("hexToBytes codec", () => {
+  const codec = hexToBytes();
+
+  // Test decode
+  const decoded = z.decode(codec, "48656c6c6f");
+  expect(decoded).toBeInstanceOf(Uint8Array);
+  expect(Array.from(decoded)).toEqual([72, 101, 108, 108, 111]);
+
+  // Note: z.hex() doesn't accept 0x prefix, but our utility function can handle it
+  // const decodedWithPrefix = z.decode(codec, "0x48656c6c6f");
+  // expect(Array.from(decodedWithPrefix)).toEqual([72, 101, 108, 108, 111]);
+
+  // Test encode
+  const bytes = new Uint8Array([72, 101, 108, 108, 111]);
+  expect(z.encode(codec, bytes)).toBe("48656c6c6f");
+
+  // Test round trip
+  const original = "deadbeef";
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe("deadbeef");
+});
+
+// ============================================================================
+// stringToURL
+// ============================================================================
+
+const stringToURL = () =>
+  z.codec(z.url(), z.instanceof(URL), {
+    decode: (urlString) => new URL(urlString),
+    encode: (url) => url.href,
+  });
+
+test("stringToURL codec", () => {
+  const codec = stringToURL();
+
+  // Test decode
+  const decoded = z.decode(codec, "https://example.com/path?query=value");
+  expect(decoded).toBeInstanceOf(URL);
+  expect(decoded.hostname).toBe("example.com");
+  expect(decoded.pathname).toBe("/path");
+  expect(decoded.search).toBe("?query=value");
+
+  // Test encode
+  const url = new URL("https://example.com/path?query=value");
+  expect(z.encode(codec, url)).toBe("https://example.com/path?query=value");
+
+  // Test round trip
+  const original = "https://test.com/api/v1?foo=bar&baz=qux";
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe(original);
+});
+
+// ============================================================================
+// stringToHttpURL
+// ============================================================================
+
+const stringToHttpURL = () =>
+  z.codec(z.httpUrl(), z.instanceof(URL), {
+    decode: (urlString) => new URL(urlString),
+    encode: (url) => url.href,
+  });
+
+test("stringToHttpURL codec", () => {
+  const codec = stringToHttpURL();
+
+  // Test decode HTTPS
+  const decodedHttps = z.decode(codec, "https://example.com/path");
+  expect(decodedHttps).toBeInstanceOf(URL);
+  expect(decodedHttps.protocol).toBe("https:");
+
+  // Test decode HTTP
+  const decodedHttp = z.decode(codec, "http://example.com/path");
+  expect(decodedHttp).toBeInstanceOf(URL);
+  expect(decodedHttp.protocol).toBe("http:");
+
+  // Test encode
+  const url = new URL("https://example.com/path");
+  expect(z.encode(codec, url)).toBe("https://example.com/path");
+
+  // Test round trip
+  const original = "http://api.example.com/v1/users";
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe(original);
+});
+
+// ============================================================================
+// uriComponent
+// ============================================================================
+
+const uriComponent = () =>
+  z.codec(z.string(), z.string(), {
+    decode: (encodedString) => decodeURIComponent(encodedString),
+    encode: (decodedString) => encodeURIComponent(decodedString),
+  });
+
+test("uriComponent codec", () => {
+  const codec = uriComponent();
+
+  // Test decode
+  const decoded = z.decode(codec, "Hello%20World%21");
+  expect(decoded).toBe("Hello World!");
+
+  // Test encode
+  const encoded = z.encode(codec, "Hello World!");
+  expect(encoded).toBe("Hello%20World!");
+
+  // Test round trip
+  const original = "Hello%20World%21%20%26%20More";
+  const roundTrip = z.encode(codec, z.decode(codec, original));
+  expect(roundTrip).toBe("Hello%20World!%20%26%20More");
+
+  // Test complex characters
+  const complex = "café & résumé";
+  const encodedComplex = z.encode(codec, complex);
+  const decodedComplex = z.decode(codec, encodedComplex);
+  expect(decodedComplex).toBe(complex);
+});
+
+// ============================================================================
+// stringToBoolean
+// ============================================================================
+
+const stringToBoolean = (options?: { truthy?: string[]; falsy?: string[] }) => z.stringbool(options);
+
+test("stringToBoolean codec", () => {
+  const codec = stringToBoolean();
+
+  // Test decode - default truthy values
+  expect(z.decode(codec, "true")).toBe(true);
+  expect(z.decode(codec, "yes")).toBe(true);
+  expect(z.decode(codec, "1")).toBe(true);
+
+  // Test decode - default falsy values
+  expect(z.decode(codec, "false")).toBe(false);
+  expect(z.decode(codec, "no")).toBe(false);
+  expect(z.decode(codec, "0")).toBe(false);
+
+  // Test encode - default behavior
+  expect(z.encode(codec, true)).toBe("true");
+  expect(z.encode(codec, false)).toBe("false");
+
+  // Test custom options
+  const customCodec = stringToBoolean({ truthy: ["yes", "y"], falsy: ["no", "n"] });
+  expect(z.decode(customCodec, "yes")).toBe(true);
+  expect(z.decode(customCodec, "y")).toBe(true);
+  expect(z.decode(customCodec, "no")).toBe(false);
+  expect(z.decode(customCodec, "n")).toBe(false);
+  expect(z.encode(customCodec, true)).toBe("yes");
+  expect(z.encode(customCodec, false)).toBe("no");
+});
+
+// ============================================================================
+// Error Handling Tests
+// ============================================================================
+
+// Test error cases - these test input validation, not transform errors
+test("codec input validation", () => {
+  // Test invalid base64 format
+  const base64Codec = base64();
+  const invalidBase64Result = z.safeDecode(base64Codec, "invalid!@#");
+  expect(invalidBase64Result.success).toBe(false);
+
+  // Test invalid hex format
+  const hexCodec = hexToBytes();
+  const invalidHexResult = z.safeDecode(hexCodec, "gg");
+  expect(invalidHexResult.success).toBe(false);
+
+  // Test invalid URL format
+  const urlCodec = stringToURL();
+  const invalidUrlResult = z.safeDecode(urlCodec, "not a url");
+  expect(invalidUrlResult.success).toBe(false);
+
+  // Test invalid HTTP URL format
+  const httpUrlCodec = stringToHttpURL();
+  const invalidHttpResult = z.safeDecode(httpUrlCodec, "ftp://example.com");
+  expect(invalidHttpResult.success).toBe(false);
+});
+
+// Test transform errors - these test errors added by transform functions
+test("codec transform error handling", () => {
+  // JSON codec that can fail during transform
+  const anyJSON = jsonCodec(z.json());
+
+  // Test successful JSON parsing
+  const validResult = z.safeDecode(anyJSON, '{"valid": "json"}');
+  expect(validResult.success).toBe(true);
+  if (validResult.success) {
+    expect(validResult.data).toEqual({ valid: "json" });
+  }
+
+  // Test invalid JSON that should create a single "invalid_format" issue
+  // Verifies that the transform error aborts before reaching the output schema
+  const invalidResult = z.safeDecode(anyJSON, '{"invalid":,}');
+  expect(invalidResult.success).toBe(false);
+  if (!invalidResult.success) {
+    expect(invalidResult.error.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "invalid_format",
+          "format": "json",
+          "message": "Unexpected token ',', "{"invalid":,}" is not valid JSON",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/codec.test.ts

@@ -0,0 +1,562 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+const isoDateCodec = z.codec(
+  z.iso.datetime(), // Input: ISO string (validates to string)
+  z.date(), // Output: Date object
+  {
+    decode: (isoString) => new Date(isoString), // Forward: ISO string → Date
+    encode: (date) => date.toISOString(), // Backward: Date → ISO string
+  }
+);
+
+test("instanceof", () => {
+  expect(isoDateCodec instanceof z.ZodCodec).toBe(true);
+  expect(isoDateCodec instanceof z.ZodPipe).toBe(true);
+  expect(isoDateCodec instanceof z.ZodType).toBe(true);
+  expect(isoDateCodec instanceof z.core.$ZodCodec).toBe(true);
+  expect(isoDateCodec instanceof z.core.$ZodPipe).toBe(true);
+  expect(isoDateCodec instanceof z.core.$ZodType).toBe(true);
+
+  expectTypeOf(isoDateCodec.def).toEqualTypeOf<z.core.$ZodCodecDef<z.ZodISODateTime, z.ZodDate>>();
+});
+
+test("codec basic functionality", () => {
+  // ISO string -> Date codec using z.iso.datetime() for input validation
+
+  const testIsoString = "2024-01-15T10:30:00.000Z";
+  const testDate = new Date("2024-01-15T10:30:00.000Z");
+
+  // Forward decoding (ISO string -> Date)
+  const decodedResult = z.decode(isoDateCodec, testIsoString);
+  expect(decodedResult).toBeInstanceOf(Date);
+  expect(decodedResult.toISOString()).toMatchInlineSnapshot(`"2024-01-15T10:30:00.000Z"`);
+
+  // Backward encoding (Date -> ISO string)
+  const encodedResult = z.encode(isoDateCodec, testDate);
+  expect(typeof encodedResult).toBe("string");
+  expect(encodedResult).toMatchInlineSnapshot(`"2024-01-15T10:30:00.000Z"`);
+});
+
+test("codec round trip", () => {
+  const isoDateCodec = z.codec(z.iso.datetime(), z.date(), {
+    decode: (isoString) => new Date(isoString),
+    encode: (date) => date.toISOString(),
+  });
+
+  const original = "2024-12-25T15:45:30.123Z";
+  const toDate = z.decode(isoDateCodec, original);
+  const backToString = z.encode(isoDateCodec, toDate);
+
+  expect(backToString).toMatchInlineSnapshot(`"2024-12-25T15:45:30.123Z"`);
+  expect(toDate).toBeInstanceOf(Date);
+  expect(toDate.getTime()).toMatchInlineSnapshot(`1735141530123`);
+});
+
+test("codec with refinement", () => {
+  const isoDateCodec = z
+    .codec(z.iso.datetime(), z.date(), {
+      decode: (isoString) => new Date(isoString),
+      encode: (date) => date.toISOString(),
+    })
+    .refine((val) => val.getFullYear() === 2024, { error: "Year must be 2024" });
+
+  // Valid 2024 date
+  const validDate = z.decode(isoDateCodec, "2024-01-15T10:30:00.000Z");
+  expect(validDate.getFullYear()).toMatchInlineSnapshot(`2024`);
+  expect(validDate.getTime()).toMatchInlineSnapshot(`1705314600000`);
+
+  // Invalid year should fail safely
+  const invalidYearResult = z.safeDecode(isoDateCodec, "2023-01-15T10:30:00.000Z");
+  expect(invalidYearResult.success).toBe(false);
+  if (!invalidYearResult.success) {
+    expect(invalidYearResult.error.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "custom",
+          "message": "Year must be 2024",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("safe codec operations", () => {
+  const isoDateCodec = z.codec(z.iso.datetime(), z.date(), {
+    decode: (isoString) => new Date(isoString),
+    encode: (date) => date.toISOString(),
+  });
+
+  // Safe decode with invalid input
+  const safeDecodeResult = z.safeDecode(isoDateCodec, "invalid-date");
+  expect(safeDecodeResult.success).toBe(false);
+  if (!safeDecodeResult.success) {
+    expect(safeDecodeResult.error.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "invalid_format",
+          "format": "datetime",
+          "message": "Invalid ISO datetime",
+          "origin": "string",
+          "path": [],
+          "pattern": "/^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z))$/",
+        },
+      ]
+    `);
+  }
+
+  // Safe decode with valid input
+  const safeDecodeValid = z.safeDecode(isoDateCodec, "2024-01-15T10:30:00.000Z");
+  expect(safeDecodeValid.success).toBe(true);
+  if (safeDecodeValid.success) {
+    expect(safeDecodeValid.data).toBeInstanceOf(Date);
+    expect(safeDecodeValid.data.getTime()).toMatchInlineSnapshot(`1705314600000`);
+  }
+
+  // Safe encode with valid input
+  const safeEncodeResult = z.safeEncode(isoDateCodec, new Date("2024-01-01"));
+  expect(safeEncodeResult.success).toBe(true);
+  if (safeEncodeResult.success) {
+    expect(safeEncodeResult.data).toMatchInlineSnapshot(`"2024-01-01T00:00:00.000Z"`);
+  }
+});
+
+test("codec with different types", () => {
+  // String -> Number codec
+  const stringNumberCodec = z.codec(z.string(), z.number(), {
+    decode: (str) => Number.parseFloat(str),
+    encode: (num) => num.toString(),
+  });
+
+  const decodedNumber = z.decode(stringNumberCodec, "42.5");
+  expect(decodedNumber).toMatchInlineSnapshot(`42.5`);
+  expect(typeof decodedNumber).toBe("number");
+
+  const encodedString = z.encode(stringNumberCodec, 42.5);
+  expect(encodedString).toMatchInlineSnapshot(`"42.5"`);
+  expect(typeof encodedString).toBe("string");
+});
+
+test("async codec operations", async () => {
+  const isoDateCodec = z.codec(z.iso.datetime(), z.date(), {
+    decode: (isoString) => new Date(isoString),
+    encode: (date) => date.toISOString(),
+  });
+
+  // Async decode
+  const decodedResult = await z.decodeAsync(isoDateCodec, "2024-01-15T10:30:00.000Z");
+  expect(decodedResult).toBeInstanceOf(Date);
+  expect(decodedResult.getTime()).toMatchInlineSnapshot(`1705314600000`);
+
+  // Async encode
+  const encodedResult = await z.encodeAsync(isoDateCodec, new Date("2024-01-15T10:30:00.000Z"));
+  expect(typeof encodedResult).toBe("string");
+  expect(encodedResult).toMatchInlineSnapshot(`"2024-01-15T10:30:00.000Z"`);
+
+  // Safe async operations
+  const safeDecodeResult = await z.safeDecodeAsync(isoDateCodec, "2024-01-15T10:30:00.000Z");
+  expect(safeDecodeResult.success).toBe(true);
+  if (safeDecodeResult.success) {
+    expect(safeDecodeResult.data.getTime()).toMatchInlineSnapshot(`1705314600000`);
+  }
+
+  const safeEncodeResult = await z.safeEncodeAsync(isoDateCodec, new Date("2024-01-15T10:30:00.000Z"));
+  expect(safeEncodeResult.success).toBe(true);
+  if (safeEncodeResult.success) {
+    expect(safeEncodeResult.data).toMatchInlineSnapshot(`"2024-01-15T10:30:00.000Z"`);
+  }
+});
+
+test("codec type inference", () => {
+  const codec = z.codec(z.string(), z.number(), {
+    decode: (str) => Number.parseInt(str),
+    encode: (num) => num.toString(),
+  });
+
+  // These should compile without type errors
+  const decoded: number = z.decode(codec, "123");
+  const encoded: string = z.encode(codec, 123);
+
+  expect(decoded).toMatchInlineSnapshot(`123`);
+  expect(encoded).toMatchInlineSnapshot(`"123"`);
+});
+
+test("nested codec with object containing codec property", () => {
+  // Nested schema: object containing a codec as one of its properties, with refinements at all levels
+  const waypointSchema = z
+    .object({
+      name: z.string().min(1, "Waypoint name required"),
+      difficulty: z.enum(["easy", "medium", "hard"]),
+      coordinate: z
+        .codec(
+          z
+            .string()
+            .regex(/^-?\d+,-?\d+$/, "Must be 'x,y' format"), // Input: coordinate string
+          z
+            .object({ x: z.number(), y: z.number() })
+            .refine((coord) => coord.x >= 0 && coord.y >= 0, { error: "Coordinates must be non-negative" }), // Output: coordinate object
+          {
+            decode: (coordString: string) => {
+              const [x, y] = coordString.split(",").map(Number);
+              return { x, y };
+            },
+            encode: (coord: { x: number; y: number }) => `${coord.x},${coord.y}`,
+          }
+        )
+        .refine((coord) => coord.x <= 1000 && coord.y <= 1000, { error: "Coordinates must be within bounds" }),
+    })
+    .refine((waypoint) => waypoint.difficulty !== "hard" || waypoint.coordinate.x >= 100, {
+      error: "Hard waypoints must be at least 100 units from origin",
+    });
+
+  // Test data
+  const inputWaypoint = {
+    name: "Summit Point",
+    difficulty: "medium" as const,
+    coordinate: "150,200",
+  };
+
+  // Forward decoding (object with string coordinate -> object with coordinate object)
+  const decodedWaypoint = z.decode(waypointSchema, inputWaypoint);
+  expect(decodedWaypoint).toMatchInlineSnapshot(`
+    {
+      "coordinate": {
+        "x": 150,
+        "y": 200,
+      },
+      "difficulty": "medium",
+      "name": "Summit Point",
+    }
+  `);
+
+  // Backward encoding (object with coordinate object -> object with string coordinate)
+  const encodedWaypoint = z.encode(waypointSchema, decodedWaypoint);
+  expect(encodedWaypoint).toMatchInlineSnapshot(`
+    {
+      "coordinate": "150,200",
+      "difficulty": "medium",
+      "name": "Summit Point",
+    }
+  `);
+
+  // Test refinements at all levels
+  // String validation (empty waypoint name)
+  const emptyNameResult = z.safeDecode(waypointSchema, {
+    name: "",
+    difficulty: "easy",
+    coordinate: "10,20",
+  });
+  expect(emptyNameResult.success).toBe(false);
+  if (!emptyNameResult.success) {
+    expect(emptyNameResult.error.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_small",
+          "inclusive": true,
+          "message": "Waypoint name required",
+          "minimum": 1,
+          "origin": "string",
+          "path": [
+            "name",
+          ],
+        },
+      ]
+    `);
+  }
+
+  // Enum validation (invalid difficulty)
+  const invalidDifficultyResult = z.safeDecode(waypointSchema, {
+    name: "Test Point",
+    difficulty: "impossible" as any,
+    coordinate: "10,20",
+  });
+  expect(invalidDifficultyResult.success).toBe(false);
+  if (!invalidDifficultyResult.success) {
+    expect(invalidDifficultyResult.error.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "invalid_value",
+          "message": "Invalid option: expected one of "easy"|"medium"|"hard"",
+          "path": [
+            "difficulty",
+          ],
+          "values": [
+            "easy",
+            "medium",
+            "hard",
+          ],
+        },
+      ]
+    `);
+  }
+
+  // Codec string format validation (invalid coordinate format)
+  const invalidFormatResult = z.safeDecode(waypointSchema, {
+    name: "Test Point",
+    difficulty: "easy",
+    coordinate: "invalid",
+  });
+  expect(invalidFormatResult.success).toBe(false);
+  if (!invalidFormatResult.success) {
+    expect(invalidFormatResult.error.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "invalid_format",
+          "format": "regex",
+          "message": "Must be 'x,y' format",
+          "origin": "string",
+          "path": [
+            "coordinate",
+          ],
+          "pattern": "/^-?\\d+,-?\\d+$/",
+        },
+      ]
+    `);
+  }
+
+  // Codec object refinement (negative coordinates)
+  const negativeCoordResult = z.safeDecode(waypointSchema, {
+    name: "Test Point",
+    difficulty: "easy",
+    coordinate: "-5,10",
+  });
+  expect(negativeCoordResult.success).toBe(false);
+  if (!negativeCoordResult.success) {
+    expect(negativeCoordResult.error.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "custom",
+          "message": "Coordinates must be non-negative",
+          "path": [
+            "coordinate",
+          ],
+        },
+      ]
+    `);
+  }
+
+  // Codec-level refinement (coordinates out of bounds)
+  const outOfBoundsResult = z.safeDecode(waypointSchema, {
+    name: "Test Point",
+    difficulty: "easy",
+    coordinate: "1500,2000",
+  });
+  expect(outOfBoundsResult.success).toBe(false);
+  if (!outOfBoundsResult.success) {
+    expect(outOfBoundsResult.error.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "custom",
+          "message": "Coordinates must be within bounds",
+          "path": [
+            "coordinate",
+          ],
+        },
+      ]
+    `);
+  }
+
+  // Object-level refinement (hard waypoint too close to origin)
+  const hardWaypointResult = z.safeDecode(waypointSchema, {
+    name: "Expert Point",
+    difficulty: "hard",
+    coordinate: "50,60", // x < 100, but hard waypoints need x >= 100
+  });
+  expect(hardWaypointResult.success).toBe(false);
+  if (!hardWaypointResult.success) {
+    expect(hardWaypointResult.error.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "custom",
+          "message": "Hard waypoints must be at least 100 units from origin",
+          "path": [],
+        },
+      ]
+    `);
+  }
+
+  // Round trip test
+  const roundTripResult = z.encode(waypointSchema, z.decode(waypointSchema, inputWaypoint));
+  expect(roundTripResult).toMatchInlineSnapshot(`
+    {
+      "coordinate": "150,200",
+      "difficulty": "medium",
+      "name": "Summit Point",
+    }
+  `);
+});
+
+test("mutating refinements", () => {
+  const A = z.codec(z.string(), z.string().trim(), {
+    decode: (val) => val,
+    encode: (val) => val,
+  });
+
+  expect(z.decode(A, " asdf ")).toMatchInlineSnapshot(`"asdf"`);
+  expect(z.encode(A, " asdf ")).toMatchInlineSnapshot(`"asdf"`);
+
+  const B = z
+    .codec(z.string(), z.string(), {
+      decode: (val) => val,
+      encode: (val) => val,
+    })
+    .check(z.trim(), z.maxLength(4));
+
+  expect(z.decode(B, " asdf ")).toMatchInlineSnapshot(`"asdf"`);
+  expect(z.encode(B, " asdf ")).toMatchInlineSnapshot(`"asdf"`);
+});
+
+test("codec type enforcement - correct encode/decode signatures", () => {
+  // Test that codec functions have correct type signatures
+  const stringToNumberCodec = z.codec(z.string(), z.number(), {
+    decode: (value: string) => Number(value), // core.output<A> -> core.input<B>
+    encode: (value: number) => String(value), // core.input<B> -> core.output<A>
+  });
+
+  // These should compile without errors - correct types (async support)
+  expectTypeOf<(value: string, payload: z.core.ParsePayload<string>) => z.core.util.MaybeAsync<number>>(
+    stringToNumberCodec.def.transform
+  ).toBeFunction();
+  expectTypeOf<(value: number, payload: z.core.ParsePayload<number>) => z.core.util.MaybeAsync<string>>(
+    stringToNumberCodec.def.reverseTransform
+  ).toBeFunction();
+
+  // Test that decode parameter type is core.output<A> (string)
+  const validDecode = (value: string) => Number(value);
+  expectTypeOf(validDecode).toMatchTypeOf<(value: string) => number>();
+
+  // Test that encode parameter type is core.input<B> (number)
+  const validEncode = (value: number) => String(value);
+  expectTypeOf(validEncode).toMatchTypeOf<(value: number) => string>();
+
+  z.codec(z.string(), z.number(), {
+    // @ts-expect-error - decode should NOT accept core.input<A> as parameter
+    decode: (value: never, _payload) => Number(value), // Wrong: should be string, not unknown
+    encode: (value: number, _payload) => String(value),
+  });
+
+  z.codec(z.string(), z.number(), {
+    decode: (value: string) => Number(value),
+    // @ts-expect-error - encode should NOT accept core.output<B> as parameter
+    encode: (value: never) => String(value), // Wrong: should be number, not unknown
+  });
+
+  z.codec(z.string(), z.number(), {
+    // @ts-expect-error - decode return type should be core.input<B>
+    decode: (value: string) => String(value), // Wrong: should return number, not string
+    encode: (value: number) => String(value),
+  });
+
+  z.codec(z.string(), z.number(), {
+    decode: (value: string) => Number(value),
+    // @ts-expect-error - encode return type should be core.output<A>
+    encode: (value: number) => Number(value), // Wrong: should return string, not number
+  });
+});
+
+test("codec type enforcement - complex types", () => {
+  type User = { id: number; name: string };
+  type UserInput = { id: string; name: string };
+
+  const userCodec = z.codec(
+    z.object({ id: z.string(), name: z.string() }),
+    z.object({ id: z.number(), name: z.string() }),
+    {
+      decode: (input: UserInput) => ({ id: Number(input.id), name: input.name }),
+      encode: (user: User) => ({ id: String(user.id), name: user.name }),
+    }
+  );
+
+  // Verify correct types are inferred (async support)
+  expectTypeOf<(input: UserInput, payload: z.core.ParsePayload<UserInput>) => z.core.util.MaybeAsync<User>>(
+    userCodec.def.transform
+  ).toBeFunction();
+  expectTypeOf<(user: User, payload: z.core.ParsePayload<User>) => z.core.util.MaybeAsync<UserInput>>(
+    userCodec.def.reverseTransform
+  ).toBeFunction();
+
+  z.codec(
+    z.object({
+      id: z.string(),
+      name: z.string(),
+    }),
+    z.object({ id: z.number(), name: z.string() }),
+    {
+      // @ts-expect-error - decode parameter should be UserInput, not User
+      decode: (input: User) => ({ id: Number(input.id), name: input.name }), // Wrong type
+      encode: (user: User) => ({ id: String(user.id), name: user.name }),
+    }
+  );
+
+  z.codec(
+    z.object({
+      id: z.string(),
+      name: z.string(),
+    }),
+    z.object({ id: z.number(), name: z.string() }),
+    {
+      decode: (input: UserInput) => ({ id: Number(input.id), name: input.name }),
+      // @ts-expect-error - encode parameter should be User, not UserInput
+      encode: (user: UserInput) => ({ id: String(user.id), name: user.name }), // Wrong type
+    }
+  );
+});
+
+test("codec with overwrites", () => {
+  const stringPlusA = z.string().overwrite((val) => val + "a");
+  const A = z
+    .codec(stringPlusA, stringPlusA, {
+      decode: (val) => val,
+      encode: (val) => val,
+    })
+    .overwrite((val) => val + "a");
+
+  expect(z.decode(A, "")).toEqual("aaa");
+  expect(z.encode(A, "")).toEqual("aaa");
+
+  // @ts-expect-error
+  expect(z.safeEncode(A, Symbol("a"))).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected string, received symbol"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("async codec functionality", async () => {
+  // Test that async encode/decode functions work properly
+  const asyncCodec = z.codec(z.string(), z.number(), {
+    decode: async (str) => {
+      await new Promise((resolve) => setTimeout(resolve, 1)); // Simulate async work
+      return Number.parseFloat(str);
+    },
+    encode: async (num) => {
+      await new Promise((resolve) => setTimeout(resolve, 1)); // Simulate async work
+      return num.toString();
+    },
+  });
+
+  // Test async decode/encode
+  const decoded = await z.decodeAsync(asyncCodec, "42.5");
+  expect(decoded).toBe(42.5);
+
+  const encoded = await z.encodeAsync(asyncCodec, 42.5);
+  expect(encoded).toBe("42.5");
+
+  // Test that both sync and async work
+  const mixedCodec = z.codec(z.string(), z.number(), {
+    decode: async (str) => Number.parseFloat(str),
+    encode: (num) => num.toString(), // sync encode
+  });
+
+  const mixedResult = await z.decodeAsync(mixedCodec, "123");
+  expect(mixedResult).toBe(123);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/coerce.test.ts

@@ -0,0 +1,160 @@
+import { expect, expectTypeOf, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("string coercion", () => {
+  const schema = z.coerce.string();
+  expect(schema.parse("sup")).toEqual("sup");
+  expect(schema.parse("")).toEqual("");
+  expect(schema.parse(12)).toEqual("12");
+  expect(schema.parse(0)).toEqual("0");
+  expect(schema.parse(-12)).toEqual("-12");
+  expect(schema.parse(3.14)).toEqual("3.14");
+  expect(schema.parse(BigInt(15))).toEqual("15");
+  expect(schema.parse(Number.NaN)).toEqual("NaN");
+  expect(schema.parse(Number.POSITIVE_INFINITY)).toEqual("Infinity");
+  expect(schema.parse(Number.NEGATIVE_INFINITY)).toEqual("-Infinity");
+  expect(schema.parse(true)).toEqual("true");
+  expect(schema.parse(false)).toEqual("false");
+  expect(schema.parse(null)).toEqual("null");
+  expect(schema.parse(undefined)).toEqual("undefined");
+  expect(schema.parse({ hello: "world!" })).toEqual("[object Object]");
+  expect(schema.parse(["item", "another_item"])).toEqual("item,another_item");
+  expect(schema.parse([])).toEqual("");
+  expect(schema.parse(new Date("2022-01-01T00:00:00.000Z"))).toEqual(new Date("2022-01-01T00:00:00.000Z").toString());
+});
+
+test("number coercion", () => {
+  const schema = z.coerce.number();
+  expect(schema.parse("12")).toEqual(12);
+  expect(schema.parse("0")).toEqual(0);
+  expect(schema.parse("-12")).toEqual(-12);
+  expect(schema.parse("3.14")).toEqual(3.14);
+  expect(schema.parse("")).toEqual(0);
+  expect(() => schema.parse("NOT_A_NUMBER")).toThrow(); // z.ZodError
+  expect(schema.parse(12)).toEqual(12);
+  expect(schema.parse(0)).toEqual(0);
+  expect(schema.parse(-12)).toEqual(-12);
+  expect(schema.parse(3.14)).toEqual(3.14);
+  expect(schema.parse(BigInt(15))).toEqual(15);
+  expect(() => schema.parse(Number.NaN)).toThrow(); // z.ZodError
+  // expect(schema.parse(Number.POSITIVE_INFINITY)).toEqual(Number.POSITIVE_INFINITY);
+  // expect(schema.parse(Number.NEGATIVE_INFINITY)).toEqual(Number.NEGATIVE_INFINITY);
+  expect(schema.parse(true)).toEqual(1);
+  expect(schema.parse(false)).toEqual(0);
+  expect(schema.parse(null)).toEqual(0);
+  expect(() => schema.parse(undefined)).toThrow(); // z.ZodError
+  expect(() => schema.parse({ hello: "world!" })).toThrow(); // z.ZodError
+  expect(() => schema.parse(["item", "another_item"])).toThrow(); // z.ZodError
+  expect(schema.parse([])).toEqual(0);
+  expect(schema.parse(new Date(1670139203496))).toEqual(1670139203496);
+});
+
+test("boolean coercion", () => {
+  const schema = z.coerce.boolean();
+  expect(schema.parse("true")).toEqual(true);
+  expect(schema.parse("false")).toEqual(true);
+  expect(schema.parse("0")).toEqual(true);
+  expect(schema.parse("1")).toEqual(true);
+  expect(schema.parse("")).toEqual(false);
+  expect(schema.parse(1)).toEqual(true);
+  expect(schema.parse(0)).toEqual(false);
+  expect(schema.parse(-1)).toEqual(true);
+  expect(schema.parse(3.14)).toEqual(true);
+  expect(schema.parse(BigInt(15))).toEqual(true);
+  expect(schema.parse(Number.NaN)).toEqual(false);
+  expect(schema.parse(Number.POSITIVE_INFINITY)).toEqual(true);
+  expect(schema.parse(Number.NEGATIVE_INFINITY)).toEqual(true);
+  expect(schema.parse(true)).toEqual(true);
+  expect(schema.parse(false)).toEqual(false);
+  expect(schema.parse(null)).toEqual(false);
+  expect(schema.parse(undefined)).toEqual(false);
+  expect(schema.parse({ hello: "world!" })).toEqual(true);
+  expect(schema.parse(["item", "another_item"])).toEqual(true);
+  expect(schema.parse([])).toEqual(true);
+  expect(schema.parse(new Date(1670139203496))).toEqual(true);
+});
+
+test("bigint coercion", () => {
+  const schema = z.coerce.bigint();
+  expect(schema.parse("5")).toEqual(BigInt(5));
+  expect(schema.parse("0")).toEqual(BigInt(0));
+  expect(schema.parse("-5")).toEqual(BigInt(-5));
+  expect(() => schema.parse("3.14")).toThrow(); // not a z.ZodError!
+  expect(schema.parse("")).toEqual(BigInt(0));
+  expect(() => schema.parse("NOT_A_NUMBER")).toThrow(); // not a z.ZodError!
+  expect(schema.parse(5)).toEqual(BigInt(5));
+  expect(schema.parse(0)).toEqual(BigInt(0));
+  expect(schema.parse(-5)).toEqual(BigInt(-5));
+  expect(() => schema.parse(3.14)).toThrow(); // not a z.ZodError!
+  expect(schema.parse(BigInt(5))).toEqual(BigInt(5));
+  expect(() => schema.parse(Number.NaN)).toThrow(); // not a z.ZodError!
+  expect(() => schema.parse(Number.POSITIVE_INFINITY)).toThrow(); // not a z.ZodError!
+  expect(() => schema.parse(Number.NEGATIVE_INFINITY)).toThrow(); // not a z.ZodError!
+  expect(schema.parse(true)).toEqual(BigInt(1));
+  expect(schema.parse(false)).toEqual(BigInt(0));
+  expect(() => schema.parse(null)).toThrow(); // not a z.ZodError!
+  expect(() => schema.parse(undefined)).toThrow(); // not a z.ZodError!
+  expect(() => schema.parse({ hello: "world!" })).toThrow(); // not a z.ZodError!
+  expect(() => schema.parse(["item", "another_item"])).toThrow(); // not a z.ZodError!
+  expect(schema.parse([])).toEqual(BigInt(0));
+  expect(schema.parse(new Date(1670139203496))).toEqual(BigInt(1670139203496));
+});
+
+test("date coercion", () => {
+  const schema = z.coerce.date();
+  expect(schema.parse(new Date().toDateString())).toBeInstanceOf(Date);
+  expect(schema.parse(new Date().toISOString())).toBeInstanceOf(Date);
+  expect(schema.parse(new Date().toUTCString())).toBeInstanceOf(Date);
+  expect(schema.parse("5")).toBeInstanceOf(Date);
+  expect(schema.parse("2000-01-01")).toBeInstanceOf(Date);
+  // expect(schema.parse("0")).toBeInstanceOf(Date);
+  // expect(schema.parse("-5")).toBeInstanceOf(Date);
+  // expect(schema.parse("3.14")).toBeInstanceOf(Date);
+  expect(() => schema.parse("")).toThrow(); // z.ZodError
+  expect(() => schema.parse("NOT_A_DATE")).toThrow(); // z.ZodError
+  expect(schema.parse(5)).toBeInstanceOf(Date);
+  expect(schema.parse(0)).toBeInstanceOf(Date);
+  expect(schema.parse(-5)).toBeInstanceOf(Date);
+  expect(schema.parse(3.14)).toBeInstanceOf(Date);
+  expect(() => schema.parse(BigInt(5))).toThrow(); // not a z.ZodError!
+  expect(() => schema.parse(Number.NaN)).toThrow(); // z.ZodError
+  expect(() => schema.parse(Number.POSITIVE_INFINITY)).toThrow(); // z.ZodError
+  expect(() => schema.parse(Number.NEGATIVE_INFINITY)).toThrow(); // z.ZodError
+  expect(schema.parse(true)).toBeInstanceOf(Date);
+  expect(schema.parse(false)).toBeInstanceOf(Date);
+  expect(schema.parse(null)).toBeInstanceOf(Date);
+  expect(() => schema.parse(undefined)).toThrow(); // z.ZodError
+  expect(() => schema.parse({ hello: "world!" })).toThrow(); // z.ZodError
+  expect(() => schema.parse(["item", "another_item"])).toThrow(); // z.ZodError
+  expect(() => schema.parse([])).toThrow(); // z.ZodError
+  expect(schema.parse(new Date())).toBeInstanceOf(Date);
+});
+
+// test("template literal coercion", () => {
+//   const schema = z.coerce
+//     .templateLiteral()
+//     .interpolated(z.number().finite())
+//     .interpolated(
+//       z.enum(["px", "em", "rem", "vh", "vw", "vmin", "vmax"]).optional()
+//     );
+//   expect(schema.parse(300)).toEqual("300");
+//   expect(schema.parse(BigInt(300))).toEqual("300");
+//   expect(schema.parse("300")).toEqual("300");
+//   expect(schema.parse("300px")).toEqual("300px");
+//   expect(schema.parse("300em")).toEqual("300em");
+//   expect(schema.parse("300rem")).toEqual("300rem");
+//   expect(schema.parse("300vh")).toEqual("300vh");
+//   expect(schema.parse("300vw")).toEqual("300vw");
+//   expect(schema.parse("300vmin")).toEqual("300vmin");
+//   expect(schema.parse("300vmax")).toEqual("300vmax");
+//   expect(schema.parse(["300px"])).toEqual("300px");
+// });
+
+test("override input type", () => {
+  const a = z.coerce.string<any>();
+  type input = z.input<typeof a>;
+  expectTypeOf<input>().toEqualTypeOf<any>();
+  type output = z.infer<typeof a>;
+  expectTypeOf<output>().toEqualTypeOf<string>();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/continuability.test.ts

@@ -0,0 +1,374 @@
+import { expect, test } from "vitest";
+import * as z from "zod/v4";
+
+test("continuability", () => {
+  /** 
+   *  | $ZodGUID
+  | $ZodUUID
+  | $ZodEmail
+  | $ZodURL
+  | $ZodEmoji
+  | $ZodNanoID
+  | $ZodCUID
+  | $ZodCUID2
+  | $ZodULID
+  | $ZodXID
+  | $ZodKSUID
+  | $ZodISODateTime
+  | $ZodISODate
+  | $ZodISOTime
+  | $ZodISODuration
+  | $ZodIPv4
+  | $ZodIPv6
+  | $ZodCIDRv4
+  | $ZodCIDRv6
+  | $ZodBase64
+  | $ZodBase64URL
+  | $ZodE164
+  | $ZodJWT;
+   */
+  expect(
+    z
+      .email()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "email",
+        "message": "Invalid email address",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^(?!\\.)(?!.*\\.\\.)([A-Za-z0-9_'+\\-\\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\\-]*\\.)+[A-Za-z]{2,}$/",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .uuid()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "uuid",
+        "message": "Invalid UUID",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .url()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "url",
+        "message": "Invalid URL",
+        "path": [],
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .jwt()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "jwt",
+        "message": "Invalid JWT",
+        "path": [],
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .cidrv4()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "cidrv4",
+        "message": "Invalid IPv4 range",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\\.){3}(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\\/([0-9]|[1-2][0-9]|3[0-2])$/",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .cidrv6()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "cidrv6",
+        "message": "Invalid IPv6 range",
+        "path": [],
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .ipv4()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "ipv4",
+        "message": "Invalid IPv4 address",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$/",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .ipv6()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "ipv6",
+        "message": "Invalid IPv6 address",
+        "path": [],
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .mac()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "mac",
+        "message": "Invalid MAC address",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^(?:[0-9A-F]{2}:){5}[0-9A-F]{2}$|^(?:[0-9a-f]{2}:){5}[0-9a-f]{2}$/",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .emoji()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "emoji",
+        "message": "Invalid emoji",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^(\\p{Extended_Pictographic}|\\p{Emoji_Component})+$/u",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .nanoid()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "nanoid",
+        "message": "Invalid nanoid",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^[a-zA-Z0-9_-]{21}$/",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .cuid()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "cuid",
+        "message": "Invalid cuid",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^[cC][^\\s-]{8,}$/",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .cuid2()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "cuid2",
+        "message": "Invalid cuid2",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^[0-9a-z]+$/",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .ulid()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "ulid",
+        "message": "Invalid ULID",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^[0-9A-HJKMNP-TV-Za-hjkmnp-tv-z]{26}$/",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .xid()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "xid",
+        "message": "Invalid XID",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^[0-9a-vA-V]{20}$/",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+  expect(
+    z
+      .ksuid()
+      .refine(() => false)
+      .safeParse("invalid_value").error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "invalid_format",
+        "format": "ksuid",
+        "message": "Invalid KSUID",
+        "origin": "string",
+        "path": [],
+        "pattern": "/^[A-Za-z0-9]{27}$/",
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [],
+      },
+    ]
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/custom.test.ts

@@ -0,0 +1,40 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("passing validations", () => {
+  const example1 = z.custom<number>((x) => typeof x === "number");
+  example1.parse(1234);
+  expect(() => example1.parse({})).toThrow();
+});
+
+test("string params", () => {
+  const example1 = z.custom<number>((x) => typeof x !== "number", "customerr");
+  const result = example1.safeParse(1234);
+  expect(result.success).toEqual(false);
+  expect(JSON.stringify(result.error).includes("customerr")).toEqual(true);
+});
+
+test("instanceof", () => {
+  const fn = (value: string) => Uint8Array.from(Buffer.from(value, "base64"));
+
+  // Argument of type 'ZodCustom<Uint8Array<ArrayBuffer>, unknown>' is not assignable to parameter of type '$ZodType<any, Uint8Array<ArrayBuffer>>'.
+  z.string().transform(fn).pipe(z.instanceof(Uint8Array));
+});
+
+test("non-continuable by default", () => {
+  const A = z
+    .custom<string>((val) => typeof val === "string")
+    .transform((_) => {
+      throw new Error("Invalid input");
+    });
+  expect(A.safeParse(123).error!).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]]
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/date.test.ts

@@ -0,0 +1,62 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+const beforeBenchmarkDate = new Date(Date.UTC(2022, 10, 4));
+const benchmarkDate = new Date(Date.UTC(2022, 10, 5));
+const afterBenchmarkDate = new Date(Date.UTC(2022, 10, 6));
+
+const minCheck = z.date().min(benchmarkDate);
+const maxCheck = z.date().max(benchmarkDate);
+
+test("passing validations", () => {
+  minCheck.parse(benchmarkDate);
+  minCheck.parse(afterBenchmarkDate);
+
+  maxCheck.parse(benchmarkDate);
+  maxCheck.parse(beforeBenchmarkDate);
+});
+
+test("date min", () => {
+  const result = minCheck.safeParse(beforeBenchmarkDate);
+
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_small",
+        "inclusive": true,
+        "message": "Too small: expected date to be >=1667606400000",
+        "minimum": 1667606400000,
+        "origin": "date",
+        "path": [],
+      },
+    ]
+  `);
+});
+
+test("date max", () => {
+  const result = maxCheck.safeParse(afterBenchmarkDate);
+
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_big",
+        "inclusive": true,
+        "maximum": 1667606400000,
+        "message": "Too big: expected date to be <=1667606400000",
+        "origin": "date",
+        "path": [],
+      },
+    ]
+  `);
+});
+
+test("min max getters", () => {
+  expect(minCheck.minDate).toEqual(benchmarkDate);
+  expect(minCheck.min(afterBenchmarkDate).minDate).toEqual(afterBenchmarkDate);
+
+  expect(maxCheck.maxDate).toEqual(benchmarkDate);
+  expect(maxCheck.max(beforeBenchmarkDate).maxDate).toEqual(beforeBenchmarkDate);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/datetime.test.ts

@@ -0,0 +1,302 @@
+import { checkSync } from "recheck";
+import { expect, test } from "vitest";
+import * as z from "zod/v4";
+
+test("basic datetime parsing", () => {
+  const datetime = z.string().datetime();
+  datetime.parse("1970-01-01T00:00:00.000Z");
+  datetime.parse("2022-10-13T09:52:31.816Z");
+  datetime.parse("2022-10-13T09:52:31.8162314Z");
+  datetime.parse("1970-01-01T00:00:00Z");
+  datetime.parse("2022-10-13T09:52:31Z");
+  expect(() => datetime.parse("")).toThrow();
+  expect(() => datetime.parse("foo")).toThrow();
+  expect(() => datetime.parse("2020-10-14")).toThrow();
+  expect(() => datetime.parse("T18:45:12.123")).toThrow();
+  expect(() => datetime.parse("2020-10-14T17:42:29+00:00")).toThrow();
+});
+
+test("datetime parsing with precision -1", () => {
+  const datetimeNoMs = z.string().datetime({ precision: -1, offset: true, local: true });
+  datetimeNoMs.parse("1970-01-01T00:00Z");
+  datetimeNoMs.parse("2022-10-13T09:52Z");
+  datetimeNoMs.parse("2022-10-13T09:52+02:00");
+
+  datetimeNoMs.parse("2022-10-13T09:52");
+  expect(() => datetimeNoMs.parse("tuna")).toThrow();
+  expect(() => datetimeNoMs.parse("2022-10-13T09:52+02")).toThrow();
+  expect(() => datetimeNoMs.parse("1970-01-01T00:00:00.000Z")).toThrow();
+  expect(() => datetimeNoMs.parse("1970-01-01T00:00:00.Z")).toThrow();
+  expect(() => datetimeNoMs.parse("2022-10-13T09:52:31.816Z")).toThrow();
+});
+
+test("datetime parsing with precision 0", () => {
+  const datetimeNoMs = z.string().datetime({ precision: 0 });
+  datetimeNoMs.parse("1970-01-01T00:00:00Z");
+  datetimeNoMs.parse("2022-10-13T09:52:31Z");
+  expect(() => datetimeNoMs.parse("tuna")).toThrow();
+  expect(() => datetimeNoMs.parse("1970-01-01T00:00:00.000Z")).toThrow();
+  expect(() => datetimeNoMs.parse("1970-01-01T00:00:00.Z")).toThrow();
+  expect(() => datetimeNoMs.parse("2022-10-13T09:52:31.816Z")).toThrow();
+});
+
+test("datetime parsing with precision 3", () => {
+  const datetime3Ms = z.string().datetime({ precision: 3 });
+  datetime3Ms.parse("1970-01-01T00:00:00.000Z");
+  datetime3Ms.parse("2022-10-13T09:52:31.123Z");
+  expect(() => datetime3Ms.parse("tuna")).toThrow();
+  expect(() => datetime3Ms.parse("1970-01-01T00:00:00.1Z")).toThrow();
+  expect(() => datetime3Ms.parse("1970-01-01T00:00:00.12Z")).toThrow();
+  expect(() => datetime3Ms.parse("2022-10-13T09:52:31Z")).toThrow();
+});
+
+test("datetime parsing with offset", () => {
+  const datetimeOffset = z.string().datetime({ offset: true });
+  datetimeOffset.parse("1970-01-01T00:00:00.000Z");
+  datetimeOffset.parse("2022-10-13T09:52:31.816234134Z");
+  datetimeOffset.parse("1970-01-01T00:00:00Z");
+  datetimeOffset.parse("2022-10-13T09:52:31.4Z");
+  datetimeOffset.parse("2020-10-14T17:42:29+00:00");
+  datetimeOffset.parse("2020-10-14T17:42:29+03:15");
+  expect(() => datetimeOffset.parse("2020-10-14T17:42:29+0315")).toThrow();
+  expect(() => datetimeOffset.parse("2020-10-14T17:42:29+03")).toThrow();
+  expect(() => datetimeOffset.parse("tuna")).toThrow();
+  expect(() => datetimeOffset.parse("2022-10-13T09:52:31.Z")).toThrow();
+
+  // Invalid offset tests
+  expect(() => datetimeOffset.parse("2020-10-14T17:42:29+24:00")).toThrow(); // out of range hours
+  expect(() => datetimeOffset.parse("2020-10-14T17:42:29+00:60")).toThrow(); // out of range minutes
+  expect(() => datetimeOffset.parse("2020-10-14T17:42:29+1:30")).toThrow(); // single digit hours
+  expect(() => datetimeOffset.parse("2020-10-14T17:42:29+00:")).toThrow(); // incomplete offset
+});
+
+test("datetime parsing with offset and precision 0", () => {
+  const datetimeOffsetNoMs = z.string().datetime({ offset: true, precision: 0 });
+  datetimeOffsetNoMs.parse("1970-01-01T00:00:00Z");
+  datetimeOffsetNoMs.parse("2022-10-13T09:52:31Z");
+  datetimeOffsetNoMs.parse("2020-10-14T17:42:29+00:00");
+  expect(() => datetimeOffsetNoMs.parse("2020-10-14T17:42:29+0000")).toThrow();
+  expect(() => datetimeOffsetNoMs.parse("2020-10-14T17:42:29+00")).toThrow();
+  expect(() => datetimeOffsetNoMs.parse("tuna")).toThrow();
+  expect(() => datetimeOffsetNoMs.parse("1970-01-01T00:00:00.000Z")).toThrow();
+  expect(() => datetimeOffsetNoMs.parse("1970-01-01T00:00:00.Z")).toThrow();
+  expect(() => datetimeOffsetNoMs.parse("2022-10-13T09:52:31.816Z")).toThrow();
+  expect(() => datetimeOffsetNoMs.parse("2020-10-14T17:42:29.124+00:00")).toThrow();
+});
+
+test("datetime parsing with offset and precision 4", () => {
+  const datetimeOffset4Ms = z.string().datetime({ offset: true, precision: 4 });
+  datetimeOffset4Ms.parse("1970-01-01T00:00:00.1234Z");
+  datetimeOffset4Ms.parse("2020-10-14T17:42:29.1234+00:00");
+  expect(() => datetimeOffset4Ms.parse("2020-10-14T17:42:29.1234+0000")).toThrow();
+  expect(() => datetimeOffset4Ms.parse("2020-10-14T17:42:29.1234+00")).toThrow();
+  expect(() => datetimeOffset4Ms.parse("tuna")).toThrow();
+  expect(() => datetimeOffset4Ms.parse("1970-01-01T00:00:00.123Z")).toThrow();
+  expect(() => datetimeOffset4Ms.parse("2020-10-14T17:42:29.124+00:00")).toThrow();
+});
+
+test("datetime offset normalization", () => {
+  const a = z.iso.datetime({ offset: true });
+
+  expect(a.safeParse("2020-10-14T17:42:29+02")).toMatchObject({ success: false });
+  expect(a.safeParse("2020-10-14T17:42:29+0200")).toMatchObject({ success: false });
+  a.safeParse("2020-10-14T17:42:29+02:00");
+});
+
+test("datetime parsing with local option", () => {
+  const a = z.string().datetime({ local: true });
+
+  expect(a.safeParse("1970-01-01T00:00")).toMatchObject({ success: true });
+  expect(a.safeParse("1970-01-01T00:00:00")).toMatchObject({ success: true });
+  expect(a.safeParse("2022-10-13T09:52:31.816")).toMatchObject({ success: true });
+  expect(a.safeParse("1970-01-01T00:00:00.000")).toMatchObject({ success: true });
+  expect(a.safeParse("1970-01-01T00")).toMatchObject({ success: false });
+
+  // Should reject timezone indicators and invalid formats
+
+  expect(() => a.parse("2022-10-13T09:52:31+00:00")).toThrow();
+  expect(() => a.parse("2022-10-13 09:52:31")).toThrow();
+  expect(() => a.parse("2022-10-13T24:52:31")).toThrow();
+  expect(() => a.parse("2022-10-13T24:52")).toThrow();
+  expect(() => a.parse("2022-10-13T24:52Z")).toThrow();
+});
+
+test("datetime parsing with local and offset", () => {
+  const a = z.string().datetime({ local: true, offset: true });
+
+  // expect(a.parse("2022-10-13T12:52")).toEqual("2022-10-13T12:52:00");
+  a.parse("2022-10-13T12:52:00");
+  a.parse("2022-10-13T12:52:00Z");
+  a.parse("2022-10-13T12:52Z");
+  a.parse("2022-10-13T12:52");
+  a.parse("2022-10-13T12:52+02:00");
+  expect(() => a.parse("2022-10-13T12:52:00+02")).toThrow();
+  // expect(() => a.parse("2022-10-13T12:52Z")).toThrow();
+  // expect(() => a.parse("2022-10-13T12:52+02:00")).toThrow();
+});
+
+test("date parsing", () => {
+  const date = z.string().date();
+  date.parse("1970-01-01");
+  date.parse("2022-01-31");
+  date.parse("2022-03-31");
+  date.parse("2022-04-30");
+  date.parse("2022-05-31");
+  date.parse("2022-06-30");
+  date.parse("2022-07-31");
+  date.parse("2022-08-31");
+  date.parse("2022-09-30");
+  date.parse("2022-10-31");
+  date.parse("2022-11-30");
+  date.parse("2022-12-31");
+
+  date.parse("2000-02-29");
+  date.parse("2400-02-29");
+  expect(() => date.parse("2022-02-29")).toThrow();
+  expect(() => date.parse("2100-02-29")).toThrow();
+  expect(() => date.parse("2200-02-29")).toThrow();
+  expect(() => date.parse("2300-02-29")).toThrow();
+  expect(() => date.parse("2500-02-29")).toThrow();
+
+  expect(() => date.parse("")).toThrow();
+  expect(() => date.parse("foo")).toThrow();
+  expect(() => date.parse("200-01-01")).toThrow();
+  expect(() => date.parse("20000-01-01")).toThrow();
+  expect(() => date.parse("2000-0-01")).toThrow();
+  expect(() => date.parse("2000-011-01")).toThrow();
+  expect(() => date.parse("2000-01-0")).toThrow();
+  expect(() => date.parse("2000-01-011")).toThrow();
+  expect(() => date.parse("2000/01/01")).toThrow();
+  expect(() => date.parse("01-01-2022")).toThrow();
+  expect(() => date.parse("01/01/2022")).toThrow();
+  expect(() => date.parse("2000-01-01 00:00:00Z")).toThrow();
+  expect(() => date.parse("2020-10-14T17:42:29+00:00")).toThrow();
+  expect(() => date.parse("2020-10-14T17:42:29Z")).toThrow();
+  expect(() => date.parse("2020-10-14T17:42:29")).toThrow();
+  expect(() => date.parse("2020-10-14T17:42:29.123Z")).toThrow();
+
+  expect(() => date.parse("2000-00-12")).toThrow();
+  expect(() => date.parse("2000-12-00")).toThrow();
+  expect(() => date.parse("2000-01-32")).toThrow();
+  expect(() => date.parse("2000-13-01")).toThrow();
+  expect(() => date.parse("2000-21-01")).toThrow();
+
+  expect(() => date.parse("2000-02-30")).toThrow();
+  expect(() => date.parse("2000-02-31")).toThrow();
+  expect(() => date.parse("2000-04-31")).toThrow();
+  expect(() => date.parse("2000-06-31")).toThrow();
+  expect(() => date.parse("2000-09-31")).toThrow();
+  expect(() => date.parse("2000-11-31")).toThrow();
+});
+
+test("time parsing", () => {
+  const time = z.string().time();
+  time.parse("00:00:00");
+  time.parse("23:00:00");
+  time.parse("00:59:00");
+  time.parse("00:00:59");
+  time.parse("23:59:59");
+  time.parse("09:52:31");
+  time.parse("23:59:59.9999999");
+  time.parse("00:00");
+  expect(() => time.parse("")).toThrow();
+  expect(() => time.parse("foo")).toThrow();
+  expect(() => time.parse("00:00:00Z")).toThrow();
+  expect(() => time.parse("0:00:00")).toThrow();
+  expect(() => time.parse("00:0:00")).toThrow();
+  expect(() => time.parse("00:00:0")).toThrow();
+  expect(() => time.parse("00:00:00.000+00:00")).toThrow();
+  expect(() => time.parse("24:00:00")).toThrow();
+  expect(() => time.parse("00:60:00")).toThrow();
+  expect(() => time.parse("00:00:60")).toThrow();
+  expect(() => time.parse("24:60:60")).toThrow();
+
+  const time2 = z.string().time({ precision: 2 });
+  time2.parse("00:00:00.00");
+  time2.parse("09:52:31.12");
+  time2.parse("23:59:59.99");
+  expect(() => time2.parse("")).toThrow();
+  expect(() => time2.parse("foo")).toThrow();
+  expect(() => time2.parse("00:00:00")).toThrow();
+  expect(() => time2.parse("00:00:00.00Z")).toThrow();
+  expect(() => time2.parse("00:00:00.0")).toThrow();
+  expect(() => time2.parse("00:00:00.000")).toThrow();
+  expect(() => time2.parse("00:00:00.00+00:00")).toThrow();
+
+  const time3 = z.string().time({ precision: z.TimePrecision.Minute });
+  time3.parse("00:00");
+  expect(() => time3.parse("00:00:00")).toThrow();
+});
+
+test("duration", () => {
+  const duration = z.string().duration();
+
+  const validDurations = [
+    "P3Y6M4DT12H30M5S",
+    "P2Y9M3DT12H31M8.001S",
+    // "+P3Y6M4DT12H30M5S",
+    // "-PT0.001S",
+    // "+PT0.001S",
+    "PT0,001S",
+    "PT12H30M5S",
+    // "-P2M1D",
+    // "P-2M-1D",
+    // "-P5DT10H",
+    // "P-5DT-10H",
+    "P1Y",
+    "P2MT30M",
+    "PT6H",
+    "P5W",
+    // "P0.5Y",
+    // "P0,5Y",
+    // "P42YT7.004M",
+  ];
+
+  const invalidDurations = [
+    "foo bar",
+    "",
+    " ",
+    "P",
+    "PT",
+    "P1Y2MT",
+    "T1H",
+    "P0.5Y1D",
+    "P0,5Y6M",
+    "P1YT",
+    "P-2M-1D",
+    "P-5DT-10H",
+    "P1W2D",
+    "-P1D",
+  ];
+
+  for (const val of validDurations) {
+    const result = duration.safeParse(val);
+    if (!result.success) {
+      throw Error(`Valid duration could not be parsed: ${val}`);
+    }
+  }
+
+  for (const val of invalidDurations) {
+    const result = duration.safeParse(val);
+
+    if (result.success) {
+      throw Error(`Invalid duration was successful parsed: ${val}`);
+    }
+
+    expect(result.error.issues[0].message).toEqual("Invalid ISO duration");
+  }
+});
+
+test("redos checker", () => {
+  const a = z.iso.datetime();
+  const b = z.string().datetime({ offset: true });
+  const c = z.string().datetime({ local: true });
+  const d = z.string().datetime({ local: true, offset: true, precision: 3 });
+  const e = z.string().date();
+  const f = z.string().time();
+  const g = z.string().duration();
+  for (const schema of [a, b, c, d, e, f, g]) {
+    const result = checkSync(schema._zod.pattern.source, "");
+    if (result.status !== "safe") throw Error("ReDoS issue");
+  }
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/default.test.ts

@@ -0,0 +1,365 @@
+import { expect, expectTypeOf, test } from "vitest";
+import { z } from "zod/v4";
+
+test("basic defaults", () => {
+  expect(z.string().default("default").parse(undefined)).toBe("default");
+});
+
+test("default with optional", () => {
+  const schema = z.string().optional().default("default");
+  expect(schema.parse(undefined)).toBe("default");
+  expect(schema.unwrap().parse(undefined)).toBe(undefined);
+});
+
+test("default with transform", () => {
+  const stringWithDefault = z
+    .string()
+    .transform((val) => val.toUpperCase())
+    .default("default");
+  expect(stringWithDefault.parse(undefined)).toBe("default");
+  expect(stringWithDefault).toBeInstanceOf(z.ZodDefault);
+  expect(stringWithDefault.unwrap()).toBeInstanceOf(z.ZodPipe);
+  expect(stringWithDefault.unwrap().in).toBeInstanceOf(z.ZodString);
+  expect(stringWithDefault.unwrap().out).toBeInstanceOf(z.ZodTransform);
+
+  type inp = z.input<typeof stringWithDefault>;
+  expectTypeOf<inp>().toEqualTypeOf<string | undefined>();
+  type out = z.output<typeof stringWithDefault>;
+  expectTypeOf<out>().toEqualTypeOf<string>();
+});
+
+test("default on existing optional", () => {
+  const stringWithDefault = z.string().optional().default("asdf");
+  expect(stringWithDefault.parse(undefined)).toBe("asdf");
+  expect(stringWithDefault).toBeInstanceOf(z.ZodDefault);
+  expect(stringWithDefault.unwrap()).toBeInstanceOf(z.ZodOptional);
+  expect(stringWithDefault.unwrap().unwrap()).toBeInstanceOf(z.ZodString);
+
+  type inp = z.input<typeof stringWithDefault>;
+  expectTypeOf<inp>().toEqualTypeOf<string | undefined>();
+  type out = z.output<typeof stringWithDefault>;
+  expectTypeOf<out>().toEqualTypeOf<string>();
+});
+
+test("optional on default", () => {
+  const stringWithDefault = z.string().default("asdf").optional();
+
+  type inp = z.input<typeof stringWithDefault>;
+  expectTypeOf<inp>().toEqualTypeOf<string | undefined>();
+  type out = z.output<typeof stringWithDefault>;
+  expectTypeOf<out>().toEqualTypeOf<string | undefined>();
+
+  expect(stringWithDefault.parse(undefined)).toBe("asdf");
+});
+
+// test("complex chain example", () => {
+//   const complex = z
+//     .string()
+//     .default("asdf")
+//     .transform((val) => val.toUpperCase())
+//     .default("qwer")
+//     .unwrap()
+//     .optional()
+//     .default("asdfasdf");
+
+//   expect(complex.parse(undefined)).toBe("asdfasdf");
+// });
+
+test("removeDefault", () => {
+  const stringWithRemovedDefault = z.string().default("asdf").removeDefault();
+
+  type out = z.output<typeof stringWithRemovedDefault>;
+  expectTypeOf<out>().toEqualTypeOf<string>();
+});
+
+test("apply default at output", () => {
+  const schema = z
+    .string()
+    .transform((_) => (Math.random() > 0 ? undefined : _))
+    .default("asdf");
+  expect(schema.parse("")).toEqual("asdf");
+});
+
+test("nested", () => {
+  const inner = z.string().default("asdf");
+  const outer = z.object({ inner }).default({
+    inner: "qwer",
+  });
+  type input = z.input<typeof outer>;
+  expectTypeOf<input>().toEqualTypeOf<{ inner?: string | undefined } | undefined>();
+  type out = z.output<typeof outer>;
+  expectTypeOf<out>().toEqualTypeOf<{ inner: string }>();
+  expect(outer.parse(undefined)).toEqual({ inner: "qwer" });
+  expect(outer.parse({})).toEqual({ inner: "asdf" });
+  expect(outer.parse({ inner: undefined })).toEqual({ inner: "asdf" });
+});
+
+test("chained defaults", () => {
+  const stringWithDefault = z.string().default("inner").default("outer");
+  const result = stringWithDefault.parse(undefined);
+  expect(result).toEqual("outer");
+});
+
+test("object optionality", () => {
+  const schema = z.object({
+    hi: z.string().default("hi"),
+  });
+  type schemaInput = z.input<typeof schema>;
+  type schemaOutput = z.output<typeof schema>;
+  expectTypeOf<schemaInput>().toEqualTypeOf<{ hi?: string | undefined }>();
+  expectTypeOf<schemaOutput>().toEqualTypeOf<{ hi: string }>();
+  expect(schema.parse({})).toEqual({
+    hi: "hi",
+  });
+});
+
+test("nested prefault/default", () => {
+  const a = z
+    .string()
+    .default("a")
+    .refine((val) => val.startsWith("a"));
+  const b = z
+    .string()
+    .refine((val) => val.startsWith("b"))
+    .default("b");
+  const c = z
+    .string()
+    .prefault("c")
+    .refine((val) => val.startsWith("c"));
+  const d = z
+    .string()
+    .refine((val) => val.startsWith("d"))
+    .prefault("d");
+
+  const obj = z.object({
+    a,
+    b,
+    c,
+    d,
+  });
+
+  expect(obj.safeParse({ a: "a1", b: "b1", c: "c1", d: "d1" })).toMatchInlineSnapshot(`
+    {
+      "data": {
+        "a": "a1",
+        "b": "b1",
+        "c": "c1",
+        "d": "d1",
+      },
+      "success": true,
+    }
+  `);
+
+  expect(obj.safeParse({ a: "f", b: "f", c: "f", d: "f" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "path": [
+          "a"
+        ],
+        "message": "Invalid input"
+      },
+      {
+        "code": "custom",
+        "path": [
+          "b"
+        ],
+        "message": "Invalid input"
+      },
+      {
+        "code": "custom",
+        "path": [
+          "c"
+        ],
+        "message": "Invalid input"
+      },
+      {
+        "code": "custom",
+        "path": [
+          "d"
+        ],
+        "message": "Invalid input"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  expect(obj.safeParse({})).toMatchInlineSnapshot(`
+    {
+      "data": {
+        "a": "a",
+        "b": "b",
+        "c": "c",
+        "d": "d",
+      },
+      "success": true,
+    }
+  `);
+
+  expect(obj.safeParse({ a: undefined, b: undefined, c: undefined, d: undefined })).toMatchInlineSnapshot(`
+    {
+      "data": {
+        "a": "a",
+        "b": "b",
+        "c": "c",
+        "d": "d",
+      },
+      "success": true,
+    }
+  `);
+
+  const obj2 = z.object({
+    a: a.optional(),
+    b: b.optional(),
+    c: c.optional(),
+    d: d.optional(),
+  });
+  expect(obj2.safeParse({ a: undefined, b: undefined, c: undefined, d: undefined })).toMatchInlineSnapshot(`
+    {
+      "data": {
+        "a": "a",
+        "b": "b",
+        "c": "c",
+        "d": "d",
+      },
+      "success": true,
+    }
+  `);
+
+  expect(a.parse(undefined)).toBe("a");
+  expect(b.parse(undefined)).toBe("b");
+  expect(c.parse(undefined)).toBe("c");
+  expect(d.parse(undefined)).toBe("d");
+});
+
+test("failing default", () => {
+  const a = z
+    .string()
+    .default("z")
+    .refine((val) => val.startsWith("a"));
+  const b = z
+    .string()
+    .refine((val) => val.startsWith("b"))
+    .default("z");
+  const c = z
+    .string()
+    .prefault("z")
+    .refine((val) => val.startsWith("c"));
+  const d = z
+    .string()
+    .refine((val) => val.startsWith("d"))
+    .prefault("z");
+
+  const obj = z.object({
+    a,
+    b,
+    c,
+    d,
+  });
+
+  expect(
+    obj.safeParse({
+      a: undefined,
+      b: undefined,
+      c: undefined,
+      d: undefined,
+    }).error!.issues
+  ).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [
+          "a",
+        ],
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [
+          "c",
+        ],
+      },
+      {
+        "code": "custom",
+        "message": "Invalid input",
+        "path": [
+          "d",
+        ],
+      },
+    ]
+  `);
+});
+
+test("partial should not clobber defaults", () => {
+  const objWithDefaults = z.object({
+    a: z.string().default("defaultA"),
+    b: z.string().default("defaultB"),
+    c: z.string().default("defaultC"),
+  });
+
+  const objPartialWithOneRequired = objWithDefaults.partial(); //.required({ a: true });
+
+  const test = objPartialWithOneRequired.parse({});
+  expect(test).toMatchInlineSnapshot(`
+    {
+      "a": "defaultA",
+      "b": "defaultB",
+      "c": "defaultC",
+    }
+  `);
+});
+
+test("defaulted object schema returns shallow clone", () => {
+  const schema = z
+    .object({
+      a: z.string(),
+    })
+    .default({ a: "x" });
+  const result1 = schema.parse(undefined);
+  const result2 = schema.parse(undefined);
+  expect(result1).not.toBe(result2);
+  expect(result1).toEqual(result2);
+});
+
+test("defaulted array schema returns shallow clone", () => {
+  const schema = z.array(z.string()).default(["x"]);
+  const result1 = schema.parse(undefined);
+  const result2 = schema.parse(undefined);
+  expect(result1).not.toBe(result2);
+  expect(result1).toEqual(result2);
+});
+
+test("direction-aware defaults", () => {
+  const schema = z.string().default("hello");
+
+  // Forward direction (regular parse): defaults should be applied
+  expect(schema.parse(undefined)).toBe("hello");
+  expect(schema.parse("hello")).toBe("hello");
+
+  // Reverse direction (encode): defaults should NOT be applied, undefined should fail validation
+  expect(() => z.encode(schema, undefined as any)).toThrow();
+
+  // But valid values should still work in reverse
+  expect(z.safeEncode(schema, "world")).toMatchInlineSnapshot(`
+    {
+      "data": "world",
+      "success": true,
+    }
+  `);
+  expect(z.safeEncode(schema, undefined as any)).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/describe-meta-checks.test.ts

@@ -0,0 +1,27 @@
+import { describe, expect, it } from "vitest";
+import * as z from "../index.js";
+
+describe("z.describe() check", () => {
+  it("registers description in globalRegistry", () => {
+    const schema = z.string().check(z.describe("A string"));
+    expect(z.globalRegistry.get(schema)?.description).toBe("A string");
+  });
+});
+
+describe("z.meta() check", () => {
+  it("registers metadata in globalRegistry", () => {
+    const schema = z.number().check(z.meta({ title: "Age", description: "User's age" }));
+    const meta = z.globalRegistry.get(schema);
+    expect(meta?.title).toBe("Age");
+    expect(meta?.description).toBe("User's age");
+  });
+});
+
+describe("combined usage", () => {
+  it("works with multiple checks", () => {
+    const schema = z.string().check(z.describe("Email address"), z.meta({ title: "Email" }));
+    const meta = z.globalRegistry.get(schema);
+    expect(meta?.description).toBe("Email address");
+    expect(meta?.title).toBe("Email");
+  });
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/description.test.ts

@@ -0,0 +1,32 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+const description = "a description";
+
+// test("passing `description` to schema should add a description", () => {
+//   expect(z.string({ description }).description).toEqual(description);
+//   expect(z.number({ description }).description).toEqual(description);
+//   expect(z.boolean({ description }).description).toEqual(description);
+// });
+
+test(".describe", () => {
+  expect(z.string().describe(description).description).toEqual(description);
+  expect(z.number().describe(description).description).toEqual(description);
+  expect(z.boolean().describe(description).description).toEqual(description);
+});
+
+test("adding description with z.globalRegistry", () => {
+  const schema = z.string();
+  z.core.globalRegistry.add(schema, { description });
+  z.core.globalRegistry.get(schema);
+  expect(schema.description).toEqual(description);
+});
+
+// in Zod 4 descriptions are not inherited
+// test("description should carry over to chained schemas", () => {
+//   const schema = z.string().describe(description);
+//   expect(schema.description).toEqual(description);
+//   expect(schema.optional().description).toEqual(description);
+//   expect(schema.optional().nullable().default("default").description).toEqual(description);
+// });

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/discriminated-unions.test.ts

@@ -0,0 +1,661 @@
+import { expect, expectTypeOf, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("_values", () => {
+  expect(z.string()._zod.values).toEqual(undefined);
+  expect(z.enum(["a", "b"])._zod.values).toEqual(new Set(["a", "b"]));
+  expect(z.nativeEnum({ a: "A", b: "B" })._zod.values).toEqual(new Set(["A", "B"]));
+  expect(z.literal("test")._zod.values).toEqual(new Set(["test"]));
+  expect(z.literal(123)._zod.values).toEqual(new Set([123]));
+  expect(z.literal(true)._zod.values).toEqual(new Set([true]));
+  expect(z.literal(BigInt(123))._zod.values).toEqual(new Set([BigInt(123)]));
+  expect(z.undefined()._zod.values).toEqual(new Set([undefined]));
+  expect(z.null()._zod.values).toEqual(new Set([null]));
+
+  const t = z.literal("test");
+  expect(t.optional()._zod.values).toEqual(new Set(["test", undefined]));
+  expect(t.nullable()._zod.values).toEqual(new Set(["test", null]));
+  expect(t.default("test")._zod.values).toEqual(new Set(["test"]));
+  expect(t.catch("test")._zod.values).toEqual(new Set(["test"]));
+
+  const pre = z.preprocess((val) => String(val), z.string()).pipe(z.literal("test"));
+  expect(pre._zod.values).toEqual(undefined);
+
+  const post = z.literal("test").transform((_) => Math.random());
+  expect(post._zod.values).toEqual(new Set(["test"]));
+
+  // Test that readonly literals pass through their values property
+  expect(z.literal("test").readonly()._zod.values).toEqual(new Set(["test"]));
+});
+
+test("valid parse - object", () => {
+  expect(
+    z
+      .discriminatedUnion("type", [
+        z.object({ type: z.literal("a"), a: z.string() }),
+        z.object({ type: z.literal("b"), b: z.string() }),
+      ])
+      .parse({ type: "a", a: "abc" })
+  ).toEqual({ type: "a", a: "abc" });
+});
+
+test("valid - include discriminator key (deprecated)", () => {
+  expect(
+    z
+      .discriminatedUnion("type", [
+        z.object({ type: z.literal("a"), a: z.string() }),
+        z.object({ type: z.literal("b"), b: z.string() }),
+      ])
+      .parse({ type: "a", a: "abc" })
+  ).toEqual({ type: "a", a: "abc" });
+});
+
+test("valid - optional discriminator (object)", () => {
+  const schema = z.discriminatedUnion("type", [
+    z.object({ type: z.literal("a").optional(), a: z.string() }),
+    z.object({ type: z.literal("b"), b: z.string() }),
+  ]);
+  expect(schema.parse({ type: "a", a: "abc" })).toEqual({ type: "a", a: "abc" });
+  expect(schema.parse({ a: "abc" })).toEqual({ a: "abc" });
+});
+
+test("valid - discriminator value of various primitive types", () => {
+  const schema = z.discriminatedUnion("type", [
+    z.object({ type: z.literal("1"), val: z.string() }),
+    z.object({ type: z.literal(1), val: z.string() }),
+    z.object({ type: z.literal(BigInt(1)), val: z.string() }),
+    z.object({ type: z.literal("true"), val: z.string() }),
+    z.object({ type: z.literal(true), val: z.string() }),
+    z.object({ type: z.literal("null"), val: z.string() }),
+    z.object({ type: z.null(), val: z.string() }),
+    z.object({ type: z.literal("undefined"), val: z.string() }),
+    z.object({ type: z.undefined(), val: z.string() }),
+  ]);
+
+  expect(schema.parse({ type: "1", val: "val" })).toEqual({ type: "1", val: "val" });
+  expect(schema.parse({ type: 1, val: "val" })).toEqual({ type: 1, val: "val" });
+  expect(schema.parse({ type: BigInt(1), val: "val" })).toEqual({
+    type: BigInt(1),
+    val: "val",
+  });
+  expect(schema.parse({ type: "true", val: "val" })).toEqual({
+    type: "true",
+    val: "val",
+  });
+  expect(schema.parse({ type: true, val: "val" })).toEqual({
+    type: true,
+    val: "val",
+  });
+  expect(schema.parse({ type: "null", val: "val" })).toEqual({
+    type: "null",
+    val: "val",
+  });
+  expect(schema.parse({ type: null, val: "val" })).toEqual({
+    type: null,
+    val: "val",
+  });
+  expect(schema.parse({ type: "undefined", val: "val" })).toEqual({
+    type: "undefined",
+    val: "val",
+  });
+  expect(schema.parse({ type: undefined, val: "val" })).toEqual({
+    type: undefined,
+    val: "val",
+  });
+
+  const fail = schema.safeParse({
+    type: "not_a_key",
+    val: "val",
+  });
+  expect(fail.error).toBeInstanceOf(z.ZodError);
+});
+
+test("invalid - null", () => {
+  try {
+    z.discriminatedUnion("type", [
+      z.object({ type: z.literal("a"), a: z.string() }),
+      z.object({ type: z.literal("b"), b: z.string() }),
+    ]).parse(null);
+    throw new Error();
+  } catch (e: any) {
+    // [
+    //   {
+    //     code: z.ZodIssueCode.invalid_type,
+    //     expected: z.ZodParsedType.object,
+    //     input: null,
+    //     message: "Expected object, received null",
+    //     received: z.ZodParsedType.null,
+    //     path: [],
+    //   },
+    // ];
+    expect(e.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "invalid_type",
+          "expected": "object",
+          "message": "Invalid input: expected object, received null",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("invalid discriminator value", () => {
+  const result = z
+    .discriminatedUnion("type", [
+      z.object({ type: z.literal("a"), a: z.string() }),
+      z.object({ type: z.literal("b"), b: z.string() }),
+    ])
+    .safeParse({ type: "x", a: "abc" });
+
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_union",
+        "errors": [],
+        "note": "No matching discriminator",
+        "discriminator": "type",
+        "path": [
+          "type"
+        ],
+        "message": "Invalid input"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("invalid discriminator value - unionFallback", () => {
+  const result = z
+    .discriminatedUnion(
+      "type",
+      [z.object({ type: z.literal("a"), a: z.string() }), z.object({ type: z.literal("b"), b: z.string() })],
+      { unionFallback: true }
+    )
+    .safeParse({ type: "x", a: "abc" });
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_union",
+        "errors": [
+          [
+            {
+              "code": "invalid_value",
+              "values": [
+                "a"
+              ],
+              "path": [
+                "type"
+              ],
+              "message": "Invalid input: expected \\"a\\""
+            }
+          ],
+          [
+            {
+              "code": "invalid_value",
+              "values": [
+                "b"
+              ],
+              "path": [
+                "type"
+              ],
+              "message": "Invalid input: expected \\"b\\""
+            },
+            {
+              "expected": "string",
+              "code": "invalid_type",
+              "path": [
+                "b"
+              ],
+              "message": "Invalid input: expected string, received undefined"
+            }
+          ]
+        ],
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("valid discriminator value, invalid data", () => {
+  const result = z
+    .discriminatedUnion("type", [
+      z.object({ type: z.literal("a"), a: z.string() }),
+      z.object({ type: z.literal("b"), b: z.string() }),
+    ])
+    .safeParse({ type: "a", b: "abc" });
+
+  // [
+  //   {
+  //     code: z.ZodIssueCode.invalid_type,
+  //     expected: z.ZodParsedType.string,
+  //     message: "Required",
+  //     path: ["a"],
+  //     received: z.ZodParsedType.undefined,
+  //   },
+  // ];
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "a"
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("wrong schema - missing discriminator", () => {
+  try {
+    z.discriminatedUnion("type", [
+      z.object({ type: z.literal("a"), a: z.string() }),
+      z.object({ b: z.string() }) as any,
+    ])._zod.propValues;
+    throw new Error();
+  } catch (e: any) {
+    expect(e.message.includes("Invalid discriminated union option")).toBe(true);
+  }
+});
+
+// removed to account for unions of unions
+// test("wrong schema - duplicate discriminator values", () => {
+//   try {
+//     z.discriminatedUnion("type",[
+//       z.object({ type: z.literal("a"), a: z.string() }),
+//       z.object({ type: z.literal("a"), b: z.string() }),
+//     ]);
+//     throw new Error();
+//   } catch (e: any) {
+//     expect(e.message.includes("Duplicate discriminator value")).toEqual(true);
+//   }
+// });
+
+test("async - valid", async () => {
+  const schema = await z.discriminatedUnion("type", [
+    z.object({
+      type: z.literal("a"),
+      a: z
+        .string()
+        .refine(async () => true)
+        .transform(async (val) => Number(val)),
+    }),
+    z.object({
+      type: z.literal("b"),
+      b: z.string(),
+    }),
+  ]);
+  const data = { type: "a", a: "1" };
+  const result = await schema.safeParseAsync(data);
+  expect(result.data).toEqual({ type: "a", a: 1 });
+});
+
+test("async - invalid", async () => {
+  // try {
+  const a = z.discriminatedUnion("type", [
+    z.object({
+      type: z.literal("a"),
+      a: z
+        .string()
+        .refine(async () => true)
+        .transform(async (val) => val),
+    }),
+    z.object({
+      type: z.literal("b"),
+      b: z.string(),
+    }),
+  ]);
+  const result = await a.safeParseAsync({ type: "a", a: 1 });
+
+  // expect(JSON.parse(e.message)).toEqual([
+  //   {
+  //     code: "invalid_type",
+  //     expected: "string",
+  //     input: 1,
+  //     received: "number",
+  //     path: ["a"],
+  //     message: "Expected string, received number",
+  //   },
+  // ]);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "a"
+        ],
+        "message": "Invalid input: expected string, received number"
+      }
+    ]]
+  `);
+});
+
+test("valid - literals with .default or .pipe", () => {
+  const schema = z.discriminatedUnion("type", [
+    z.object({
+      type: z.literal("foo").default("foo"),
+      a: z.string(),
+    }),
+    z.object({
+      type: z.literal("custom"),
+      method: z.string(),
+    }),
+    z.object({
+      type: z.literal("bar").transform((val) => val),
+      c: z.string(),
+    }),
+  ]);
+  expect(schema.parse({ type: "foo", a: "foo" })).toEqual({
+    type: "foo",
+    a: "foo",
+  });
+});
+
+test("enum and nativeEnum", () => {
+  enum MyEnum {
+    d = 0,
+    e = "e",
+  }
+
+  const schema = z.discriminatedUnion("key", [
+    z.object({
+      key: z.literal("a"),
+      // Add other properties specific to this option
+    }),
+    z.object({
+      key: z.enum(["b", "c"]),
+      // Add other properties specific to this option
+    }),
+    z.object({
+      key: z.nativeEnum(MyEnum),
+      // Add other properties specific to this option
+    }),
+  ]);
+
+  type schema = z.infer<typeof schema>;
+  expectTypeOf<schema>().toEqualTypeOf<{ key: "a" } | { key: "b" | "c" } | { key: MyEnum.d | MyEnum.e }>();
+
+  schema.parse({ key: "a" });
+  schema.parse({ key: "b" });
+  schema.parse({ key: "c" });
+  schema.parse({ key: MyEnum.d });
+  schema.parse({ key: MyEnum.e });
+  schema.parse({ key: "e" });
+});
+
+test("branded", () => {
+  const schema = z.discriminatedUnion("key", [
+    z.object({
+      key: z.literal("a"),
+      // Add other properties specific to this option
+    }),
+    z.object({
+      key: z.literal("b").brand<"asdfasdf">(),
+      // Add other properties specific to this option
+    }),
+  ]);
+
+  type schema = z.infer<typeof schema>;
+  expectTypeOf<schema>().toEqualTypeOf<{ key: "a" } | { key: "b" & z.core.$brand<"asdfasdf"> }>();
+
+  schema.parse({ key: "a" });
+  schema.parse({ key: "b" });
+  expect(() => {
+    schema.parse({ key: "c" });
+  }).toThrow();
+});
+
+test("optional and nullable", () => {
+  const schema = z.discriminatedUnion("key", [
+    z.object({
+      key: z.literal("a").optional(),
+      a: z.literal(true),
+    }),
+    z.object({
+      key: z.literal("b").nullable(),
+      b: z.literal(true),
+      // Add other properties specific to this option
+    }),
+  ]);
+
+  type schema = z.infer<typeof schema>;
+  expectTypeOf<schema>().toEqualTypeOf<{ key?: "a" | undefined; a: true } | { key: "b" | null; b: true }>();
+
+  schema.parse({ key: "a", a: true });
+  schema.parse({ key: undefined, a: true });
+  schema.parse({ key: "b", b: true });
+  schema.parse({ key: null, b: true });
+  expect(() => {
+    schema.parse({ key: null, a: true });
+  }).toThrow();
+  expect(() => {
+    schema.parse({ key: "b", a: true });
+  }).toThrow();
+
+  const value = schema.parse({ key: null, b: true });
+
+  if (!("key" in value)) value.a;
+  if (value.key === undefined) value.a;
+  if (value.key === "a") value.a;
+  if (value.key === "b") value.b;
+  if (value.key === null) value.b;
+});
+
+test("multiple discriminators", () => {
+  const FreeConfig = z.object({
+    type: z.literal("free"),
+    min_cents: z.null(),
+  });
+
+  // console.log(FreeConfig.shape.type);
+  const PricedConfig = z.object({
+    type: z.literal("fiat-price"),
+    // min_cents: z.int().nullable(),
+    min_cents: z.null(),
+  });
+
+  const Config = z.discriminatedUnion("type", [FreeConfig, PricedConfig]);
+
+  Config.parse({
+    min_cents: null,
+    type: "fiat-price",
+    name: "Standard",
+  });
+
+  expect(() => {
+    Config.parse({
+      min_cents: null,
+      type: "not real",
+      name: "Standard",
+    });
+  }).toThrow();
+});
+
+test("single element union", () => {
+  const schema = z.object({
+    a: z.literal("discKey"),
+    b: z.enum(["apple", "banana"]),
+    c: z.object({ id: z.string() }),
+  });
+
+  const input = {
+    a: "discKey",
+    b: "apple",
+    c: {}, // Invalid, as schema requires `id` property
+  };
+
+  // Validation must fail here, but it doesn't
+
+  const u = z.discriminatedUnion("a", [schema]);
+  const result = u.safeParse(input);
+  expect(result).toMatchObject({ success: false });
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "c",
+          "id"
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  expect(u.options.length).toEqual(1);
+});
+
+test("nested discriminated unions", () => {
+  const BaseError = z.object({ status: z.literal("failed"), message: z.string() });
+  const MyErrors = z.discriminatedUnion("code", [
+    BaseError.extend({ code: z.literal(400) }),
+    BaseError.extend({ code: z.literal(401) }),
+    BaseError.extend({ code: z.literal(500) }),
+  ]);
+
+  const MyResult = z.discriminatedUnion("status", [
+    z.object({ status: z.literal("success"), data: z.string() }),
+    MyErrors,
+  ]);
+
+  expect(MyErrors._zod.propValues).toMatchInlineSnapshot(`
+    {
+      "code": Set {
+        400,
+        401,
+        500,
+      },
+      "status": Set {
+        "failed",
+      },
+    }
+  `);
+  expect(MyResult._zod.propValues).toMatchInlineSnapshot(`
+    {
+      "code": Set {
+        400,
+        401,
+        500,
+      },
+      "status": Set {
+        "success",
+        "failed",
+      },
+    }
+  `);
+
+  const result = MyResult.parse({ status: "success", data: "hello" });
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "data": "hello",
+      "status": "success",
+    }
+  `);
+  const result2 = MyResult.parse({ status: "failed", code: 400, message: "bad request" });
+  expect(result2).toMatchInlineSnapshot(`
+    {
+      "code": 400,
+      "message": "bad request",
+      "status": "failed",
+    }
+  `);
+  const result3 = MyResult.parse({ status: "failed", code: 401, message: "unauthorized" });
+  expect(result3).toMatchInlineSnapshot(`
+    {
+      "code": 401,
+      "message": "unauthorized",
+      "status": "failed",
+    }
+  `);
+  const result4 = MyResult.parse({ status: "failed", code: 500, message: "internal server error" });
+  expect(result4).toMatchInlineSnapshot(`
+    {
+      "code": 500,
+      "message": "internal server error",
+      "status": "failed",
+    }
+  `);
+});
+
+test("readonly literal discriminator", () => {
+  const discUnion = z.discriminatedUnion("type", [
+    z.object({ type: z.literal("a").readonly(), a: z.string() }),
+    z.object({ type: z.literal("b"), b: z.number() }),
+  ]);
+
+  // Test that both discriminator values are correctly included in propValues
+  const propValues = discUnion._zod.propValues;
+  expect(propValues?.type?.has("a")).toBe(true);
+  expect(propValues?.type?.has("b")).toBe(true);
+
+  // Test that the discriminated union works correctly
+  const result1 = discUnion.parse({ type: "a", a: "hello" });
+  expect(result1).toEqual({ type: "a", a: "hello" });
+
+  const result2 = discUnion.parse({ type: "b", b: 42 });
+  expect(result2).toEqual({ type: "b", b: 42 });
+
+  // Test that invalid discriminator values are rejected
+  expect(() => {
+    discUnion.parse({ type: "c", a: "hello" });
+  }).toThrow();
+});
+
+test("pipes", () => {
+  const schema = z
+    .object({
+      type: z.literal("foo"),
+    })
+    .transform((s) => ({ ...s, v: 2 }));
+
+  expect(schema._zod.propValues).toMatchInlineSnapshot(`
+    {
+      "type": Set {
+        "foo",
+      },
+    }
+  `);
+
+  const schema2 = z.object({
+    type: z.literal("bar"),
+  });
+
+  const combinedSchema = z.discriminatedUnion("type", [schema, schema2], {
+    unionFallback: false,
+  });
+
+  combinedSchema.parse({
+    type: "foo",
+    v: 2,
+  });
+});
+
+test("def", () => {
+  const schema = z.discriminatedUnion(
+    "type",
+    [z.object({ type: z.literal("play") }), z.object({ type: z.literal("pause") })],
+    { unionFallback: true }
+  );
+
+  expect(schema.def).toBeDefined();
+  expect(schema.def.discriminator).toEqual("type");
+  expect(schema.def.unionFallback).toEqual(true);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/enum.test.ts

@@ -0,0 +1,285 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+test("enum from string array", () => {
+  const MyEnum = z.enum(["Red", "Green", "Blue"]);
+  expect(MyEnum.enum.Red).toEqual("Red");
+
+  type MyEnum = z.infer<typeof MyEnum>;
+  expectTypeOf<MyEnum>().toEqualTypeOf<"Red" | "Green" | "Blue">();
+});
+
+test("enum from const object", () => {
+  const Fruits: { Apple: "apple"; Banana: "banana" } = {
+    Apple: "apple",
+    Banana: "banana",
+  };
+  const fruitEnum = z.nativeEnum(Fruits);
+  type fruitEnum = z.infer<typeof fruitEnum>;
+  fruitEnum.parse("apple");
+  fruitEnum.parse("banana");
+  fruitEnum.parse(Fruits.Apple);
+  fruitEnum.parse(Fruits.Banana);
+  expectTypeOf<fruitEnum>().toEqualTypeOf<"apple" | "banana">();
+});
+
+test("enum from native enum", () => {
+  enum Fruits {
+    Apple = "apple",
+    Banana = "banana",
+    Orange = 3,
+  }
+  // @ts-ignore
+  const fruitEnum = z.nativeEnum(Fruits);
+  type fruitEnum = z.infer<typeof fruitEnum>;
+  fruitEnum.parse("apple");
+  fruitEnum.parse("banana");
+  fruitEnum.parse(Fruits.Apple);
+  fruitEnum.parse(Fruits.Banana);
+
+  expect(fruitEnum.safeParse("Apple").success).toEqual(false);
+  expect(fruitEnum.safeParse("Cantaloupe").success).toEqual(false);
+
+  expectTypeOf<fruitEnum>().toMatchTypeOf<Fruits>();
+  expectTypeOf<Fruits>().toMatchTypeOf<fruitEnum>();
+});
+
+test("enum from native enum with numeric keys", () => {
+  const FruitValues = {
+    Apple: 10,
+    Banana: 20,
+    // @ts-ignore
+  } as const;
+  const fruitEnum = z.nativeEnum(FruitValues);
+  type fruitEnum = z.infer<typeof fruitEnum>;
+  fruitEnum.parse(10);
+  fruitEnum.parse(20);
+  fruitEnum.parse(FruitValues.Apple);
+  fruitEnum.parse(FruitValues.Banana);
+  expectTypeOf<fruitEnum>().toEqualTypeOf<10 | 20>();
+});
+
+test("issue metadata", () => {
+  const schema = z.enum(["Red", "Green", "Blue"]);
+  const result = schema.safeParse("Yellow");
+  expect(result.error!.issues[0]).toMatchInlineSnapshot(`
+    {
+      "code": "invalid_value",
+      "message": "Invalid option: expected one of "Red"|"Green"|"Blue"",
+      "path": [],
+      "values": [
+        "Red",
+        "Green",
+        "Blue",
+      ],
+    }
+  `);
+});
+
+test("enum from non-const inputs", () => {
+  const foods = ["Pasta", "Pizza", "Tacos", "Burgers", "Salad"];
+  const FoodEnum = z.enum(foods);
+
+  expectTypeOf<z.infer<typeof FoodEnum>>().toEqualTypeOf<string>();
+  expect(FoodEnum.safeParse("Pasta").success).toEqual(true);
+  expect(FoodEnum.safeParse("Cucumbers").success).toEqual(false);
+});
+
+test("get options", () => {
+  expect(z.enum(["tuna", "trout"]).options).toEqual(["tuna", "trout"]);
+});
+
+test("readonly enum", () => {
+  const HTTP_SUCCESS = ["200", "201"] as const;
+  const arg = z.enum(HTTP_SUCCESS);
+  type arg = z.infer<typeof arg>;
+  expectTypeOf<arg>().toEqualTypeOf<"200" | "201">();
+
+  arg.parse("201");
+  expect(() => arg.parse("202")).toThrow();
+});
+
+test("error map", () => {
+  const result = z
+    .enum(["test"], { error: (iss) => (iss.input === undefined ? "REQUIRED" : undefined) })
+    .safeParse(undefined);
+  expect(result.success).toEqual(false);
+  if (!result.success) {
+    expect(result.error.issues[0].message).toEqual("REQUIRED");
+  }
+});
+
+test("type signatures", () => {
+  const a = z.enum(["a", "b", "c"]);
+  const b = z.enum(a.options);
+  expectTypeOf(a).toEqualTypeOf(b);
+
+  const c = z.enum({ a: 1, b: 2 } as const);
+  expectTypeOf(c.enum).toEqualTypeOf<{
+    readonly a: 1;
+    readonly b: 2;
+  }>();
+
+  enum Fruit {
+    Apple = "apple",
+    Banana = "banana",
+    Orange = "orange",
+  }
+  const d = z.enum(Fruit);
+  expectTypeOf(d.enum).toEqualTypeOf(Fruit);
+
+  const e = z.enum({ a: 1, b: 2 });
+  expectTypeOf(e.enum).toEqualTypeOf<{
+    readonly a: 1;
+    readonly b: 2;
+  }>();
+});
+
+test("extract", () => {
+  const foods = ["Pasta", "Pizza", "Tacos", "Burgers", "Salad"] as const;
+  const FoodEnum = z.enum(foods);
+  const ItalianEnum = FoodEnum.extract(["Pasta", "Pizza"]);
+
+  expect(ItalianEnum.safeParse("Pasta").success).toEqual(true);
+  expect(ItalianEnum.safeParse("Tacos").success).toEqual(false);
+
+  expectTypeOf<z.infer<typeof ItalianEnum>>().toEqualTypeOf<"Pasta" | "Pizza">();
+});
+
+test("exclude", () => {
+  const foods = ["Pasta", "Pizza", "Tacos", "Burgers", "Salad"] as const;
+  const FoodEnum = z.enum(foods);
+  const UnhealthyEnum = FoodEnum.exclude(["Salad"]);
+
+  expect(UnhealthyEnum.safeParse("Pasta").success).toEqual(true);
+  expect(UnhealthyEnum.safeParse("Salad").success).toEqual(false);
+  expectTypeOf<z.infer<typeof UnhealthyEnum>>().toEqualTypeOf<"Pasta" | "Pizza" | "Tacos" | "Burgers">();
+
+  const EmptyFoodEnum = FoodEnum.exclude(foods);
+  expectTypeOf<typeof EmptyFoodEnum>().toEqualTypeOf<z.ZodEnum<{}>>();
+  expectTypeOf<z.infer<typeof EmptyFoodEnum>>().toEqualTypeOf<never>();
+});
+
+test("error map inheritance", () => {
+  const foods = ["Pasta", "Pizza", "Tacos", "Burgers", "Salad"] as const;
+  const FoodEnum = z.enum(foods, { error: () => "This is not food!" });
+  const ItalianEnum = FoodEnum.extract(["Pasta", "Pizza"]);
+
+  const foodsError = FoodEnum.safeParse("Cucumbers");
+  const italianError = ItalianEnum.safeParse("Tacos");
+
+  expect(foodsError.error!.issues[0].message).toEqual(italianError.error!.issues[0].message);
+
+  const UnhealthyEnum = FoodEnum.exclude(["Salad"], {
+    error: () => ({ message: "This is not healthy food!" }),
+  });
+  const unhealthyError = UnhealthyEnum.safeParse("Salad");
+  if (!unhealthyError.success) {
+    expect(unhealthyError.error.issues[0].message).toEqual("This is not healthy food!");
+  }
+});
+
+test("readonly in ZodEnumDef", () => {
+  type _a = z.ZodEnum<{ readonly a: "a"; readonly b: "b" }>;
+  type _b = z.ZodEnum<{ a: "a"; b: "b" }>;
+});
+
+test("enum error message, invalid enum elementstring", () => {
+  const result = z.enum(["Tuna", "Trout"]).safeParse("Salmon");
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues.length).toEqual(1);
+
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "invalid_value",
+        "values": [
+          "Tuna",
+          "Trout"
+        ],
+        "path": [],
+        "message": "Invalid option: expected one of \\"Tuna\\"|\\"Trout\\""
+      }
+    ]]
+  `);
+});
+
+test("enum error message, invalid type", () => {
+  const result = z.enum(["Tuna", "Trout"]).safeParse(12);
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues.length).toEqual(1);
+  // expect(result.error!.issues[0].message).toEqual('Invalid input: expected one of "Tuna"|"Trout"');
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "invalid_value",
+        "values": [
+          "Tuna",
+          "Trout"
+        ],
+        "path": [],
+        "message": "Invalid option: expected one of \\"Tuna\\"|\\"Trout\\""
+      }
+    ]]
+  `);
+});
+
+test("nativeEnum default error message", () => {
+  enum Fish {
+    Tuna = "Tuna",
+    Trout = "Trout",
+  }
+  const result = z.nativeEnum(Fish).safeParse("Salmon");
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues.length).toEqual(1);
+  // expect(result.error!.issues[0].message).toEqual('Invalid input: expected one of "Tuna"|"Trout"');
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "invalid_value",
+        "values": [
+          "Tuna",
+          "Trout"
+        ],
+        "path": [],
+        "message": "Invalid option: expected one of \\"Tuna\\"|\\"Trout\\""
+      }
+    ]]
+  `);
+});
+
+test("enum with message returns the custom error message", () => {
+  const schema = z.enum(["apple", "banana"], {
+    message: "the value provided is invalid",
+  });
+
+  const result1 = schema.safeParse("berries");
+  expect(result1.success).toEqual(false);
+  if (!result1.success) {
+    expect(result1.error.issues[0].message).toEqual("the value provided is invalid");
+  }
+
+  const result2 = schema.safeParse(undefined);
+  expect(result2.success).toEqual(false);
+  if (!result2.success) {
+    expect(result2.error.issues[0].message).toEqual("the value provided is invalid");
+  }
+
+  const result3 = schema.safeParse("banana");
+  expect(result3.success).toEqual(true);
+
+  const result4 = schema.safeParse(null);
+  expect(result4.success).toEqual(false);
+  if (!result4.success) {
+    expect(result4.error.issues[0].message).toEqual("the value provided is invalid");
+  }
+});
+
+test("enum with diagonal keys", () => {
+  const schema_02 = z.enum({
+    A: 1,
+    B: "A",
+  });
+
+  expect(schema_02.safeParse("A")).toMatchObject({ success: true });
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/error-utils.test.ts

@@ -0,0 +1,595 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+declare const iss: z.core.$ZodIssueCode;
+
+const Test = z.object({
+  f1: z.number(),
+  f2: z.string().optional(),
+  f3: z.string().nullable(),
+  f4: z.array(z.object({ t: z.union([z.string(), z.boolean()]) })),
+});
+// type TestFlattenedErrors = core.inferFlattenedErrors<typeof Test, { message: string; code: number }>;
+// type TestFormErrors = core.inferFlattenedErrors<typeof Test>;
+const parsed = Test.safeParse({});
+
+test("regular error", () => {
+  expect(parsed).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "number",
+        "code": "invalid_type",
+        "path": [
+          "f1"
+        ],
+        "message": "Invalid input: expected number, received undefined"
+      },
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "f3"
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      },
+      {
+        "expected": "array",
+        "code": "invalid_type",
+        "path": [
+          "f4"
+        ],
+        "message": "Invalid input: expected array, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test(".flatten()", () => {
+  const flattened = parsed.error!.flatten();
+  // flattened.
+  expectTypeOf(flattened).toMatchTypeOf<{
+    formErrors: string[];
+    fieldErrors: {
+      f2?: string[];
+      f1?: string[];
+      f3?: string[];
+      f4?: string[];
+    };
+  }>();
+
+  expect(flattened).toMatchInlineSnapshot(`
+    {
+      "fieldErrors": {
+        "f1": [
+          "Invalid input: expected number, received undefined",
+        ],
+        "f3": [
+          "Invalid input: expected string, received undefined",
+        ],
+        "f4": [
+          "Invalid input: expected array, received undefined",
+        ],
+      },
+      "formErrors": [],
+    }
+  `);
+});
+
+test("custom .flatten()", () => {
+  type ErrorType = { message: string; code: number };
+  const flattened = parsed.error!.flatten((iss) => ({ message: iss.message, code: 1234 }));
+  expectTypeOf(flattened).toMatchTypeOf<{
+    formErrors: ErrorType[];
+    fieldErrors: {
+      f2?: ErrorType[];
+      f1?: ErrorType[];
+      f3?: ErrorType[];
+      f4?: ErrorType[];
+    };
+  }>();
+
+  expect(flattened).toMatchInlineSnapshot(`
+    {
+      "fieldErrors": {
+        "f1": [
+          {
+            "code": 1234,
+            "message": "Invalid input: expected number, received undefined",
+          },
+        ],
+        "f3": [
+          {
+            "code": 1234,
+            "message": "Invalid input: expected string, received undefined",
+          },
+        ],
+        "f4": [
+          {
+            "code": 1234,
+            "message": "Invalid input: expected array, received undefined",
+          },
+        ],
+      },
+      "formErrors": [],
+    }
+  `);
+});
+
+test(".format()", () => {
+  const formatted = parsed.error!.format();
+  expectTypeOf(formatted).toMatchTypeOf<{
+    _errors: string[];
+    f2?: { _errors: string[] };
+    f1?: { _errors: string[] };
+    f3?: { _errors: string[] };
+    f4?: {
+      [x: number]: {
+        _errors: string[];
+        t?: {
+          _errors: string[];
+        };
+      };
+      _errors: string[];
+    };
+  }>();
+
+  expect(formatted).toMatchInlineSnapshot(`
+    {
+      "_errors": [],
+      "f1": {
+        "_errors": [
+          "Invalid input: expected number, received undefined",
+        ],
+      },
+      "f3": {
+        "_errors": [
+          "Invalid input: expected string, received undefined",
+        ],
+      },
+      "f4": {
+        "_errors": [
+          "Invalid input: expected array, received undefined",
+        ],
+      },
+    }
+  `);
+});
+
+test("custom .format()", () => {
+  type ErrorType = { message: string; code: number };
+  const formatted = parsed.error!.format((iss) => ({ message: iss.message, code: 1234 }));
+  expectTypeOf(formatted).toMatchTypeOf<{
+    _errors: ErrorType[];
+    f2?: { _errors: ErrorType[] };
+    f1?: { _errors: ErrorType[] };
+    f3?: { _errors: ErrorType[] };
+    f4?: {
+      [x: number]: {
+        _errors: ErrorType[];
+        t?: {
+          _errors: ErrorType[];
+        };
+      };
+      _errors: ErrorType[];
+    };
+  }>();
+
+  expect(formatted).toMatchInlineSnapshot(`
+    {
+      "_errors": [],
+      "f1": {
+        "_errors": [
+          {
+            "code": 1234,
+            "message": "Invalid input: expected number, received undefined",
+          },
+        ],
+      },
+      "f3": {
+        "_errors": [
+          {
+            "code": 1234,
+            "message": "Invalid input: expected string, received undefined",
+          },
+        ],
+      },
+      "f4": {
+        "_errors": [
+          {
+            "code": 1234,
+            "message": "Invalid input: expected array, received undefined",
+          },
+        ],
+      },
+    }
+  `);
+});
+
+test("all errors", () => {
+  const propertySchema = z.string();
+  const schema = z
+    .object({
+      a: propertySchema,
+      b: propertySchema,
+    })
+    .refine(
+      (val) => {
+        return val.a === val.b;
+      },
+      { message: "Must be equal" }
+    );
+
+  const r1 = schema.safeParse({
+    a: "asdf",
+    b: "qwer",
+  });
+
+  expect(z.core.flattenError(r1.error!)).toEqual({
+    formErrors: ["Must be equal"],
+    fieldErrors: {},
+  });
+
+  const r2 = schema.safeParse({
+    a: null,
+    b: null,
+  });
+
+  // const error = _error as z.ZodError;
+  expect(z.core.flattenError(r2.error!)).toMatchInlineSnapshot(`
+    {
+      "fieldErrors": {
+        "a": [
+          "Invalid input: expected string, received null",
+        ],
+        "b": [
+          "Invalid input: expected string, received null",
+        ],
+      },
+      "formErrors": [],
+    }
+  `);
+
+  expect(z.core.flattenError(r2.error!, (iss) => iss.message.toUpperCase())).toMatchInlineSnapshot(`
+    {
+      "fieldErrors": {
+        "a": [
+          "INVALID INPUT: EXPECTED STRING, RECEIVED NULL",
+        ],
+        "b": [
+          "INVALID INPUT: EXPECTED STRING, RECEIVED NULL",
+        ],
+      },
+      "formErrors": [],
+    }
+  `);
+  // Test identity
+
+  expect(z.core.flattenError(r2.error!, (i: z.ZodIssue) => i)).toMatchInlineSnapshot(`
+    {
+      "fieldErrors": {
+        "a": [
+          {
+            "code": "invalid_type",
+            "expected": "string",
+            "message": "Invalid input: expected string, received null",
+            "path": [
+              "a",
+            ],
+          },
+        ],
+        "b": [
+          {
+            "code": "invalid_type",
+            "expected": "string",
+            "message": "Invalid input: expected string, received null",
+            "path": [
+              "b",
+            ],
+          },
+        ],
+      },
+      "formErrors": [],
+    }
+  `);
+
+  // Test mapping
+  const f1 = z.core.flattenError(r2.error!, (i: z.ZodIssue) => i.message.length);
+  expect(f1).toMatchInlineSnapshot(`
+    {
+      "fieldErrors": {
+        "a": [
+          45,
+        ],
+        "b": [
+          45,
+        ],
+      },
+      "formErrors": [],
+    }
+  `);
+  // expect(f1.fieldErrors.a![0]).toEqual("Invalid input: expected string".length);
+  // expect(f1).toMatchObject({
+  //   formErrors: [],
+  //   fieldErrors: {
+  //     a: ["Invalid input: expected string".length],
+  //     b: ["Invalid input: expected string".length],
+  //   },
+  // });
+});
+
+const schema = z.strictObject({
+  username: z.string().brand<"username">(),
+  favoriteNumbers: z.array(z.number()),
+  nesting: z.object({
+    a: z.string(),
+  }),
+});
+const result = schema.safeParse({
+  username: 1234,
+  favoriteNumbers: [1234, "4567"],
+  nesting: {
+    a: 123,
+  },
+  extra: 1234,
+});
+
+const tree = z.treeifyError(result.error!);
+
+expectTypeOf(tree).toEqualTypeOf<{
+  errors: string[];
+  properties?: {
+    username?: {
+      errors: string[];
+    };
+    favoriteNumbers?: {
+      errors: string[];
+      items?: {
+        errors: string[];
+      }[];
+    };
+    nesting?: {
+      errors: string[];
+      properties?: {
+        a?: {
+          errors: string[];
+        };
+      };
+    };
+  };
+}>();
+
+test("z.treeifyError", () => {
+  expect(tree).toMatchInlineSnapshot(`
+    {
+      "errors": [
+        "Unrecognized key: "extra"",
+      ],
+      "properties": {
+        "favoriteNumbers": {
+          "errors": [],
+          "items": [
+            ,
+            {
+              "errors": [
+                "Invalid input: expected number, received string",
+              ],
+            },
+          ],
+        },
+        "nesting": {
+          "errors": [],
+          "properties": {
+            "a": {
+              "errors": [
+                "Invalid input: expected string, received number",
+              ],
+            },
+          },
+        },
+        "username": {
+          "errors": [
+            "Invalid input: expected string, received number",
+          ],
+        },
+      },
+    }
+  `);
+});
+
+test("z.treeifyError 2", () => {
+  const schema = z.strictObject({
+    name: z.string(),
+    logLevel: z.union([z.string(), z.number()]),
+    env: z.literal(["production", "development"]),
+  });
+
+  const data = {
+    name: 1000,
+    logLevel: false,
+    extra: 1000,
+  };
+
+  const result = schema.safeParse(data);
+  const err = z.treeifyError(result.error!);
+  expect(err).toMatchInlineSnapshot(`
+    {
+      "errors": [
+        "Unrecognized key: "extra"",
+      ],
+      "properties": {
+        "env": {
+          "errors": [
+            "Invalid option: expected one of "production"|"development"",
+          ],
+        },
+        "logLevel": {
+          "errors": [
+            "Invalid input: expected string, received boolean",
+            "Invalid input: expected number, received boolean",
+          ],
+        },
+        "name": {
+          "errors": [
+            "Invalid input: expected string, received number",
+          ],
+        },
+      },
+    }
+  `);
+});
+
+test("z.prettifyError", () => {
+  expect(z.prettifyError(result.error!)).toMatchInlineSnapshot(`
+    "✖ Unrecognized key: "extra"
+    ✖ Invalid input: expected string, received number
+      → at username
+    ✖ Invalid input: expected number, received string
+      → at favoriteNumbers[1]
+    ✖ Invalid input: expected string, received number
+      → at nesting.a"
+  `);
+});
+
+test("z.toDotPath", () => {
+  expect(z.core.toDotPath(["a", "b", 0, "c"])).toMatchInlineSnapshot(`"a.b[0].c"`);
+
+  expect(z.core.toDotPath(["a", Symbol("b"), 0, "c"])).toMatchInlineSnapshot(`"a["Symbol(b)"][0].c"`);
+
+  // Test with periods in keys
+  expect(z.core.toDotPath(["user.name", "first.last"])).toMatchInlineSnapshot(`"["user.name"]["first.last"]"`);
+
+  // Test with special characters
+  expect(z.core.toDotPath(["user", "$special", Symbol("#symbol")])).toMatchInlineSnapshot(
+    `"user.$special["Symbol(#symbol)"]"`
+  );
+
+  // Test with dots and quotes
+  expect(z.core.toDotPath(["search", `query("foo.bar"="abc")`])).toMatchInlineSnapshot(
+    `"search["query(\\"foo.bar\\"=\\"abc\\")"]"`
+  );
+
+  // Test with newlines
+  expect(z.core.toDotPath(["search", `foo\nbar`])).toMatchInlineSnapshot(`"search["foo\\nbar"]"`);
+
+  // Test with empty strings
+  expect(z.core.toDotPath(["", "empty"])).toMatchInlineSnapshot(`".empty"`);
+
+  // Test with array indices
+  expect(z.core.toDotPath(["items", 0, 1, 2])).toMatchInlineSnapshot(`"items[0][1][2]"`);
+
+  // Test with mixed path elements
+  expect(z.core.toDotPath(["users", "user.config", 0, "settings.theme"])).toMatchInlineSnapshot(
+    `"users["user.config"][0]["settings.theme"]"`
+  );
+
+  // Test with square brackets in keys
+  expect(z.core.toDotPath(["data[0]", "value"])).toMatchInlineSnapshot(`"["data[0]"].value"`);
+
+  // Test with empty path
+  expect(z.core.toDotPath([])).toMatchInlineSnapshot(`""`);
+});
+
+test("inheritance", () => {
+  const e1 = new z.ZodError([]);
+  expect(e1).toBeInstanceOf(z.core.$ZodError);
+  expect(e1).toBeInstanceOf(z.ZodError);
+  // expect(e1).not.toBeInstanceOf(Error);
+
+  const e2 = new z.ZodRealError([]);
+  expect(e2).toBeInstanceOf(z.ZodError);
+  expect(e2).toBeInstanceOf(z.ZodRealError);
+  expect(e2).toBeInstanceOf(Error);
+});
+
+test("disc union treeify/format", () => {
+  const schema = z.discriminatedUnion(
+    "foo",
+    [
+      z.object({
+        foo: z.literal("x"),
+        x: z.string(),
+      }),
+      z.object({
+        foo: z.literal("y"),
+        y: z.string(),
+      }),
+    ],
+    {
+      error: "Invalid discriminator",
+    }
+  );
+
+  const error = schema.safeParse({ foo: "invalid" }).error;
+  expect(z.treeifyError(error!)).toMatchInlineSnapshot(`
+    {
+      "errors": [],
+      "properties": {
+        "foo": {
+          "errors": [
+            "Invalid discriminator",
+          ],
+        },
+      },
+    }
+  `);
+  expect(z.prettifyError(error!)).toMatchInlineSnapshot(`
+    "✖ Invalid discriminator
+      → at foo"
+  `);
+  expect(z.formatError(error!)).toMatchInlineSnapshot(`
+    {
+      "_errors": [],
+      "foo": {
+        "_errors": [
+          "Invalid discriminator",
+        ],
+      },
+    }
+  `);
+});
+
+test("update message after adding issues", () => {
+  const e = new z.ZodError([]);
+  e.addIssue({
+    code: "custom",
+    message: "message",
+    input: "asdf",
+    path: [],
+  });
+  expect(e.message).toMatchInlineSnapshot(`
+    "[
+      {
+        "code": "custom",
+        "message": "message",
+        "input": "asdf",
+        "path": []
+      }
+    ]"
+  `);
+
+  e.addIssue({
+    code: "custom",
+    message: "message",
+    input: "asdf",
+    path: [],
+  });
+  expect(e.message).toMatchInlineSnapshot(`
+    "[
+      {
+        "code": "custom",
+        "message": "message",
+        "input": "asdf",
+        "path": []
+      },
+      {
+        "code": "custom",
+        "message": "message",
+        "input": "asdf",
+        "path": []
+      }
+    ]"
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/error.test.ts

@@ -0,0 +1,711 @@
+import { inspect } from "node:util";
+import { expect, test } from "vitest";
+import * as z from "zod/v4";
+
+test("error creation", () => {
+  const err1 = new z.ZodError([]);
+
+  err1.issues.push({
+    code: "invalid_type",
+    expected: "object",
+    path: [],
+    message: "",
+    input: "adf",
+  });
+  err1.isEmpty;
+
+  const err2 = new z.ZodError(err1.issues);
+  const err3 = new z.ZodError([]);
+  err3.addIssues(err1.issues);
+  err3.addIssue(err1.issues[0]);
+  err1.message;
+  err2.message;
+  err3.message;
+});
+
+test("do not allow error and message together", () => {
+  expect(() =>
+    z.string().refine((_) => true, {
+      message: "override",
+      error: (iss) => (iss.input === undefined ? "asdf" : null),
+    })
+  ).toThrow();
+});
+
+const errorMap: z.ZodErrorMap = (issue) => {
+  if (issue.code === "invalid_type") {
+    if (issue.expected === "string") {
+      return { message: "bad type!" };
+    }
+  }
+  if (issue.code === "custom") {
+    return { message: `less-than-${issue.params?.minimum}` };
+  }
+  return undefined;
+};
+
+test("type error with custom error map", () => {
+  const result = z.string().safeParse(234, { error: errorMap });
+  expect(result.success).toBe(false);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [],
+        "message": "bad type!"
+      }
+    ]]
+  `);
+});
+
+test("refinement fail with params", () => {
+  const result = z
+    .number()
+    .refine((val) => val >= 3, {
+      params: { minimum: 3 },
+    })
+    .safeParse(2, { error: errorMap });
+  expect(result.success).toBe(false);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "params": {
+          "minimum": 3
+        },
+        "message": "less-than-3"
+      }
+    ]]
+  `);
+});
+
+test("hard coded error  with custom errormap", () => {
+  const result = z
+    .string()
+    .refine((val) => val.length > 12, {
+      params: { minimum: 13 },
+      message: "override",
+    })
+    .safeParse("asdf", { error: () => "contextual" });
+
+  expect(result.success).toBe(false);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "params": {
+          "minimum": 13
+        },
+        "message": "override"
+      }
+    ]]
+  `);
+});
+
+test("default error message", () => {
+  const result = z
+    .number()
+    .refine((x) => x > 3)
+    .safeParse(2);
+
+  expect(result.success).toBe(false);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]]
+  `);
+});
+
+test("override error in refine", () => {
+  const result = z
+    .number()
+    .refine((x) => x > 3, "override")
+    .safeParse(2);
+  expect(result.success).toBe(false);
+  expect(result.error!.issues.length).toEqual(1);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "override"
+      }
+    ]]
+  `);
+});
+
+test("override error in refinement", () => {
+  const result = z
+    .number()
+    .refine((x) => x > 3, {
+      message: "override",
+    })
+    .safeParse(2);
+  expect(result.success).toBe(false);
+  expect(result.error!.issues.length).toEqual(1);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "override"
+      }
+    ]]
+  `);
+});
+
+test("array minimum", () => {
+  let result = z.array(z.string()).min(3, "tooshort").safeParse(["asdf", "qwer"]);
+  expect(result.success).toBe(false);
+  expect(result.error!.issues[0].code).toEqual("too_small");
+  expect(result.error!.issues[0].message).toEqual("tooshort");
+
+  result = z.array(z.string()).min(3).safeParse(["asdf", "qwer"]);
+  expect(result.success).toBe(false);
+  expect(result.error!.issues[0].code).toEqual("too_small");
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "origin": "array",
+        "code": "too_small",
+        "minimum": 3,
+        "inclusive": true,
+        "path": [],
+        "message": "Too small: expected array to have >=3 items"
+      }
+    ]]
+  `);
+});
+
+test("literal bigint default error message", () => {
+  const result = z.literal(BigInt(12)).safeParse(BigInt(13));
+  expect(result.success).toBe(false);
+  expect(result.error!.issues.length).toEqual(1);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "invalid_value",
+        "values": [
+          "12"
+        ],
+        "path": [],
+        "message": "Invalid input: expected 12n"
+      }
+    ]]
+  `);
+});
+
+test("custom path in custom error map", () => {
+  const schema = z.object({
+    items: z.array(z.string()).refine((data) => data.length > 3, {
+      path: ["items-too-few"],
+    }),
+  });
+
+  const errorMap: z.ZodErrorMap = (issue) => {
+    expect((issue.path ?? []).length).toBe(2);
+    return { message: "doesnt matter" };
+  };
+  const result = schema.safeParse({ items: ["first"] }, { error: errorMap });
+  expect(result.success).toBe(false);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [
+          "items",
+          "items-too-few"
+        ],
+        "message": "doesnt matter"
+      }
+    ]]
+  `);
+});
+
+// test("error metadata from value", () => {
+//   const dynamicRefine = z.string().refine(
+//     (val) => val === val.toUpperCase(),
+//     (val) => ({ params: { val } })
+//   );
+
+//   const result = dynamicRefine.safeParse("asdf");
+//   expect(result.success).toEqual(false);
+//   if (!result.success) {
+//     const sub = result.error.issues[0];
+//     expect(result.error.issues[0].code).toEqual("custom");
+//     if (sub.code === "custom") {
+//       expect(sub.params?.val).toEqual("asdf");
+//     }
+//   }
+// });
+
+// test("don't call refine after validation failed", () => {
+//   const asdf = z
+//     .union([
+//       z.number(),
+//       z.string().transform(z.number(), (val) => {
+//         return parseFloat(val);
+//       }),
+//     ])
+//     .refine((v) => v >= 1);
+
+//   expect(() => asdf.safeParse("foo")).not.toThrow();
+// });
+
+test("root level formatting", () => {
+  const schema = z.string().email();
+  const result = schema.safeParse("asdfsdf");
+  expect(result.success).toBe(false);
+
+  expect(result.error!.format()).toMatchInlineSnapshot(`
+    {
+      "_errors": [
+        "Invalid email address",
+      ],
+    }
+  `);
+});
+
+test("custom path", () => {
+  const schema = z
+    .object({
+      password: z.string(),
+      confirm: z.string(),
+    })
+    .refine((val) => val.confirm === val.password, { path: ["confirm"] });
+
+  const result = schema.safeParse({
+    password: "peanuts",
+    confirm: "qeanuts",
+  });
+
+  expect(result.success).toBe(false);
+  const error = result.error!.format();
+  expect(error._errors).toEqual([]);
+  expect(error.password?._errors).toEqual(undefined);
+  expect(error.confirm?._errors).toEqual(["Invalid input"]);
+});
+
+test("custom path", () => {
+  const schema = z
+    .object({
+      password: z.string().min(6),
+      confirm: z.string().min(6),
+    })
+    .refine((val) => val.confirm === val.password);
+
+  const result = schema.safeParse({
+    password: "qwer",
+    confirm: "asdf",
+  });
+
+  expect(result.success).toBe(false);
+  expect(result.error!.issues.length).toEqual(3);
+});
+
+const schema = z.object({
+  inner: z.object({
+    name: z
+      .string()
+      .refine((val) => val.length > 5)
+      .array()
+      .refine((val) => val.length <= 1),
+  }),
+});
+
+test("no abort early on refinements", () => {
+  const invalidItem = {
+    inner: { name: ["aasd", "asdfasdfasfd"] },
+  };
+
+  const result1 = schema.safeParse(invalidItem);
+  expect(result1.success).toBe(false);
+  expect(result1.error!.issues.length).toEqual(2);
+});
+
+test("detect issue with input fallback", () => {
+  const schema = z
+    .string()
+    .transform((val) => val.length)
+    .refine(() => false, { message: "always fails" })
+    .refine(
+      (val) => {
+        if (typeof val !== "number") throw new Error();
+        return (val ^ 2) > 10;
+      } // should be number but it's a string
+    );
+  expect(() => schema.parse("hello")).toThrow(z.ZodError);
+});
+
+test("formatting", () => {
+  const invalidItem = {
+    inner: { name: ["aasd", "asdfasdfasfd"] },
+  };
+  const invalidArray = {
+    inner: { name: ["asdfasdf", "asdfasdfasfd"] },
+  };
+  const result1 = schema.safeParse(invalidItem);
+  const result2 = schema.safeParse(invalidArray);
+
+  expect(result1.success).toBe(false);
+  expect(result2.success).toBe(false);
+  const error1 = result1.error!.format();
+  expect(error1._errors).toEqual([]);
+  expect(error1.inner?._errors).toEqual([]);
+  expect(error1.inner?.name?.[1]).toEqual(undefined);
+
+  type FormattedError = z.inferFormattedError<typeof schema>;
+  const error2: FormattedError = result2.error!.format();
+  expect(error2._errors).toEqual([]);
+  expect(error2.inner?._errors).toEqual([]);
+  expect(error2.inner?.name?._errors).toEqual(["Invalid input"]);
+  expect(error2.inner?.name?.[0]).toEqual(undefined);
+  expect(error2.inner?.name?.[1]).toEqual(undefined);
+  expect(error2.inner?.name?.[2]).toEqual(undefined);
+
+  // test custom mapper
+  type FormattedErrorWithNumber = z.inferFormattedError<typeof schema, number>;
+  const errorWithNumber: FormattedErrorWithNumber = result2.error!.format(() => 5);
+  expect(errorWithNumber._errors).toEqual([]);
+  expect(errorWithNumber.inner?._errors).toEqual([]);
+  expect(errorWithNumber.inner?.name?._errors).toEqual([5]);
+});
+
+test("formatting with nullable and optional fields", () => {
+  const nameSchema = z.string().refine((val) => val.length > 5);
+  const schema = z.object({
+    nullableObject: z.object({ name: nameSchema }).nullable(),
+    nullableArray: z.array(nameSchema).nullable(),
+    nullableTuple: z.tuple([nameSchema, nameSchema, z.number()]).nullable(),
+    optionalObject: z.object({ name: nameSchema }).optional(),
+    optionalArray: z.array(nameSchema).optional(),
+    optionalTuple: z.tuple([nameSchema, nameSchema, z.number()]).optional(),
+  });
+  const invalidItem = {
+    nullableObject: { name: "abcd" },
+    nullableArray: ["abcd"],
+    nullableTuple: ["abcd", "abcd", 1],
+    optionalObject: { name: "abcd" },
+    optionalArray: ["abcd"],
+    optionalTuple: ["abcd", "abcd", 1],
+  };
+  const result = schema.safeParse(invalidItem);
+  expect(result.success).toBe(false);
+  const error: z.inferFormattedError<typeof schema> = result.error!.format();
+  expect(error._errors).toEqual([]);
+  expect(error.nullableObject?._errors).toEqual([]);
+  expect(error.nullableObject?.name?._errors).toEqual(["Invalid input"]);
+  expect(error.nullableArray?._errors).toEqual([]);
+  expect(error.nullableArray?.[0]?._errors).toEqual(["Invalid input"]);
+  expect(error.nullableTuple?._errors).toEqual([]);
+  expect(error.nullableTuple?.[0]?._errors).toEqual(["Invalid input"]);
+  expect(error.nullableTuple?.[1]?._errors).toEqual(["Invalid input"]);
+  expect(error.optionalObject?._errors).toEqual([]);
+  expect(error.optionalObject?.name?._errors).toEqual(["Invalid input"]);
+  expect(error.optionalArray?._errors).toEqual([]);
+  expect(error.optionalArray?.[0]?._errors).toEqual(["Invalid input"]);
+  expect(error.optionalTuple?._errors).toEqual([]);
+  expect(error.optionalTuple?.[0]?._errors).toEqual(["Invalid input"]);
+  expect(error.optionalTuple?.[1]?._errors).toEqual(["Invalid input"]);
+
+  expect(error).toMatchInlineSnapshot(`
+    {
+      "_errors": [],
+      "nullableArray": {
+        "0": {
+          "_errors": [
+            "Invalid input",
+          ],
+        },
+        "_errors": [],
+      },
+      "nullableObject": {
+        "_errors": [],
+        "name": {
+          "_errors": [
+            "Invalid input",
+          ],
+        },
+      },
+      "nullableTuple": {
+        "0": {
+          "_errors": [
+            "Invalid input",
+          ],
+        },
+        "1": {
+          "_errors": [
+            "Invalid input",
+          ],
+        },
+        "_errors": [],
+      },
+      "optionalArray": {
+        "0": {
+          "_errors": [
+            "Invalid input",
+          ],
+        },
+        "_errors": [],
+      },
+      "optionalObject": {
+        "_errors": [],
+        "name": {
+          "_errors": [
+            "Invalid input",
+          ],
+        },
+      },
+      "optionalTuple": {
+        "0": {
+          "_errors": [
+            "Invalid input",
+          ],
+        },
+        "1": {
+          "_errors": [
+            "Invalid input",
+          ],
+        },
+        "_errors": [],
+      },
+    }
+  `);
+});
+
+test("inferFlattenedErrors", () => {
+  const schemaWithTransform = z.object({ foo: z.string() }).transform((o) => ({ bar: o.foo }));
+
+  const result = schemaWithTransform.safeParse({});
+
+  expect(result.success).toBe(false);
+  type ValidationErrors = z.inferFlattenedErrors<typeof schemaWithTransform>;
+  const error: ValidationErrors = result.error!.flatten();
+  expect(error).toMatchInlineSnapshot(`
+    {
+      "fieldErrors": {
+        "foo": [
+          "Invalid input: expected string, received undefined",
+        ],
+      },
+      "formErrors": [],
+    }
+  `);
+});
+
+const stringWithCustomError = z.string({
+  error: () => "bound",
+});
+
+test("schema-bound error map", () => {
+  const result = stringWithCustomError.safeParse(1234);
+  expect(result.success).toBe(false);
+  expect(result.error!.issues[0].message).toEqual("bound");
+});
+
+test("bound error map overrides contextual", () => {
+  // support contextual override
+  const result = stringWithCustomError.safeParse(undefined, {
+    error: () => ({ message: "override" }),
+  });
+  expect(result.success).toBe(false);
+  expect(result.error!.issues[0].message).toEqual("bound");
+});
+
+test("z.config customError ", () => {
+  // support overrideErrorMap
+
+  z.config({ customError: () => ({ message: "override" }) });
+  const result = stringWithCustomError.min(10).safeParse("tooshort");
+  expect(result.success).toBe(false);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "origin": "string",
+        "code": "too_small",
+        "minimum": 10,
+        "inclusive": true,
+        "path": [],
+        "message": "override"
+      }
+    ]]
+  `);
+  expect(result.error!.issues[0].message).toEqual("override");
+  z.config({ customError: undefined });
+});
+
+// test("invalid and required", () => {
+//   const str = z.string({
+//     invalid_type_error: "Invalid name",
+//     required_error: "Name is required",
+//   });
+//   const result1 = str.safeParse(1234);
+//   expect(result1.success).toBe(false);
+//   if (!result1.success) {
+//     expect(result1.error.issues[0].message).toEqual("Invalid name");
+//   }
+//   const result2 = str.safeParse(undefined);
+//   expect(result2.success).toBe(false);
+//   if (!result2.success) {
+//     expect(result2.error.issues[0].message).toEqual("Name is required");
+//   }
+// });
+
+// test("Fallback to default required error", () => {
+//   const str = z.string({
+//     invalid_type_error: "Invalid name",
+//     // required_error: "Name is required",
+//   });
+
+//   const result2 = str.safeParse(undefined);
+//   expect(result2.success).toBe(false);
+//   if (!result2.success) {
+//     expect(result2.error.issues[0].message).toEqual("Required");
+//   }
+// });
+
+// test("invalid and required and errorMap", () => {
+//   expect(() => {
+//     return z.string({
+//       invalid_type_error: "Invalid name",
+//       required_error: "Name is required",
+//       errorMap: () => ({ message: "override" }),
+//     });
+//   }).toThrow();
+// });
+
+// test("strict error message", () => {
+//   const errorMsg = "Invalid object";
+//   const obj = z.object({ x: z.string() }).strict(errorMsg);
+//   const result = obj.safeParse({ x: "a", y: "b" });
+//   expect(result.success).toBe(false);
+//   if (!result.success) {
+//     expect(result.error.issues[0].message).toEqual(errorMsg);
+//   }
+// });
+
+test("empty string error message", () => {
+  const schema = z.string().max(1, { message: "" });
+  const result = schema.safeParse("asdf");
+  expect(result.success).toBe(false);
+  expect(result.error!.issues[0].message).toEqual("");
+});
+
+test("dont short circuit on continuable errors", () => {
+  const user = z
+    .object({
+      password: z.string().min(6),
+      confirm: z.string(),
+    })
+    .refine((data) => data.password === data.confirm, {
+      message: "Passwords don't match",
+      path: ["confirm"],
+    });
+  const result = user.safeParse({ password: "asdf", confirm: "qwer" });
+  expect(result.success).toBe(false);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "origin": "string",
+        "code": "too_small",
+        "minimum": 6,
+        "inclusive": true,
+        "path": [
+          "password"
+        ],
+        "message": "Too small: expected string to have >=6 characters"
+      },
+      {
+        "code": "custom",
+        "path": [
+          "confirm"
+        ],
+        "message": "Passwords don't match"
+      }
+    ]]
+  `);
+  // expect(result.error!.issues.length).toEqual(2);
+});
+
+test("string error params", () => {
+  const a = z.string("Bad!");
+  expect(a.safeParse(123).error!.issues[0].message).toBe("Bad!");
+
+  const b = z.string().min(5, "Too short!");
+  expect(b.safeParse("abc").error!.issues[0].message).toBe("Too short!");
+
+  const c = z.uuid("Bad UUID!");
+  expect(c.safeParse("not-a-uuid").error!.issues[0].message).toBe("Bad UUID!");
+
+  const d = z.string().datetime({ message: "Bad date!" });
+  expect(d.safeParse("not-a-date").error!.issues[0].message).toBe("Bad date!");
+
+  const e = z.array(z.string(), "Bad array!");
+  expect(e.safeParse("not-an-array").error!.issues[0].message).toBe("Bad array!");
+
+  const f = z.array(z.string()).min(5, "Too few items!");
+  expect(f.safeParse(["a", "b"]).error!.issues[0].message).toBe("Too few items!");
+
+  const g = z.set(z.string(), "Bad set!");
+  expect(g.safeParse("not-a-set").error!.issues[0].message).toBe("Bad set!");
+
+  const h = z.array(z.string(), "Bad array!");
+  expect(h.safeParse(123).error!.issues[0].message).toBe("Bad array!");
+
+  const i = z.set(z.string(), "Bad set!");
+  expect(i.safeParse(123).error!.issues[0].message).toBe("Bad set!");
+
+  const j = z.array(z.string(), "Bad array!");
+  expect(j.safeParse(null).error!.issues[0].message).toBe("Bad array!");
+});
+
+test("error inheritance", () => {
+  const e1 = z.string().safeParse(123).error!;
+  expect(e1).toBeInstanceOf(z.core.$ZodError);
+  expect(e1).toBeInstanceOf(z.ZodError);
+  expect(e1).toBeInstanceOf(z.ZodRealError);
+  // expect(e1).not.toBeInstanceOf(Error);
+
+  try {
+    z.string().parse(123);
+  } catch (e2) {
+    expect(e1).toBeInstanceOf(z.core.$ZodError);
+    expect(e2).toBeInstanceOf(z.ZodError);
+    expect(e2).toBeInstanceOf(z.ZodRealError);
+    // expect(e2).toBeInstanceOf(Error);
+  }
+});
+
+test("error serialization", () => {
+  try {
+    z.string().parse(123);
+  } catch (e) {
+    expect(e).toMatchInlineSnapshot(`
+      [ZodError: [
+        {
+          "expected": "string",
+          "code": "invalid_type",
+          "path": [],
+          "message": "Invalid input: expected string, received number"
+        }
+      ]]
+    `);
+    expect(inspect(e).split("\n").slice(0, 8).join("\n")).toMatchInlineSnapshot(`
+      "ZodError: [
+        {
+          "expected": "string",
+          "code": "invalid_type",
+          "path": [],
+          "message": "Invalid input: expected string, received number"
+        }
+      ]"
+    `);
+  }
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/file.test.ts

@@ -0,0 +1,96 @@
+import { File as WebFile } from "@web-std/file";
+
+import { afterEach, beforeEach, expect, expectTypeOf, test } from "vitest";
+
+import * as z from "zod/v4";
+
+const minCheck = z.file().min(5);
+const maxCheck = z.file().max(8);
+const mimeCheck = z.file().mime(["text/plain", "application/json"]);
+
+const originalFile = global.File;
+beforeEach(async () => {
+  if (!globalThis.File) globalThis.File = WebFile;
+});
+afterEach(() => {
+  if (globalThis.File !== originalFile) {
+    globalThis.File = originalFile;
+  }
+});
+
+test("passing validations", () => {
+  minCheck.safeParse(new File(["12345"], "test.txt"));
+  maxCheck.safeParse(new File(["12345678"], "test.txt"));
+  mimeCheck.safeParse(new File([""], "test.csv", { type: "text/plain" }));
+  expect(() => mimeCheck.parse(new File([""], "test.txt"))).toThrow();
+  expect(() => mimeCheck.parse(new File([""], "test.txt", { type: "text/csv" }))).toThrow();
+});
+
+test("types", () => {
+  expectTypeOf(z.file().parse(new File([], "test.txt"))).toEqualTypeOf(new File([], "test.txt"));
+});
+
+test("failing validations", () => {
+  expect(minCheck.safeParse(new File(["1234"], "test.txt"))).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "origin": "file",
+        "code": "too_small",
+        "minimum": 5,
+        "inclusive": true,
+        "path": [],
+        "message": "Too small: expected file to have >=5 bytes"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(maxCheck.safeParse(new File(["123456789"], "test.txt"))).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "origin": "file",
+        "code": "too_big",
+        "maximum": 8,
+        "inclusive": true,
+        "path": [],
+        "message": "Too big: expected file to have <=8 bytes"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(mimeCheck.safeParse(new File([""], "test.csv"))).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_value",
+        "values": [
+          "text/plain",
+          "application/json"
+        ],
+        "path": [],
+        "message": "Invalid option: expected one of \\"text/plain\\"|\\"application/json\\""
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(mimeCheck.safeParse(new File([""], "test.csv", { type: "text/csv" }))).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_value",
+        "values": [
+          "text/plain",
+          "application/json"
+        ],
+        "path": [],
+        "message": "Invalid option: expected one of \\"text/plain\\"|\\"application/json\\""
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/firstparty.test.ts

@@ -0,0 +1,179 @@
+import { expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+import type * as core from "zod/v4/core";
+
+test("first party switch", () => {
+  const myType = z.string() as core.$ZodTypes;
+  const def = myType._zod.def;
+  switch (def.type) {
+    case "string":
+      break;
+    case "number":
+      break;
+    case "bigint":
+      break;
+    case "boolean":
+      break;
+    case "date":
+      break;
+    case "symbol":
+      break;
+    case "undefined":
+      break;
+    case "null":
+      break;
+    case "any":
+      break;
+    case "unknown":
+      break;
+    case "never":
+      break;
+    case "void":
+      break;
+    case "array":
+      break;
+    case "object":
+      break;
+    case "union":
+      break;
+    case "intersection":
+      break;
+    case "tuple":
+      break;
+    case "record":
+      break;
+    case "map":
+      break;
+    case "set":
+      break;
+    case "literal":
+      break;
+    case "enum":
+      break;
+    case "promise":
+      break;
+    case "optional":
+      break;
+    case "nonoptional":
+      break;
+    case "nullable":
+      break;
+    case "default":
+      break;
+    case "prefault":
+      break;
+    case "template_literal":
+      break;
+    case "custom":
+      break;
+    case "transform":
+      break;
+    case "readonly":
+      break;
+    case "nan":
+      break;
+    case "pipe":
+      break;
+    case "success":
+      break;
+    case "catch":
+      break;
+    case "file":
+      break;
+    case "lazy":
+      break;
+    case "function":
+      break;
+    default:
+      expectTypeOf(def).toEqualTypeOf<never>();
+  }
+});
+
+test("$ZodSchemaTypes", () => {
+  const type = "string" as core.$ZodTypeDef["type"];
+  switch (type) {
+    case "string":
+      break;
+    case "number":
+      break;
+    case "int":
+      break;
+    case "bigint":
+      break;
+    case "boolean":
+      break;
+    case "date":
+      break;
+    case "symbol":
+      break;
+    case "undefined":
+      break;
+    case "null":
+      break;
+    case "any":
+      break;
+    case "unknown":
+      break;
+    case "never":
+      break;
+    case "void":
+      break;
+    case "array":
+      break;
+    case "object":
+      break;
+    case "union":
+      break;
+    case "intersection":
+      break;
+    case "tuple":
+      break;
+    case "record":
+      break;
+    case "map":
+      break;
+    case "set":
+      break;
+    case "literal":
+      break;
+    case "enum":
+      break;
+    case "promise":
+      break;
+    case "optional":
+      break;
+    case "nonoptional":
+      break;
+    case "nullable":
+      break;
+    case "default":
+      break;
+    case "prefault":
+      break;
+    case "template_literal":
+      break;
+    case "custom":
+      break;
+    case "transform":
+      break;
+    case "readonly":
+      break;
+    case "nan":
+      break;
+    case "pipe":
+      break;
+    case "success":
+      break;
+    case "catch":
+      break;
+    case "file":
+      break;
+    case "lazy":
+      break;
+    case "function":
+      break;
+
+    default:
+      expectTypeOf(type).toEqualTypeOf<never>();
+  }
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/fix-json-issue.test.ts

@@ -0,0 +1,26 @@
+import { expect, test } from "vitest";
+import { type infer as _infer, json, nullable, object, pipe, transform } from "../../mini/index.js";
+// biome-ignore lint/correctness/noUnusedImports: This import verifies the type is exported
+import type { _ZodMiniJSONSchema } from "../../mini/schemas.js";
+
+const DataType = object({
+  data: json(),
+});
+type DataType = _infer<typeof DataType>;
+
+// biome-ignore lint/suspicious/noExportsInTest: This export is required to reproduce TS4023
+export const Container = object({
+  contained: pipe(
+    nullable(DataType),
+    transform<DataType | null>(
+      (v) =>
+        v ?? {
+          data: "",
+        }
+    )
+  ),
+});
+
+test("issue reproduction should compile without type errors", () => {
+  expect(Container).toBeDefined();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/from-json-schema.test.ts

@@ -0,0 +1,734 @@
+import { expect, test } from "vitest";
+import { fromJSONSchema } from "../from-json-schema.js";
+import * as z from "../index.js";
+
+test("basic string schema", () => {
+  const schema = fromJSONSchema({ type: "string" });
+  expect(schema.parse("hello")).toBe("hello");
+  expect(() => schema.parse(123)).toThrow();
+});
+
+test("string with constraints", () => {
+  const schema = fromJSONSchema({
+    type: "string",
+    minLength: 3,
+    maxLength: 10,
+    pattern: "^[a-z]+$",
+  });
+  expect(schema.parse("hello")).toBe("hello");
+  expect(schema.parse("helloworld")).toBe("helloworld"); // exactly 10 chars - valid
+  expect(() => schema.parse("hi")).toThrow(); // too short
+  expect(() => schema.parse("helloworld1")).toThrow(); // too long (11 chars)
+  expect(() => schema.parse("Hello")).toThrow(); // pattern mismatch
+});
+
+test("pattern is not implicitly anchored", () => {
+  // JSON Schema patterns match anywhere in the string, not just the full string
+  const schema = fromJSONSchema({
+    type: "string",
+    pattern: "foo",
+  });
+  expect(schema.parse("foo")).toBe("foo");
+  expect(schema.parse("foobar")).toBe("foobar"); // matches at start
+  expect(schema.parse("barfoo")).toBe("barfoo"); // matches at end
+  expect(schema.parse("barfoobar")).toBe("barfoobar"); // matches in middle
+  expect(() => schema.parse("bar")).toThrow(); // no match
+});
+
+test("number schema", () => {
+  const schema = fromJSONSchema({ type: "number" });
+  expect(schema.parse(42)).toBe(42);
+  expect(() => schema.parse("42")).toThrow();
+});
+
+test("number with constraints", () => {
+  const schema = fromJSONSchema({
+    type: "number",
+    minimum: 0,
+    maximum: 100,
+    multipleOf: 5,
+  });
+  expect(schema.parse(50)).toBe(50);
+  expect(() => schema.parse(-1)).toThrow();
+  expect(() => schema.parse(101)).toThrow();
+  expect(() => schema.parse(47)).toThrow(); // not multiple of 5
+});
+
+test("integer schema", () => {
+  const schema = fromJSONSchema({ type: "integer" });
+  expect(schema.parse(42)).toBe(42);
+  expect(() => schema.parse(42.5)).toThrow();
+});
+
+test("boolean schema", () => {
+  const schema = fromJSONSchema({ type: "boolean" });
+  expect(schema.parse(true)).toBe(true);
+  expect(schema.parse(false)).toBe(false);
+  expect(() => schema.parse("true")).toThrow();
+});
+
+test("null schema", () => {
+  const schema = fromJSONSchema({ type: "null" });
+  expect(schema.parse(null)).toBe(null);
+  expect(() => schema.parse(undefined)).toThrow();
+});
+
+test("object schema", () => {
+  const schema = fromJSONSchema({
+    type: "object",
+    properties: {
+      name: { type: "string" },
+      age: { type: "number" },
+    },
+    required: ["name"],
+  });
+  expect(schema.parse({ name: "John", age: 30 })).toEqual({ name: "John", age: 30 });
+  expect(schema.parse({ name: "John" })).toEqual({ name: "John" });
+  expect(() => schema.parse({ age: 30 })).toThrow(); // missing required
+});
+
+test("object with additionalProperties false", () => {
+  const schema = fromJSONSchema({
+    type: "object",
+    properties: {
+      name: { type: "string" },
+    },
+    additionalProperties: false,
+  });
+  expect(schema.parse({ name: "John" })).toEqual({ name: "John" });
+  expect(() => schema.parse({ name: "John", extra: "field" })).toThrow();
+});
+
+test("array schema", () => {
+  const schema = fromJSONSchema({
+    type: "array",
+    items: { type: "string" },
+  });
+  expect(schema.parse(["a", "b", "c"])).toEqual(["a", "b", "c"]);
+  expect(() => schema.parse([1, 2, 3])).toThrow();
+});
+
+test("array with constraints", () => {
+  const schema = fromJSONSchema({
+    type: "array",
+    items: { type: "number" },
+    minItems: 2,
+    maxItems: 4,
+  });
+  expect(schema.parse([1, 2])).toEqual([1, 2]);
+  expect(schema.parse([1, 2, 3, 4])).toEqual([1, 2, 3, 4]);
+  expect(() => schema.parse([1])).toThrow();
+  expect(() => schema.parse([1, 2, 3, 4, 5])).toThrow();
+});
+
+test("tuple with prefixItems (draft-2020-12)", () => {
+  const schema = fromJSONSchema({
+    $schema: "https://json-schema.org/draft/2020-12/schema",
+    type: "array",
+    prefixItems: [{ type: "string" }, { type: "number" }],
+  });
+  expect(schema.parse(["hello", 42])).toEqual(["hello", 42]);
+  expect(() => schema.parse(["hello"])).toThrow();
+  expect(() => schema.parse(["hello", "world"])).toThrow();
+});
+
+test("tuple with items array (draft-7)", () => {
+  const schema = fromJSONSchema({
+    $schema: "http://json-schema.org/draft-07/schema#",
+    type: "array",
+    items: [{ type: "string" }, { type: "number" }],
+    additionalItems: false,
+  });
+  expect(schema.parse(["hello", 42])).toEqual(["hello", 42]);
+  expect(() => schema.parse(["hello", 42, "extra"])).toThrow();
+});
+
+test("enum schema", () => {
+  const schema = fromJSONSchema({
+    enum: ["red", "green", "blue"],
+  });
+  expect(schema.parse("red")).toBe("red");
+  expect(() => schema.parse("yellow")).toThrow();
+});
+
+test("const schema", () => {
+  const schema = fromJSONSchema({
+    const: "hello",
+  });
+  expect(schema.parse("hello")).toBe("hello");
+  expect(() => schema.parse("world")).toThrow();
+});
+
+test("anyOf schema", () => {
+  const schema = fromJSONSchema({
+    anyOf: [{ type: "string" }, { type: "number" }],
+  });
+  expect(schema.parse("hello")).toBe("hello");
+  expect(schema.parse(42)).toBe(42);
+  expect(() => schema.parse(true)).toThrow();
+});
+
+test("allOf schema", () => {
+  const schema = fromJSONSchema({
+    allOf: [
+      { type: "object", properties: { name: { type: "string" } }, required: ["name"] },
+      { type: "object", properties: { age: { type: "number" } }, required: ["age"] },
+    ],
+  });
+  const result = schema.parse({ name: "John", age: 30 }) as { name: string; age: number };
+  expect(result.name).toBe("John");
+  expect(result.age).toBe(30);
+});
+
+test("allOf with empty array", () => {
+  // Empty allOf without explicit type returns any
+  const schema1 = fromJSONSchema({
+    allOf: [],
+  });
+  expect(schema1.parse("hello")).toBe("hello");
+  expect(schema1.parse(123)).toBe(123);
+  expect(schema1.parse({})).toEqual({});
+
+  // Empty allOf with explicit type returns base schema
+  const schema2 = fromJSONSchema({
+    type: "string",
+    allOf: [],
+  });
+  expect(schema2.parse("hello")).toBe("hello");
+  expect(() => schema2.parse(123)).toThrow();
+});
+
+test("oneOf schema (exclusive union)", () => {
+  const schema = fromJSONSchema({
+    oneOf: [{ type: "string" }, { type: "number" }],
+  });
+  expect(schema.parse("hello")).toBe("hello");
+  expect(schema.parse(42)).toBe(42);
+  expect(() => schema.parse(true)).toThrow();
+});
+
+test("type with anyOf creates intersection", () => {
+  // type: string AND (type:string,minLength:5 OR type:string,pattern:^a)
+  const schema = fromJSONSchema({
+    type: "string",
+    anyOf: [
+      { type: "string", minLength: 5 },
+      { type: "string", pattern: "^a" },
+    ],
+  });
+  // Should pass: string AND (minLength:5 OR pattern:^a) - matches minLength
+  expect(schema.parse("hello")).toBe("hello");
+  // Should pass: string AND (minLength:5 OR pattern:^a) - matches pattern
+  expect(schema.parse("abc")).toBe("abc");
+  // Should fail: string but neither minLength nor pattern match
+  expect(() => schema.parse("hi")).toThrow();
+  // Should fail: not a string
+  expect(() => schema.parse(123)).toThrow();
+});
+
+test("type with oneOf creates intersection", () => {
+  // type: string AND (exactly one of: type:string,minLength:5 OR type:string,pattern:^a)
+  const schema = fromJSONSchema({
+    type: "string",
+    oneOf: [
+      { type: "string", minLength: 5 },
+      { type: "string", pattern: "^a" },
+    ],
+  });
+  // Should pass: string AND minLength:5 (exactly one match - "hello" length 5 >= 5, doesn't start with 'a')
+  expect(schema.parse("hello")).toBe("hello");
+  // Should pass: string AND pattern:^a (exactly one match - "abc" starts with 'a', length 3 < 5)
+  expect(schema.parse("abc")).toBe("abc");
+  // Should fail: string but neither match
+  expect(() => schema.parse("hi")).toThrow();
+  // Should fail: not a string
+  expect(() => schema.parse(123)).toThrow();
+  // Should fail: matches both (length >= 5 AND starts with 'a') - exclusive union fails
+  expect(() => schema.parse("apple")).toThrow();
+});
+
+test("unevaluatedItems throws error", () => {
+  expect(() => {
+    fromJSONSchema({
+      type: "array",
+      unevaluatedItems: false,
+    });
+  }).toThrow("unevaluatedItems is not supported");
+});
+
+test("unevaluatedProperties throws error", () => {
+  expect(() => {
+    fromJSONSchema({
+      type: "object",
+      unevaluatedProperties: false,
+    });
+  }).toThrow("unevaluatedProperties is not supported");
+});
+
+test("if/then/else throws error", () => {
+  expect(() => {
+    fromJSONSchema({
+      if: { type: "string" },
+      then: { type: "number" },
+    });
+  }).toThrow("Conditional schemas");
+});
+
+test("external $ref throws error", () => {
+  expect(() => {
+    fromJSONSchema({
+      $ref: "https://example.com/schema#/definitions/User",
+    });
+  }).toThrow("External $ref is not supported");
+});
+
+test("local $ref resolution", () => {
+  const schema = fromJSONSchema({
+    $defs: {
+      User: {
+        type: "object",
+        properties: {
+          name: { type: "string" },
+        },
+        required: ["name"],
+      },
+    },
+    $ref: "#/$defs/User",
+  });
+  expect(schema.parse({ name: "John" })).toEqual({ name: "John" });
+  expect(() => schema.parse({})).toThrow();
+});
+
+test("circular $ref with lazy", () => {
+  const schema = fromJSONSchema({
+    $defs: {
+      Node: {
+        type: "object",
+        properties: {
+          value: { type: "string" },
+          children: {
+            type: "array",
+            items: { $ref: "#/$defs/Node" },
+          },
+        },
+      },
+    },
+    $ref: "#/$defs/Node",
+  });
+  type Node = { value: string; children: Node[] };
+  const result = schema.parse({
+    value: "root",
+    children: [{ value: "child", children: [] }],
+  }) as Node;
+  expect(result.value).toBe("root");
+  expect(result.children[0]?.value).toBe("child");
+});
+
+test("patternProperties", () => {
+  const schema = fromJSONSchema({
+    type: "object",
+    patternProperties: {
+      "^S_": { type: "string" },
+    },
+  });
+  const result = schema.parse({ S_name: "John", S_age: "30" }) as Record<string, string>;
+  expect(result.S_name).toBe("John");
+  expect(result.S_age).toBe("30");
+});
+
+test("patternProperties with regular properties", () => {
+  // Note: When patternProperties is combined with properties, the intersection
+  // validates all keys against the pattern. This test uses a pattern that
+  // matches the regular property name as well.
+  const schema = fromJSONSchema({
+    type: "object",
+    properties: {
+      S_name: { type: "string" },
+    },
+    patternProperties: {
+      "^S_": { type: "string" },
+    },
+    required: ["S_name"],
+  });
+  const result = schema.parse({ S_name: "John", S_extra: "value" }) as Record<string, string>;
+  expect(result.S_name).toBe("John");
+  expect(result.S_extra).toBe("value");
+});
+
+test("multiple patternProperties", () => {
+  const schema = fromJSONSchema({
+    type: "object",
+    patternProperties: {
+      "^S_": { type: "string" },
+      "^N_": { type: "number" },
+    },
+  });
+  const result = schema.parse({ S_name: "John", N_count: 123 }) as Record<string, string | number>;
+  expect(result.S_name).toBe("John");
+  expect(result.N_count).toBe(123);
+  // Keys not matching any pattern should pass through
+  const result2 = schema.parse({ S_name: "John", N_count: 123, other: "value" }) as Record<string, string | number>;
+  expect(result2.other).toBe("value");
+});
+
+test("multiple overlapping patternProperties", () => {
+  // If a key matches multiple patterns, value must satisfy all schemas
+  const schema = fromJSONSchema({
+    type: "object",
+    patternProperties: {
+      "^S_": { type: "string" },
+      "^S_N": { type: "string", minLength: 3 },
+    },
+  });
+  // S_name matches ^S_ but not ^S_N
+  expect(schema.parse({ S_name: "John" })).toEqual({ S_name: "John" });
+  // S_N matches both patterns - must satisfy both (string with minLength 3)
+  expect(schema.parse({ S_N: "abc" })).toEqual({ S_N: "abc" });
+  expect(() => schema.parse({ S_N: "ab" })).toThrow(); // too short for ^S_N pattern
+});
+
+test("default value", () => {
+  const schema = fromJSONSchema({
+    type: "string",
+    default: "hello",
+  });
+  // Default is applied during parsing if value is missing/undefined
+  // This depends on Zod's default behavior
+  expect(schema.parse("world")).toBe("world");
+});
+
+test("description metadata", () => {
+  const schema = fromJSONSchema({
+    type: "string",
+    description: "A string value",
+  });
+  expect(schema.parse("hello")).toBe("hello");
+});
+
+test("version detection - draft-2020-12", () => {
+  const schema = fromJSONSchema({
+    $schema: "https://json-schema.org/draft/2020-12/schema",
+    type: "array",
+    prefixItems: [{ type: "string" }],
+  });
+  expect(schema.parse(["hello"])).toEqual(["hello"]);
+});
+
+test("version detection - draft-7", () => {
+  const schema = fromJSONSchema({
+    $schema: "http://json-schema.org/draft-07/schema#",
+    type: "array",
+    items: [{ type: "string" }],
+  });
+  expect(schema.parse(["hello"])).toEqual(["hello"]);
+});
+
+test("version detection - draft-4", () => {
+  const schema = fromJSONSchema({
+    $schema: "http://json-schema.org/draft-04/schema#",
+    type: "array",
+    items: [{ type: "string" }],
+  });
+  expect(schema.parse(["hello"])).toEqual(["hello"]);
+});
+
+test("default version (draft-2020-12)", () => {
+  const schema = fromJSONSchema({
+    type: "array",
+    prefixItems: [{ type: "string" }],
+  });
+  expect(schema.parse(["hello"])).toEqual(["hello"]);
+});
+
+test("string format - email", () => {
+  const schema = fromJSONSchema({
+    type: "string",
+    format: "email",
+  });
+  expect(schema.parse("test@example.com")).toBe("test@example.com");
+});
+
+test("string format - uuid", () => {
+  const schema = fromJSONSchema({
+    type: "string",
+    format: "uuid",
+  });
+  const uuid = "550e8400-e29b-41d4-a716-446655440000";
+  expect(schema.parse(uuid)).toBe(uuid);
+});
+
+test("exclusiveMinimum and exclusiveMaximum", () => {
+  const schema = fromJSONSchema({
+    type: "number",
+    exclusiveMinimum: 0,
+    exclusiveMaximum: 100,
+  });
+  expect(schema.parse(50)).toBe(50);
+  expect(() => schema.parse(0)).toThrow();
+  expect(() => schema.parse(100)).toThrow();
+});
+
+test("boolean schema (true/false)", () => {
+  const trueSchema = fromJSONSchema(true);
+  expect(trueSchema.parse("anything")).toBe("anything");
+
+  const falseSchema = fromJSONSchema(false);
+  expect(() => falseSchema.parse("anything")).toThrow();
+});
+
+test("empty object schema", () => {
+  const schema = fromJSONSchema({
+    type: "object",
+  });
+  expect(schema.parse({})).toEqual({});
+  expect(schema.parse({ extra: "field" })).toEqual({ extra: "field" });
+});
+
+test("array without items", () => {
+  const schema = fromJSONSchema({
+    type: "array",
+  });
+  expect(schema.parse([1, "string", true])).toEqual([1, "string", true]);
+});
+
+test("mixed enum types", () => {
+  const schema = fromJSONSchema({
+    enum: ["string", 42, true, null],
+  });
+  expect(schema.parse("string")).toBe("string");
+  expect(schema.parse(42)).toBe(42);
+  expect(schema.parse(true)).toBe(true);
+  expect(schema.parse(null)).toBe(null);
+});
+
+test("nullable in OpenAPI 3.0", () => {
+  // General nullable case (not just enum: [null])
+  const stringSchema = fromJSONSchema(
+    {
+      type: "string",
+      nullable: true,
+    },
+    { defaultTarget: "openapi-3.0" }
+  );
+  expect(stringSchema.parse("hello")).toBe("hello");
+  expect(stringSchema.parse(null)).toBe(null);
+  expect(() => stringSchema.parse(123)).toThrow();
+
+  const numberSchema = fromJSONSchema(
+    {
+      type: "number",
+      nullable: true,
+    },
+    { defaultTarget: "openapi-3.0" }
+  );
+  expect(numberSchema.parse(42)).toBe(42);
+  expect(numberSchema.parse(null)).toBe(null);
+  expect(() => numberSchema.parse("string")).toThrow();
+
+  const objectSchema = fromJSONSchema(
+    {
+      type: "object",
+      properties: { name: { type: "string" } },
+      nullable: true,
+    },
+    { defaultTarget: "openapi-3.0" }
+  );
+  expect(objectSchema.parse({ name: "John" })).toEqual({ name: "John" });
+  expect(objectSchema.parse(null)).toBe(null);
+});
+
+// Metadata extraction tests
+
+test("unrecognized keys stored in globalRegistry by default", () => {
+  const schema = fromJSONSchema({
+    type: "string",
+    title: "My String",
+    deprecated: true,
+    examples: ["hello", "world"],
+    "x-custom": "custom value",
+  });
+
+  const meta = z.globalRegistry.get(schema);
+  expect(meta).toBeDefined();
+  expect(meta?.title).toBe("My String");
+  expect(meta?.deprecated).toBe(true);
+  expect(meta?.examples).toEqual(["hello", "world"]);
+  expect((meta as any)?.["x-custom"]).toBe("custom value");
+
+  // Clean up
+  z.globalRegistry.remove(schema);
+});
+
+test("unrecognized keys stored in custom registry", () => {
+  const customRegistry = z.registry<{ title?: string; deprecated?: boolean }>();
+
+  const schema = fromJSONSchema(
+    {
+      type: "number",
+      title: "Age",
+      deprecated: true,
+    },
+    { registry: customRegistry }
+  );
+
+  // Should be in custom registry
+  const meta = customRegistry.get(schema);
+  expect(meta).toBeDefined();
+  expect(meta?.title).toBe("Age");
+  expect(meta?.deprecated).toBe(true);
+
+  // Should NOT be in globalRegistry
+  expect(z.globalRegistry.get(schema)).toBeUndefined();
+});
+
+test("$id and id are captured as metadata", () => {
+  const customRegistry = z.registry<{ $id?: string; id?: string }>();
+
+  const schema1 = fromJSONSchema(
+    {
+      $id: "https://example.com/schemas/user",
+      type: "object",
+    },
+    { registry: customRegistry }
+  );
+  expect(customRegistry.get(schema1)?.$id).toBe("https://example.com/schemas/user");
+
+  const schema2 = fromJSONSchema(
+    {
+      id: "legacy-id",
+      type: "string",
+    },
+    { registry: customRegistry }
+  );
+  expect(customRegistry.get(schema2)?.id).toBe("legacy-id");
+});
+
+test("x-* extension keys are captured as metadata", () => {
+  const customRegistry = z.registry<Record<string, unknown>>();
+
+  const schema = fromJSONSchema(
+    {
+      type: "string",
+      "x-openapi-example": "example value",
+      "x-internal": true,
+      "x-tags": ["api", "public"],
+    },
+    { registry: customRegistry }
+  );
+
+  const meta = customRegistry.get(schema);
+  expect(meta?.["x-openapi-example"]).toBe("example value");
+  expect(meta?.["x-internal"]).toBe(true);
+  expect(meta?.["x-tags"]).toEqual(["api", "public"]);
+});
+
+test("metadata on nested schemas", () => {
+  const customRegistry = z.registry<Record<string, unknown>>();
+
+  const parentSchema = fromJSONSchema(
+    {
+      type: "object",
+      title: "User",
+      properties: {
+        name: {
+          type: "string",
+          title: "Name",
+          "x-field-order": 1,
+        },
+        age: {
+          type: "number",
+          title: "Age",
+          deprecated: true,
+        },
+      },
+    },
+    { registry: customRegistry }
+  );
+
+  // Verify parent schema has its metadata
+  expect(customRegistry.get(parentSchema)?.title).toBe("User");
+
+  // We can't easily access nested schemas directly, but we can verify
+  // the registry is being used correctly by checking a separate schema
+  const simpleSchema = fromJSONSchema(
+    {
+      type: "string",
+      title: "Simple",
+    },
+    { registry: customRegistry }
+  );
+  expect(customRegistry.get(simpleSchema)?.title).toBe("Simple");
+});
+
+test("no metadata added when no unrecognized keys", () => {
+  const customRegistry = z.registry<Record<string, unknown>>();
+
+  const schema = fromJSONSchema(
+    {
+      type: "string",
+      minLength: 1,
+      maxLength: 100,
+      description: "A regular string",
+    },
+    { registry: customRegistry }
+  );
+
+  // description is handled via .describe(), so it shouldn't be in metadata
+  // All other keys are recognized, so no metadata should be added
+  expect(customRegistry.get(schema)).toBeUndefined();
+});
+
+test("writeOnly and examples are captured as metadata", () => {
+  const customRegistry = z.registry<{ writeOnly?: boolean; examples?: unknown[] }>();
+
+  const schema = fromJSONSchema(
+    {
+      type: "string",
+      writeOnly: true,
+      examples: ["password123", "secret"],
+    },
+    { registry: customRegistry }
+  );
+
+  const meta = customRegistry.get(schema);
+  expect(meta?.writeOnly).toBe(true);
+  expect(meta?.examples).toEqual(["password123", "secret"]);
+});
+
+test("$comment and $anchor are captured as metadata", () => {
+  const customRegistry = z.registry<{ $comment?: string; $anchor?: string }>();
+
+  const schema = fromJSONSchema(
+    {
+      type: "string",
+      $comment: "This is a developer note",
+      $anchor: "my-anchor",
+    },
+    { registry: customRegistry }
+  );
+
+  const meta = customRegistry.get(schema);
+  expect(meta?.$comment).toBe("This is a developer note");
+  expect(meta?.$anchor).toBe("my-anchor");
+});
+
+test("contentEncoding and contentMediaType are stored as metadata", () => {
+  const customRegistry = z.registry<{ contentEncoding?: string; contentMediaType?: string }>();
+
+  const schema = fromJSONSchema(
+    {
+      type: "string",
+      contentEncoding: "base64",
+      contentMediaType: "image/png",
+    },
+    { registry: customRegistry }
+  );
+
+  // Should just be a string schema
+  expect(schema.parse("aGVsbG8gd29ybGQ=")).toBe("aGVsbG8gd29ybGQ=");
+
+  // Content keywords should be in metadata
+  const meta = customRegistry.get(schema);
+  expect(meta?.contentEncoding).toBe("base64");
+  expect(meta?.contentMediaType).toBe("image/png");
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/function.test.ts

@@ -0,0 +1,360 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+const args1 = z.tuple([z.string()]);
+const returns1 = z.number();
+const func1 = z.function({
+  input: args1,
+
+  output: returns1,
+});
+
+test("function parsing", () => {
+  const parsed = func1.implement((arg: any) => arg.length);
+  const result = parsed("asdf");
+  expect(result).toBe(4);
+});
+
+test("parsed function fail 1", () => {
+  // @ts-expect-error
+  const parsed = func1.implement((x: string) => x);
+  expect(() => parsed("asdf")).toThrow();
+});
+
+test("parsed function fail 2", () => {
+  // @ts-expect-error
+  const parsed = func1.implement((x: string) => x);
+  expect(() => parsed(13 as any)).toThrow();
+});
+
+test("function inference 1", () => {
+  type func1 = (typeof func1)["_input"];
+  expectTypeOf<func1>().toEqualTypeOf<(k: string) => number>();
+});
+
+test("method parsing", () => {
+  const methodObject = z.object({
+    property: z.number(),
+    method: z
+      .function()
+      .input(z.tuple([z.string()]))
+      .output(z.number()),
+  });
+  const methodInstance = {
+    property: 3,
+    method: function (s: string) {
+      return s.length + this.property;
+    },
+  };
+  const parsed = methodObject.parse(methodInstance);
+  expect(parsed.method("length=8")).toBe(11); // 8 length + 3 property
+});
+
+test("async method parsing", async () => {
+  const methodObject = z.object({
+    property: z.number(),
+    method: z.function().input([z.string()]).output(z.promise(z.number())),
+  });
+  const methodInstance = {
+    property: 3,
+    method: async function (s: string) {
+      return s.length + this.property;
+    },
+  };
+  const parsed = methodObject.parse(methodInstance);
+  expect(await parsed.method("length=8")).toBe(11); // 8 length + 3 property
+});
+
+test("args method", () => {
+  const t1 = z.function();
+  type t1 = (typeof t1)["_input"];
+  expectTypeOf<t1>().toEqualTypeOf<(...args_1: never[]) => unknown>();
+  t1._input;
+
+  const t2args = z.tuple([z.string()], z.unknown());
+
+  const t2 = t1.input(t2args);
+  type t2 = (typeof t2)["_input"];
+  expectTypeOf<t2>().toEqualTypeOf<(arg: string, ...args_1: unknown[]) => unknown>();
+
+  const t3 = t2.output(z.boolean());
+  type t3 = (typeof t3)["_input"];
+  expectTypeOf<t3>().toEqualTypeOf<(arg: string, ...args_1: unknown[]) => boolean>();
+});
+
+// test("custom args", () => {
+//   const fn = z.function().implement((_a: string, _b: number) => {
+//     return new Date();
+//   });
+
+//   expectTypeOf(fn).toEqualTypeOf<(a: string, b: number) => Date>();
+// });
+
+const args2 = z.tuple([
+  z.object({
+    f1: z.number(),
+    f2: z.string().nullable(),
+    f3: z.array(z.boolean().optional()).optional(),
+  }),
+]);
+const returns2 = z.union([z.string(), z.number()]);
+
+const func2 = z.function({
+  input: args2,
+  output: returns2,
+});
+
+test("function inference 2", () => {
+  type func2 = (typeof func2)["_input"];
+
+  expectTypeOf<func2>().toEqualTypeOf<
+    (arg: {
+      f3?: (boolean | undefined)[] | undefined;
+      f1: number;
+      f2: string | null;
+    }) => string | number
+  >();
+});
+
+test("valid function run", () => {
+  const validFunc2Instance = func2.implement((_x) => {
+    _x.f2;
+    _x.f3![0];
+    return "adf" as any;
+  });
+
+  validFunc2Instance({
+    f1: 21,
+    f2: "asdf",
+    f3: [true, false],
+  });
+});
+
+const args3 = [
+  z.object({
+    f1: z.number(),
+    f2: z.string().nullable(),
+    f3: z.array(z.boolean().optional()).optional(),
+  }),
+] as const;
+const returns3 = z.union([z.string(), z.number()]);
+
+const func3 = z.function({
+  input: args3,
+  output: returns3,
+});
+
+test("function inference 3", () => {
+  type func3 = (typeof func3)["_input"];
+
+  expectTypeOf<func3>().toEqualTypeOf<
+    (arg: {
+      f3?: (boolean | undefined)[] | undefined;
+      f1: number;
+      f2: string | null;
+    }) => string | number
+  >();
+});
+
+test("valid function run", () => {
+  const validFunc3Instance = func3.implement((_x) => {
+    _x.f2;
+    _x.f3![0];
+    return "adf" as any;
+  });
+
+  validFunc3Instance({
+    f1: 21,
+    f2: "asdf",
+    f3: [true, false],
+  });
+});
+
+test("input validation error", () => {
+  const schema = z.function({
+    input: z.tuple([z.string()]),
+    output: z.void(),
+  });
+  const fn = schema.implement(() => 1234 as any);
+
+  // @ts-expect-error
+  const checker = () => fn();
+
+  try {
+    checker();
+  } catch (e: any) {
+    expect(e.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "invalid_type",
+          "expected": "string",
+          "message": "Invalid input: expected string, received undefined",
+          "path": [
+            0,
+          ],
+        },
+      ]
+    `);
+  }
+});
+
+test("array inputs", () => {
+  const a = z.function({
+    input: [
+      z.object({
+        name: z.string(),
+        age: z.number().int(),
+      }),
+    ],
+    output: z.string(),
+  });
+
+  a.implement((args) => {
+    return `${args.age}`;
+  });
+
+  const b = z.function({
+    input: [
+      z.object({
+        name: z.string(),
+        age: z.number().int(),
+      }),
+    ],
+  });
+  b.implement((args) => {
+    return `${args.age}`;
+  });
+});
+
+test("output validation error", () => {
+  const schema = z.function({
+    input: z.tuple([]),
+    output: z.string(),
+  });
+  const fn = schema.implement(() => 1234 as any);
+  try {
+    fn();
+  } catch (e: any) {
+    expect(e.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "invalid_type",
+          "expected": "string",
+          "message": "Invalid input: expected string, received number",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("function with async refinements", async () => {
+  const schema = z
+    .function()
+    .input([z.string().refine(async (val) => val.length > 10)])
+    .output(z.promise(z.number().refine(async (val) => val > 10)));
+
+  const func = schema.implementAsync(async (val) => {
+    return val.length;
+  });
+  const results = [];
+  try {
+    await func("asdfasdf");
+    results.push("success");
+  } catch (_) {
+    results.push("fail");
+  }
+  try {
+    await func("asdflkjasdflkjsf");
+    results.push("success");
+  } catch (_) {
+    results.push("fail");
+  }
+
+  expect(results).toEqual(["fail", "success"]);
+});
+
+test("implement async with transforms", async () => {
+  const typeGuard = (data: string): data is "1234" => data === "1234";
+  const codeSchema = z.string().transform((data, ctx) => {
+    if (typeGuard(data)) {
+      return data;
+    } else {
+      ctx.addIssue({
+        code: z.ZodIssueCode.custom,
+        message: "Invalid code",
+      });
+      return z.NEVER;
+    }
+  });
+  const inputSchema = z.object({
+    code: codeSchema,
+  });
+  const outputSchema = z.object({
+    data: z.array(z.string()).default([]),
+  });
+  const fnImplementation = async (data: z.infer<typeof inputSchema>): Promise<z.infer<typeof outputSchema>> => {
+    return {
+      data: [data.code],
+    };
+  };
+  const schema = z.function().input([inputSchema]).output(outputSchema);
+
+  const func = schema.implementAsync(fnImplementation);
+  type TheInterface = {
+    myFunction: (data: z.infer<typeof inputSchema>) => Promise<z.infer<typeof outputSchema>>;
+  };
+  const theImplementation: TheInterface = {
+    myFunction: func,
+  };
+  const results = [];
+  try {
+    await theImplementation.myFunction({
+      code: "1234",
+    });
+    results.push("success");
+  } catch (_) {
+    results.push("fail");
+  }
+  try {
+    await func({ data: "asdflkjasdflkjsf" } as any);
+    results.push("success");
+  } catch (_) {
+    results.push("fail");
+  }
+
+  expect(results).toEqual(["success", "fail"]);
+});
+
+test("non async function with async refinements should fail", async () => {
+  const func = z
+    .function()
+    .input([z.string().refine(async (val) => val.length > 10)])
+    .output(z.number().refine(async (val) => val > 10))
+    .implement((val) => {
+      return val.length;
+    });
+
+  const results = [];
+  try {
+    await func("asdasdfasdffasdf");
+    results.push("success");
+  } catch (_) {
+    results.push("fail");
+  }
+
+  expect(results).toEqual(["fail"]);
+});
+
+test("extra parameters with rest", () => {
+  const maxLength5 = z
+    .function()
+    .input([z.string()], z.unknown())
+    .output(z.boolean())
+    .implement((str, _arg, _qewr) => {
+      return str.length <= 5;
+    });
+
+  const filteredList = ["apple", "orange", "pear", "banana", "strawberry"].filter(maxLength5);
+  expect(filteredList.length).toEqual(2);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/generics.test.ts

@@ -0,0 +1,72 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+function nest<TData extends z.ZodType>(schema: TData) {
+  return z.object({
+    nested: schema,
+  });
+}
+
+test("generics", () => {
+  const a = nest(z.object({ a: z.string() }));
+  type a = z.infer<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<{ nested: { a: string } }>();
+
+  const b = nest(z.object({ a: z.string().optional() }));
+  type b = z.infer<typeof b>;
+  expectTypeOf<b>().toEqualTypeOf<{ nested: { a?: string | undefined } }>();
+});
+
+test("generics with optional", () => {
+  async function stripOuter<TData extends z.ZodType>(schema: TData, data: unknown) {
+    return z
+      .object({
+        nested: schema.optional(),
+      })
+      .transform((data) => {
+        return data.nested;
+      })
+      .parse({ nested: data });
+  }
+
+  const result = stripOuter(z.object({ a: z.string() }), { a: "asdf" });
+  expectTypeOf<typeof result>().toEqualTypeOf<Promise<{ a: string } | undefined>>();
+});
+
+// test("assignability", () => {
+//   const createSchemaAndParse = <K extends string, VS extends z.ZodString>(key: K, valueSchema: VS, data: unknown) => {
+//     const schema = z.object({
+//       [key]: valueSchema,
+//     });
+//     // return { [key]: valueSchema };
+//     const parsed = schema.parse(data);
+//     return parsed;
+//     // const inferred: z.infer<z.ZodObject<{ [k in K]: VS }>> = parsed;
+//     // return inferred;
+//   };
+//   const parsed = createSchemaAndParse("foo", z.string(), { foo: "" });
+//   expectTypeOf<typeof parsed>().toEqualTypeOf<{ foo: string }>();
+// });
+
+test("nested no undefined", () => {
+  const inner = z.string().or(z.array(z.string()));
+  const outer = z.object({ inner });
+  type outerSchema = z.infer<typeof outer>;
+  expectTypeOf<outerSchema>().toEqualTypeOf<{ inner: string | string[] }>();
+
+  expect(outer.safeParse({ inner: undefined }).success).toEqual(false);
+});
+
+test("generic on output type", () => {
+  const createV4Schema = <Output>(opts: {
+    schema: z.ZodType<Output>;
+  }) => {
+    return opts.schema;
+  };
+
+  createV4Schema({
+    schema: z.object({
+      name: z.string(),
+    }),
+  })?._zod?.output?.name;
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/hash.test.ts

@@ -0,0 +1,68 @@
+import { expect, expectTypeOf, test } from "vitest";
+import { type ZodCustomStringFormat, hash } from "zod"; // adjust path as needed
+
+test("hash() API — types and runtime across all alg/enc combinations", async () => {
+  const { createHash } = await import("node:crypto");
+
+  type Alg = "md5" | "sha1" | "sha256" | "sha384" | "sha512";
+  // type Enc = "hex" | "base64" | "base64url";
+
+  const toB64Url = (b64: string) => b64.replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/g, "");
+
+  const makeDigests = (alg: Alg, input: string) => {
+    const buf = createHash(alg).update(input).digest();
+    const hex = buf.toString("hex");
+    const base64 = buf.toString("base64");
+    const base64url = toB64Url(base64);
+    return { hex, base64, base64url };
+  };
+
+  const algs: ReadonlyArray<Alg> = ["md5", "sha1", "sha256", "sha384", "sha512"];
+  const input = "zodasklfjaasdf";
+
+  // --- Type-level checks (ensure the literal format string is encoded in the return type)
+  expectTypeOf(hash("md5")).toEqualTypeOf<ZodCustomStringFormat<"md5_hex">>();
+  expectTypeOf(hash("sha1")).toEqualTypeOf<ZodCustomStringFormat<"sha1_hex">>();
+  expectTypeOf(hash("sha256", { enc: "base64" as const })).toEqualTypeOf<ZodCustomStringFormat<"sha256_base64">>();
+  expectTypeOf(hash("sha384", { enc: "base64url" as const })).toEqualTypeOf<
+    ZodCustomStringFormat<"sha384_base64url">
+  >();
+
+  // Test generic format types are correctly inferred and Enc defaults to "hex"
+  expectTypeOf(hash("sha256")).toEqualTypeOf<ZodCustomStringFormat<"sha256_hex">>();
+
+  // --- Runtime matrix (success + a few sharp-edged failures per combo)
+  for (const alg of algs) {
+    const { hex, base64, base64url } = makeDigests(alg, input);
+
+    // Success cases
+    expect(hash(alg).parse(hex)).toBe(hex); // default enc=hex
+    expect(hash(alg, { enc: "hex" }).parse(hex)).toBe(hex);
+    expect(hash(alg, { enc: "base64" }).parse(base64)).toBe(base64);
+    expect(hash(alg, { enc: "base64url" }).parse(base64url)).toBe(base64url);
+
+    // Failure cases (wrong encoding to schema)
+    expect(() => hash(alg, { enc: "hex" }).parse(base64)).toThrow();
+    expect(() => hash(alg, { enc: "base64" }).parse(hex)).toThrow();
+    expect(() => hash(alg, { enc: "base64url" }).parse(base64)).toThrow();
+
+    // Encoding-specific failures
+    // hex: uppercase allowed, wrong length should fail
+    hash(alg, { enc: "hex" }).parse(hex.toUpperCase());
+    expect(() => hash(alg, { enc: "hex" }).parse(hex.slice(0, -1))).toThrow();
+
+    // base64: missing required padding should fail (only for algorithms that require padding)
+    if (base64.includes("=")) {
+      const base64NoPad = base64.replace(/=+$/g, "");
+      expect(() => hash(alg, { enc: "base64" }).parse(base64NoPad)).toThrow();
+    }
+
+    // base64url: adding padding or using invalid characters should fail
+    expect(() => hash(alg, { enc: "base64url" }).parse(base64url + "=")).toThrow();
+    expect(() => hash(alg, { enc: "base64url" }).parse(base64url + "!")).toThrow();
+
+    // Param object present but enc omitted should still default to hex at runtime
+    const schemaWithEmptyParams = hash(alg, {} as any);
+    expect(schemaWithEmptyParams.parse(hex)).toBe(hex);
+  }
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/index.test.ts

@@ -0,0 +1,939 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+import type { util } from "zod/v4/core";
+
+test("z.boolean", () => {
+  const a = z.boolean();
+  expect(z.parse(a, true)).toEqual(true);
+  expect(z.parse(a, false)).toEqual(false);
+  expect(() => z.parse(a, 123)).toThrow();
+  expect(() => z.parse(a, "true")).toThrow();
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<boolean>();
+});
+
+test("z.bigint", () => {
+  const a = z.bigint();
+  expect(z.parse(a, BigInt(123))).toEqual(BigInt(123));
+  expect(() => z.parse(a, 123)).toThrow();
+  expect(() => z.parse(a, "123")).toThrow();
+});
+
+test("z.symbol", () => {
+  const a = z.symbol();
+  const sym = Symbol();
+  expect(z.parse(a, sym)).toEqual(sym);
+  expect(() => z.parse(a, "symbol")).toThrow();
+});
+
+test("z.date", () => {
+  const a = z.date();
+  const date = new Date();
+  expect(z.parse(a, date)).toEqual(date);
+  expect(() => z.parse(a, "date")).toThrow();
+});
+
+test("z.coerce.string", () => {
+  const a = z.coerce.string();
+  expect(z.parse(a, 123)).toEqual("123");
+  expect(z.parse(a, true)).toEqual("true");
+  expect(z.parse(a, null)).toEqual("null");
+  expect(z.parse(a, undefined)).toEqual("undefined");
+});
+
+test("z.coerce.number", () => {
+  const a = z.coerce.number();
+  expect(z.parse(a, "123")).toEqual(123);
+  expect(z.parse(a, "123.45")).toEqual(123.45);
+  expect(z.parse(a, true)).toEqual(1);
+  expect(z.parse(a, false)).toEqual(0);
+  expect(() => z.parse(a, "abc")).toThrow();
+});
+
+test("z.coerce.boolean", () => {
+  const a = z.coerce.boolean();
+  // test booleans
+  expect(z.parse(a, true)).toEqual(true);
+  expect(z.parse(a, false)).toEqual(false);
+  expect(z.parse(a, "true")).toEqual(true);
+  expect(z.parse(a, "false")).toEqual(true);
+  expect(z.parse(a, 1)).toEqual(true);
+  expect(z.parse(a, 0)).toEqual(false);
+  expect(z.parse(a, {})).toEqual(true);
+  expect(z.parse(a, [])).toEqual(true);
+  expect(z.parse(a, undefined)).toEqual(false);
+  expect(z.parse(a, null)).toEqual(false);
+  expect(z.parse(a, "")).toEqual(false);
+});
+
+test("z.coerce.bigint", () => {
+  const a = z.coerce.bigint();
+  expect(z.parse(a, "123")).toEqual(BigInt(123));
+  expect(z.parse(a, 123)).toEqual(BigInt(123));
+  expect(() => z.parse(a, "abc")).toThrow();
+});
+
+test("z.coerce.date", () => {
+  const a = z.coerce.date();
+  const date = new Date();
+  expect(z.parse(a, date.toISOString())).toEqual(date);
+  expect(z.parse(a, date.getTime())).toEqual(date);
+  expect(() => z.parse(a, "invalid date")).toThrow();
+});
+
+test("z.iso.datetime", () => {
+  const d1 = "2021-01-01T00:00:00Z";
+  const d2 = "2021-01-01T00:00:00.123Z";
+  const d3 = "2021-01-01T00:00:00";
+  const d4 = "2021-01-01T00:00:00+07:00";
+  const d5 = "bad data";
+
+  // local: false, offset: false, precision: null
+  const a = z.iso.datetime();
+  expect(z.safeParse(a, d1).success).toEqual(true);
+  expect(z.safeParse(a, d2).success).toEqual(true);
+  expect(z.safeParse(a, d3).success).toEqual(false);
+  expect(z.safeParse(a, d4).success).toEqual(false);
+  expect(z.safeParse(a, d5).success).toEqual(false);
+
+  const b = z.iso.datetime({ local: true });
+  expect(z.safeParse(b, d1).success).toEqual(true);
+  expect(z.safeParse(b, d2).success).toEqual(true);
+  expect(z.safeParse(b, d3).success).toEqual(true);
+  expect(z.safeParse(b, d4).success).toEqual(false);
+  expect(z.safeParse(b, d5).success).toEqual(false);
+
+  const c = z.iso.datetime({ offset: true });
+  expect(z.safeParse(c, d1).success).toEqual(true);
+  expect(z.safeParse(c, d2).success).toEqual(true);
+  expect(z.safeParse(c, d3).success).toEqual(false);
+  expect(z.safeParse(c, d4).success).toEqual(true);
+  expect(z.safeParse(c, d5).success).toEqual(false);
+
+  const d = z.iso.datetime({ precision: 3 });
+  expect(z.safeParse(d, d1).success).toEqual(false);
+  expect(z.safeParse(d, d2).success).toEqual(true);
+  expect(z.safeParse(d, d3).success).toEqual(false);
+  expect(z.safeParse(d, d4).success).toEqual(false);
+  expect(z.safeParse(d, d5).success).toEqual(false);
+});
+
+test("z.iso.date", () => {
+  const d1 = "2021-01-01";
+  const d2 = "bad data";
+
+  const a = z.iso.date();
+  expect(z.safeParse(a, d1).success).toEqual(true);
+  expect(z.safeParse(a, d2).success).toEqual(false);
+
+  const b = z.string().check(z.iso.date());
+  expect(z.safeParse(b, d1).success).toEqual(true);
+  expect(z.safeParse(b, d2).success).toEqual(false);
+});
+
+test("z.iso.time", () => {
+  const d1 = "00:00:00";
+  const d2 = "00:00:00.123";
+  const d3 = "bad data";
+
+  const a = z.iso.time();
+  expect(z.safeParse(a, d1).success).toEqual(true);
+  expect(z.safeParse(a, d2).success).toEqual(true);
+  expect(z.safeParse(a, d3).success).toEqual(false);
+
+  const b = z.iso.time({ precision: 3 });
+  expect(z.safeParse(b, d1).success).toEqual(false);
+  expect(z.safeParse(b, d2).success).toEqual(true);
+  expect(z.safeParse(b, d3).success).toEqual(false);
+
+  const c = z.string().check(z.iso.time());
+  expect(z.safeParse(c, d1).success).toEqual(true);
+  expect(z.safeParse(c, d2).success).toEqual(true);
+  expect(z.safeParse(c, d3).success).toEqual(false);
+});
+
+test("z.iso.duration", () => {
+  const d1 = "P3Y6M4DT12H30M5S";
+  const d2 = "bad data";
+
+  const a = z.iso.duration();
+  expect(z.safeParse(a, d1).success).toEqual(true);
+  expect(z.safeParse(a, d2).success).toEqual(false);
+
+  const b = z.string().check(z.iso.duration());
+  expect(z.safeParse(b, d1).success).toEqual(true);
+  expect(z.safeParse(b, d2).success).toEqual(false);
+});
+
+test("z.undefined", () => {
+  const a = z.undefined();
+  expect(z.parse(a, undefined)).toEqual(undefined);
+  expect(() => z.parse(a, "undefined")).toThrow();
+});
+
+test("z.null", () => {
+  const a = z.null();
+  expect(z.parse(a, null)).toEqual(null);
+  expect(() => z.parse(a, "null")).toThrow();
+});
+
+test("z.any", () => {
+  const a = z.any();
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(z.parse(a, 123)).toEqual(123);
+  expect(z.parse(a, true)).toEqual(true);
+  expect(z.parse(a, null)).toEqual(null);
+  expect(z.parse(a, undefined)).toEqual(undefined);
+  z.parse(a, {});
+  z.parse(a, []);
+  z.parse(a, Symbol());
+  z.parse(a, new Date());
+});
+
+test("z.unknown", () => {
+  const a = z.unknown();
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(z.parse(a, 123)).toEqual(123);
+  expect(z.parse(a, true)).toEqual(true);
+  expect(z.parse(a, null)).toEqual(null);
+  expect(z.parse(a, undefined)).toEqual(undefined);
+  z.parse(a, {});
+  z.parse(a, []);
+  z.parse(a, Symbol());
+  z.parse(a, new Date());
+});
+
+test("z.never", () => {
+  const a = z.never();
+  expect(() => z.parse(a, "hello")).toThrow();
+});
+
+test("z.void", () => {
+  const a = z.void();
+  expect(z.parse(a, undefined)).toEqual(undefined);
+  expect(() => z.parse(a, null)).toThrow();
+});
+
+test("z.array", () => {
+  const a = z.array(z.string());
+  expect(z.parse(a, ["hello", "world"])).toEqual(["hello", "world"]);
+  expect(() => z.parse(a, [123])).toThrow();
+  expect(() => z.parse(a, "hello")).toThrow();
+});
+
+test("z.union", () => {
+  const a = z.union([z.string(), z.number()]);
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(z.parse(a, 123)).toEqual(123);
+  expect(() => z.parse(a, true)).toThrow();
+});
+
+test("z.intersection", () => {
+  const a = z.intersection(z.object({ a: z.string() }), z.object({ b: z.number() }));
+  expect(z.parse(a, { a: "hello", b: 123 })).toEqual({ a: "hello", b: 123 });
+  expect(() => z.parse(a, { a: "hello" })).toThrow();
+  expect(() => z.parse(a, { b: 123 })).toThrow();
+  expect(() => z.parse(a, "hello")).toThrow();
+});
+
+test("z.tuple", () => {
+  const a = z.tuple([z.string(), z.number()]);
+  expect(z.parse(a, ["hello", 123])).toEqual(["hello", 123]);
+  expect(() => z.parse(a, ["hello", "world"])).toThrow();
+  expect(() => z.parse(a, [123, 456])).toThrow();
+  expect(() => z.parse(a, "hello")).toThrow();
+
+  // tuple with rest
+  const b = z.tuple([z.string(), z.number(), z.optional(z.string())], z.boolean());
+  type b = z.output<typeof b>;
+
+  expectTypeOf<b>().toEqualTypeOf<[string, number, string?, ...boolean[]]>();
+  const datas = [
+    ["hello", 123],
+    ["hello", 123, "world"],
+    ["hello", 123, "world", true],
+    ["hello", 123, "world", true, false, true],
+  ];
+  for (const data of datas) {
+    expect(z.parse(b, data)).toEqual(data);
+  }
+
+  expect(() => z.parse(b, ["hello", 123, 123])).toThrow();
+  expect(() => z.parse(b, ["hello", 123, "world", 123])).toThrow();
+
+  // tuple with readonly args
+  const cArgs = [z.string(), z.number(), z.optional(z.string())] as const;
+  const c = z.tuple(cArgs, z.boolean());
+  type c = z.output<typeof c>;
+  expectTypeOf<c>().toEqualTypeOf<[string, number, string?, ...boolean[]]>();
+  // type c = z.output<typeof c>;
+});
+
+test("z.record", () => {
+  // record schema with enum keys
+  const a = z.record(z.string(), z.string());
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<Record<string, string>>();
+
+  const b = z.record(z.union([z.string(), z.number(), z.symbol()]), z.string());
+  type b = z.output<typeof b>;
+  expectTypeOf<b>().toEqualTypeOf<Record<string | number | symbol, string>>();
+  expect(z.parse(b, { a: "hello", 1: "world", [Symbol.for("asdf")]: "symbol" })).toEqual({
+    a: "hello",
+    1: "world",
+    [Symbol.for("asdf")]: "symbol",
+  });
+
+  // enum keys
+  const c = z.record(z.enum(["a", "b", "c"]), z.string());
+  type c = z.output<typeof c>;
+  expectTypeOf<c>().toEqualTypeOf<Record<"a" | "b" | "c", string>>();
+  expect(z.parse(c, { a: "hello", b: "world", c: "world" })).toEqual({
+    a: "hello",
+    b: "world",
+    c: "world",
+  });
+  // missing keys
+  expect(() => z.parse(c, { a: "hello", b: "world" })).toThrow();
+  // extra keys
+  expect(() => z.parse(c, { a: "hello", b: "world", c: "world", d: "world" })).toThrow();
+
+  // partial enum
+  const d = z.record(z.enum(["a", "b"]).or(z.never()), z.string());
+  type d = z.output<typeof d>;
+  expectTypeOf<d>().toEqualTypeOf<Record<"a" | "b", string>>();
+
+  // literal union keys
+  const e = z.record(z.union([z.literal("a"), z.literal(0)]), z.string());
+  type e = z.output<typeof e>;
+  expectTypeOf<e>().toEqualTypeOf<Record<"a" | 0, string>>();
+  expect(z.parse(e, { a: "hello", 0: "world" })).toEqual({
+    a: "hello",
+    0: "world",
+  });
+
+  // TypeScript enum keys
+  enum Enum {
+    A = 0,
+    B = "hi",
+  }
+
+  const f = z.record(z.enum(Enum), z.string());
+  type f = z.output<typeof f>;
+  expectTypeOf<f>().toEqualTypeOf<Record<Enum, string>>();
+  expect(z.parse(f, { [Enum.A]: "hello", [Enum.B]: "world" })).toEqual({
+    [Enum.A]: "hello",
+    [Enum.B]: "world",
+  });
+});
+
+test("z.map", () => {
+  const a = z.map(z.string(), z.number());
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<Map<string, number>>();
+  expect(z.parse(a, new Map([["hello", 123]]))).toEqual(new Map([["hello", 123]]));
+  expect(() => z.parse(a, new Map([["hello", "world"]]))).toThrow();
+  expect(() => z.parse(a, new Map([[1243, "world"]]))).toThrow();
+  expect(() => z.parse(a, "hello")).toThrow();
+
+  const r1 = z.safeParse(a, new Map([[123, 123]]));
+  expect(r1.error?.issues[0].code).toEqual("invalid_type");
+  expect(r1.error?.issues[0].path).toEqual([123]);
+
+  const r2: any = z.safeParse(a, new Map([[BigInt(123), 123]]));
+  expect(r2.error!.issues[0].code).toEqual("invalid_key");
+  expect(r2.error!.issues[0].path).toEqual([]);
+
+  const r3: any = z.safeParse(a, new Map([["hello", "world"]]));
+  expect(r3.error!.issues[0].code).toEqual("invalid_type");
+  expect(r3.error!.issues[0].path).toEqual(["hello"]);
+});
+
+test("z.map invalid_element", () => {
+  const a = z.map(z.bigint(), z.number());
+  const r1 = z.safeParse(a, new Map([[BigInt(123), BigInt(123)]]));
+
+  expect(r1.error!.issues[0].code).toEqual("invalid_element");
+  expect(r1.error!.issues[0].path).toEqual([]);
+});
+
+test("z.map async", async () => {
+  const a = z.map(z.string().check(z.refine(async () => true)), z.number().check(z.refine(async () => true)));
+  const d1 = new Map([["hello", 123]]);
+  expect(await z.parseAsync(a, d1)).toEqual(d1);
+
+  await expect(z.parseAsync(a, new Map([[123, 123]]))).rejects.toThrow();
+  await expect(z.parseAsync(a, new Map([["hi", "world"]]))).rejects.toThrow();
+  await expect(z.parseAsync(a, new Map([[1243, "world"]]))).rejects.toThrow();
+  await expect(z.parseAsync(a, "hello")).rejects.toThrow();
+
+  const r = await z.safeParseAsync(a, new Map([[123, 123]]));
+  expect(r.success).toEqual(false);
+  expect(r.error!.issues[0].code).toEqual("invalid_type");
+  expect(r.error!.issues[0].path).toEqual([123]);
+});
+
+test("z.set", () => {
+  const a = z.set(z.string());
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<Set<string>>();
+  expect(z.parse(a, new Set(["hello", "world"]))).toEqual(new Set(["hello", "world"]));
+  expect(() => z.parse(a, new Set([123]))).toThrow();
+  expect(() => z.parse(a, ["hello", "world"])).toThrow();
+  expect(() => z.parse(a, "hello")).toThrow();
+
+  const b = z.set(z.number());
+  expect(z.parse(b, new Set([1, 2, 3]))).toEqual(new Set([1, 2, 3]));
+  expect(() => z.parse(b, new Set(["hello"]))).toThrow();
+  expect(() => z.parse(b, [1, 2, 3])).toThrow();
+  expect(() => z.parse(b, 123)).toThrow();
+});
+
+test("z.enum", () => {
+  const a = z.enum(["A", "B", "C"]);
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<"A" | "B" | "C">();
+  expect(z.parse(a, "A")).toEqual("A");
+  expect(z.parse(a, "B")).toEqual("B");
+  expect(z.parse(a, "C")).toEqual("C");
+  expect(() => z.parse(a, "D")).toThrow();
+  expect(() => z.parse(a, 123)).toThrow();
+
+  expect(a.enum.A).toEqual("A");
+  expect(a.enum.B).toEqual("B");
+  expect(a.enum.C).toEqual("C");
+  expect((a.enum as any).D).toEqual(undefined);
+});
+
+test("z.enum - native", () => {
+  enum NativeEnum {
+    A = "A",
+    B = "B",
+    C = "C",
+  }
+  const a = z.enum(NativeEnum);
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<NativeEnum>();
+  expect(z.parse(a, NativeEnum.A)).toEqual(NativeEnum.A);
+  expect(z.parse(a, NativeEnum.B)).toEqual(NativeEnum.B);
+  expect(z.parse(a, NativeEnum.C)).toEqual(NativeEnum.C);
+  expect(() => z.parse(a, "D")).toThrow();
+  expect(() => z.parse(a, 123)).toThrow();
+
+  // test a.enum
+  a;
+  expect(a.enum.A).toEqual(NativeEnum.A);
+  expect(a.enum.B).toEqual(NativeEnum.B);
+  expect(a.enum.C).toEqual(NativeEnum.C);
+});
+
+test("z.nativeEnum", () => {
+  enum NativeEnum {
+    A = "A",
+    B = "B",
+    C = "C",
+  }
+  const a = z.nativeEnum(NativeEnum);
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<NativeEnum>();
+  expect(z.parse(a, NativeEnum.A)).toEqual(NativeEnum.A);
+  expect(z.parse(a, NativeEnum.B)).toEqual(NativeEnum.B);
+  expect(z.parse(a, NativeEnum.C)).toEqual(NativeEnum.C);
+  expect(() => z.parse(a, "D")).toThrow();
+  expect(() => z.parse(a, 123)).toThrow();
+
+  // test a.enum
+  a;
+  expect(a.enum.A).toEqual(NativeEnum.A);
+  expect(a.enum.B).toEqual(NativeEnum.B);
+  expect(a.enum.C).toEqual(NativeEnum.C);
+});
+
+test("z.literal", () => {
+  const a = z.literal("hello");
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<"hello">();
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(() => z.parse(a, "world")).toThrow();
+  expect(() => z.parse(a, 123)).toThrow();
+});
+
+test("z.file", () => {
+  const a = z.file();
+  const file = new File(["content"], "filename.txt", { type: "text/plain" });
+  expect(z.parse(a, file)).toEqual(file);
+  expect(() => z.parse(a, "file")).toThrow();
+  expect(() => z.parse(a, 123)).toThrow();
+});
+
+test("z.transform", () => {
+  const a = z.pipe(
+    z.string(),
+    z.transform((val) => val.toUpperCase())
+  );
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<string>();
+  expect(z.parse(a, "hello")).toEqual("HELLO");
+  expect(() => z.parse(a, 123)).toThrow();
+});
+
+test("z.transform async", async () => {
+  const a = z.pipe(
+    z.string(),
+    z.transform(async (val) => val.toUpperCase())
+  );
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<string>();
+  expect(await z.parseAsync(a, "hello")).toEqual("HELLO");
+  await expect(() => z.parseAsync(a, 123)).rejects.toThrow();
+});
+
+test("z.preprocess", () => {
+  const a = z.pipe(
+    z.transform((val) => String(val).toUpperCase()),
+    z.string()
+  );
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<string>();
+  expect(z.parse(a, 123)).toEqual("123");
+  expect(z.parse(a, true)).toEqual("TRUE");
+  expect(z.parse(a, BigInt(1234))).toEqual("1234");
+  // expect(() => z.parse(a, Symbol("asdf"))).toThrow();
+});
+
+// test("z.preprocess async", () => {
+//   const a = z.preprocess(async (val) => String(val), z.string());
+//   type a = z.output<typeof a>;
+//   expectTypeOf<a>().toEqualTypeOf<string>();
+//   expect(z.parse(a, 123)).toEqual("123");
+//   expect(z.parse(a, true)).toEqual("true");
+//   expect(() => z.parse(a, {})).toThrow();
+// });
+
+test("z.optional", () => {
+  const a = z.optional(z.string());
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<string | undefined>();
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(z.parse(a, undefined)).toEqual(undefined);
+  expect(() => z.parse(a, 123)).toThrow();
+});
+
+test("z.nullable", () => {
+  const a = z.nullable(z.string());
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<string | null>();
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(z.parse(a, null)).toEqual(null);
+  expect(() => z.parse(a, 123)).toThrow();
+});
+
+test("z.default", () => {
+  const a = z._default(z.string(), "default");
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<string>();
+  expect(z.parse(a, undefined)).toEqual("default");
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(() => z.parse(a, 123)).toThrow();
+
+  const b = z._default(z.string(), () => "default");
+  expect(z.parse(b, undefined)).toEqual("default");
+  expect(z.parse(b, "hello")).toEqual("hello");
+  expect(() => z.parse(b, 123)).toThrow();
+});
+
+test("z.catch", () => {
+  const a = z.catch(z.string(), "default");
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<string>();
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(z.parse(a, 123)).toEqual("default");
+
+  const b = z.catch(z.string(), () => "default");
+  expect(z.parse(b, "hello")).toEqual("hello");
+  expect(z.parse(b, 123)).toEqual("default");
+
+  const c = z.catch(z.string(), (ctx) => {
+    return `${ctx.error.issues.length}issues`;
+  });
+  expect(z.parse(c, 1234)).toEqual("1issues");
+});
+
+test("z.nan", () => {
+  const a = z.nan();
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<number>();
+  expect(z.parse(a, Number.NaN)).toEqual(Number.NaN);
+  expect(() => z.parse(a, 123)).toThrow();
+  expect(() => z.parse(a, "NaN")).toThrow();
+});
+
+test("z.pipe", () => {
+  const a = z.pipe(
+    z.pipe(
+      z.string(),
+      z.transform((val) => val.length)
+    ),
+    z.number()
+  );
+  type a_in = z.input<typeof a>;
+  expectTypeOf<a_in>().toEqualTypeOf<string>();
+  type a_out = z.output<typeof a>;
+  expectTypeOf<a_out>().toEqualTypeOf<number>();
+
+  expect(z.parse(a, "123")).toEqual(3);
+  expect(z.parse(a, "hello")).toEqual(5);
+  expect(() => z.parse(a, 123)).toThrow();
+});
+
+test("z.readonly", () => {
+  const a = z.readonly(z.string());
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<Readonly<string>>();
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(() => z.parse(a, 123)).toThrow();
+});
+
+test("z.templateLiteral", () => {
+  const a = z.templateLiteral([z.string(), z.number()]);
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<`${string}${number}`>();
+  expect(z.parse(a, "hello123")).toEqual("hello123");
+  expect(() => z.parse(a, "hello")).toThrow();
+  expect(() => z.parse(a, 123)).toThrow();
+
+  // multipart
+  const b = z.templateLiteral([z.string(), z.number(), z.string()]);
+  type b = z.output<typeof b>;
+  expectTypeOf<b>().toEqualTypeOf<`${string}${number}${string}`>();
+  expect(z.parse(b, "hello123world")).toEqual("hello123world");
+  expect(z.parse(b, "123")).toEqual("123");
+  expect(() => z.parse(b, "hello")).toThrow();
+  expect(() => z.parse(b, 123)).toThrow();
+
+  // include boolean
+  const c = z.templateLiteral([z.string(), z.boolean()]);
+  type c = z.output<typeof c>;
+  expectTypeOf<c>().toEqualTypeOf<`${string}${boolean}`>();
+  expect(z.parse(c, "hellotrue")).toEqual("hellotrue");
+  expect(z.parse(c, "hellofalse")).toEqual("hellofalse");
+  expect(() => z.parse(c, "hello")).toThrow();
+  expect(() => z.parse(c, 123)).toThrow();
+
+  // include literal prefix
+  const d = z.templateLiteral([z.literal("hello"), z.number()]);
+  type d = z.output<typeof d>;
+  expectTypeOf<d>().toEqualTypeOf<`hello${number}`>();
+  expect(z.parse(d, "hello123")).toEqual("hello123");
+  expect(() => z.parse(d, 123)).toThrow();
+  expect(() => z.parse(d, "world123")).toThrow();
+
+  // include literal union
+  const e = z.templateLiteral([z.literal(["aa", "bb"]), z.number()]);
+  type e = z.output<typeof e>;
+  expectTypeOf<e>().toEqualTypeOf<`aa${number}` | `bb${number}`>();
+  expect(z.parse(e, "aa123")).toEqual("aa123");
+  expect(z.parse(e, "bb123")).toEqual("bb123");
+  expect(() => z.parse(e, "cc123")).toThrow();
+  expect(() => z.parse(e, 123)).toThrow();
+});
+
+// this returns both a schema and a check
+test("z.custom schema", () => {
+  const a = z.custom((val) => {
+    return typeof val === "string";
+  });
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(() => z.parse(a, 123)).toThrow();
+});
+
+test("z.custom check", () => {
+  // @ts-expect-error Inference not possible, use z.refine()
+  z.date().check(z.custom((val) => val.getTime() > 0));
+});
+
+test("z.check", () => {
+  // this is a more flexible version of z.custom that accepts an arbitrary _parse logic
+  // the function should return base.$ZodResult
+  const a = z.any().check(
+    z.check<string>((ctx) => {
+      if (typeof ctx.value === "string") return;
+      ctx.issues.push({
+        code: "custom",
+        origin: "custom",
+        message: "Expected a string",
+        input: ctx.value,
+      });
+    })
+  );
+  expect(z.safeParse(a, "hello")).toMatchObject({
+    success: true,
+    data: "hello",
+  });
+  expect(z.safeParse(a, 123)).toMatchObject({
+    success: false,
+    error: { issues: [{ code: "custom", message: "Expected a string" }] },
+  });
+});
+
+test("z.with (alias for z.check)", () => {
+  // .with() should work exactly the same as .check()
+  const a = z.any().with(
+    z.check<string>((ctx) => {
+      if (typeof ctx.value === "string") return;
+      ctx.issues.push({
+        code: "custom",
+        origin: "custom",
+        message: "Expected a string",
+        input: ctx.value,
+      });
+    })
+  );
+  expect(z.safeParse(a, "hello")).toMatchObject({
+    success: true,
+    data: "hello",
+  });
+  expect(z.safeParse(a, 123)).toMatchObject({
+    success: false,
+    error: { issues: [{ code: "custom", message: "Expected a string" }] },
+  });
+
+  // Test with refine
+  const b = z.string().with(z.refine((val) => val.length > 3, "Must be longer than 3"));
+  expect(z.safeParse(b, "hello").success).toBe(true);
+  expect(z.safeParse(b, "hi").success).toBe(false);
+
+  // Test with function
+  const c = z.string().with(({ value, issues }) => {
+    if (value.length <= 3) {
+      issues.push({
+        code: "custom",
+        input: value,
+        message: "Must be longer than 3",
+      });
+    }
+  });
+  expect(z.safeParse(c, "hello").success).toBe(true);
+  expect(z.safeParse(c, "hi").success).toBe(false);
+});
+
+test("z.instanceof", () => {
+  class A {}
+
+  const a = z.instanceof(A);
+  expect(z.parse(a, new A())).toBeInstanceOf(A);
+  expect(() => z.parse(a, {})).toThrow();
+});
+
+test("z.refine", () => {
+  const a = z.number().check(
+    z.refine((val) => val > 3),
+    z.refine((val) => val < 10)
+  );
+  expect(z.parse(a, 5)).toEqual(5);
+  expect(() => z.parse(a, 2)).toThrow();
+  expect(() => z.parse(a, 11)).toThrow();
+  expect(() => z.parse(a, "hi")).toThrow();
+});
+
+// test("z.superRefine", () => {
+//   const a = z.number([
+//     z.superRefine((val, ctx) => {
+//       if (val < 3) {
+//         return ctx.addIssue({
+//           code: "custom",
+//           origin: "custom",
+//           message: "Too small",
+//           input: val,
+//         });
+//       }
+//       if (val > 10) {
+//         return ctx.addIssue("Too big");
+//       }
+//     }),
+//   ]);
+
+//   expect(z.parse(a, 5)).toEqual(5);
+//   expect(() => z.parse(a, 2)).toThrow();
+//   expect(() => z.parse(a, 11)).toThrow();
+//   expect(() => z.parse(a, "hi")).toThrow();
+// });
+
+test("z.transform", () => {
+  const a = z.transform((val: number) => {
+    return `${val}`;
+  });
+  type a_in = z.input<typeof a>;
+  expectTypeOf<a_in>().toEqualTypeOf<number>();
+  type a_out = z.output<typeof a>;
+  expectTypeOf<a_out>().toEqualTypeOf<string>();
+  expect(z.parse(a, 123)).toEqual("123");
+});
+
+test("z.$brand()", () => {
+  const a = z.string().brand<"my-brand">();
+  type a = z.output<typeof a>;
+  const branded = (_: a) => {};
+  // @ts-expect-error
+  branded("asdf");
+});
+
+test("z.lazy", () => {
+  const a = z.lazy(() => z.string());
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<string>();
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(() => z.parse(a, 123)).toThrow();
+});
+
+// schema that validates JSON-like data
+test("z.json", () => {
+  const a = z.json();
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<util.JSONType>();
+
+  expect(z.parse(a, "hello")).toEqual("hello");
+  expect(z.parse(a, 123)).toEqual(123);
+  expect(z.parse(a, true)).toEqual(true);
+  expect(z.parse(a, null)).toEqual(null);
+  expect(z.parse(a, {})).toEqual({});
+  expect(z.parse(a, { a: "hello" })).toEqual({ a: "hello" });
+  expect(z.parse(a, [1, 2, 3])).toEqual([1, 2, 3]);
+  expect(z.parse(a, [{ a: "hello" }])).toEqual([{ a: "hello" }]);
+
+  // fail cases
+  expect(() => z.parse(a, new Date())).toThrow();
+  expect(() => z.parse(a, Symbol())).toThrow();
+  expect(() => z.parse(a, { a: new Date() })).toThrow();
+  expect(() => z.parse(a, undefined)).toThrow();
+  expect(() => z.parse(a, { a: undefined })).toThrow();
+});
+
+// promise
+test("z.promise", async () => {
+  const a = z.promise(z.string());
+  type a = z.output<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<Promise<string>>();
+
+  expect(await z.safeParseAsync(a, Promise.resolve("hello"))).toMatchObject({
+    success: true,
+    data: "hello",
+  });
+  expect(await z.safeParseAsync(a, Promise.resolve(123))).toMatchObject({
+    success: false,
+  });
+
+  const b = z.string();
+  expect(() => z.parse(b, Promise.resolve("hello"))).toThrow();
+});
+// test("type assertions", () => {
+//   const schema = z.pipe(
+//     z.string(),
+//     z.transform((val) => val.length)
+//   );
+//   schema.assertInput<string>();
+//   // @ts-expect-error
+//   schema.assertInput<number>();
+
+//   schema.assertOutput<number>();
+//   // @ts-expect-error
+//   schema.assertOutput<string>();
+// });
+
+test("isPlainObject", () => {
+  expect(z.core.util.isPlainObject({})).toEqual(true);
+  expect(z.core.util.isPlainObject(Object.create(null))).toEqual(true);
+  expect(z.core.util.isPlainObject([])).toEqual(false);
+  expect(z.core.util.isPlainObject(new Date())).toEqual(false);
+  expect(z.core.util.isPlainObject(null)).toEqual(false);
+  expect(z.core.util.isPlainObject(undefined)).toEqual(false);
+  expect(z.core.util.isPlainObject("string")).toEqual(false);
+  expect(z.core.util.isPlainObject(123)).toEqual(false);
+  expect(z.core.util.isPlainObject(Symbol())).toEqual(false);
+  expect(z.core.util.isPlainObject({ constructor: "string" })).toEqual(true);
+  expect(z.core.util.isPlainObject({ constructor: 123 })).toEqual(true);
+  expect(z.core.util.isPlainObject({ constructor: null })).toEqual(true);
+  expect(z.core.util.isPlainObject({ constructor: undefined })).toEqual(true);
+  expect(z.core.util.isPlainObject({ constructor: true })).toEqual(true);
+  expect(z.core.util.isPlainObject({ constructor: {} })).toEqual(true);
+  expect(z.core.util.isPlainObject({ constructor: [] })).toEqual(true);
+});
+
+test("shallowClone with constructor field", () => {
+  const objWithConstructor = { constructor: "string", key: "value" };
+  const cloned = z.core.util.shallowClone(objWithConstructor);
+
+  expect(cloned).toEqual(objWithConstructor);
+  expect(cloned).not.toBe(objWithConstructor);
+  expect(cloned.constructor).toBe("string");
+  expect(cloned.key).toBe("value");
+
+  const testCases = [
+    { constructor: 123, data: "test" },
+    { constructor: null, data: "test" },
+    { constructor: true, data: "test" },
+    { constructor: {}, data: "test" },
+    { constructor: [], data: "test" },
+  ];
+
+  for (const testCase of testCases) {
+    const clonedCase = z.core.util.shallowClone(testCase);
+    expect(clonedCase).toEqual(testCase);
+    expect(clonedCase).not.toBe(testCase);
+  }
+});
+
+test("def typing", () => {
+  z.string().def.type satisfies "string";
+  z.number().def.type satisfies "number";
+  z.bigint().def.type satisfies "bigint";
+  z.boolean().def.type satisfies "boolean";
+  z.date().def.type satisfies "date";
+  z.symbol().def.type satisfies "symbol";
+  z.undefined().def.type satisfies "undefined";
+  z.string().nullable().def.type satisfies "nullable";
+  z.null().def.type satisfies "null";
+  z.any().def.type satisfies "any";
+  z.unknown().def.type satisfies "unknown";
+  z.never().def.type satisfies "never";
+  z.void().def.type satisfies "void";
+  z.array(z.string()).def.type satisfies "array";
+  z.object({ key: z.string() }).def.type satisfies "object";
+  z.union([z.string(), z.number()]).def.type satisfies "union";
+  z.intersection(z.string(), z.number()).def.type satisfies "intersection";
+  z.tuple([z.string(), z.number()]).def.type satisfies "tuple";
+  z.record(z.string(), z.number()).def.type satisfies "record";
+  z.map(z.string(), z.number()).def.type satisfies "map";
+  z.set(z.string()).def.type satisfies "set";
+  z.literal("example").def.type satisfies "literal";
+  z.enum(["a", "b", "c"]).def.type satisfies "enum";
+  z.promise(z.string()).def.type satisfies "promise";
+  z.lazy(() => z.string()).def.type satisfies "lazy";
+  z.string().optional().def.type satisfies "optional";
+  z.string().default("default").def.type satisfies "default";
+  z.templateLiteral([z.literal("a"), z.literal("b")]).def.type satisfies "template_literal";
+  z.custom<string>((val) => typeof val === "string").def.type satisfies "custom";
+  z.transform((val) => val as string).def.type satisfies "transform";
+  z.string().optional().nonoptional().def.type satisfies "nonoptional";
+  z.object({ key: z.string() }).readonly().def.type satisfies "readonly";
+  z.nan().def.type satisfies "nan";
+  z.unknown().pipe(z.number()).def.type satisfies "pipe";
+  z.success(z.string()).def.type satisfies "success";
+  z.string().catch("fallback").def.type satisfies "catch";
+  z.file().def.type satisfies "file";
+});
+
+test("runtime type property exists and returns correct values", () => {
+  const stringSchema = z.string();
+  expect(stringSchema.type).toBe("string");
+});
+
+test("type narrowing works with type property", () => {
+  type ArrayOrRecord = z.ZodArray<z.ZodString> | z.ZodRecord<z.ZodString, z.ZodAny>;
+  const arraySchema = z.array(z.string()) as ArrayOrRecord;
+
+  if (arraySchema.type === "array") {
+    expectTypeOf(arraySchema).toEqualTypeOf<z.ZodArray<z.ZodString>>();
+    expect(arraySchema.element).toBeDefined();
+  }
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/instanceof.test.ts

@@ -0,0 +1,60 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+test("instanceof", async () => {
+  class Test {}
+  class Subtest extends Test {}
+  abstract class AbstractBar {
+    constructor(public val: string) {}
+  }
+  class Bar extends AbstractBar {}
+
+  const TestSchema = z.instanceof(Test);
+  const SubtestSchema = z.instanceof(Subtest);
+  const AbstractSchema = z.instanceof(AbstractBar);
+  const BarSchema = z.instanceof(Bar);
+
+  TestSchema.parse(new Test());
+  TestSchema.parse(new Subtest());
+  SubtestSchema.parse(new Subtest());
+  AbstractSchema.parse(new Bar("asdf"));
+  const bar = BarSchema.parse(new Bar("asdf"));
+  expect(bar.val).toEqual("asdf");
+
+  await expect(() => SubtestSchema.parse(new Test())).toThrow();
+  await expect(() => TestSchema.parse(12)).toThrow();
+
+  expectTypeOf<Test>().toEqualTypeOf<z.infer<typeof TestSchema>>();
+});
+
+test("instanceof fatal", () => {
+  const schema = z.instanceof(Date).refine((d) => d.toString());
+  const res = schema.safeParse(null);
+  expect(res.success).toBe(false);
+});
+
+test("instanceof respects customError", () => {
+  class Test {
+    name!: string;
+  }
+
+  z.config({
+    customError: () => {
+      return "This is invalid!";
+    },
+  });
+
+  const TestSchema = z.instanceof(Test);
+  const result = TestSchema.safeParse("whatever");
+  expect(result.success).toBe(false);
+  if (!result.success) {
+    const issue = result.error.issues[0];
+    expect(issue.code).toBe("invalid_type");
+    if (issue.code === "invalid_type") {
+      expect(issue.expected).toBe("Test");
+    }
+    expect(issue.message).toBe("This is invalid!");
+  }
+
+  z.config({ customError: undefined });
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/intersection.test.ts

@@ -0,0 +1,198 @@
+import { expect, expectTypeOf, test } from "vitest";
+import type { util } from "zod/v4/core";
+
+import * as z from "zod/v4";
+
+test("object intersection", () => {
+  const A = z.object({ a: z.string() });
+  const B = z.object({ b: z.string() });
+
+  const C = z.intersection(A, B); // BaseC.merge(HasID);
+  type C = z.infer<typeof C>;
+  expectTypeOf<C>().toEqualTypeOf<{ a: string } & { b: string }>();
+  const data = { a: "foo", b: "foo" };
+  expect(C.parse(data)).toEqual(data);
+  expect(() => C.parse({ a: "foo" })).toThrow();
+});
+
+test("object intersection: loose", () => {
+  const A = z.looseObject({ a: z.string() });
+  const B = z.object({ b: z.string() });
+
+  const C = z.intersection(A, B); // BaseC.merge(HasID);
+  type C = z.infer<typeof C>;
+  expectTypeOf<C>().toEqualTypeOf<{ a: string; [x: string]: unknown } & { b: string }>();
+  const data = { a: "foo", b: "foo", c: "extra" };
+  expect(C.parse(data)).toEqual(data);
+  expect(() => C.parse({ a: "foo" })).toThrow();
+});
+
+test("object intersection: strict + strip", () => {
+  const A = z.strictObject({ a: z.string() });
+  const B = z.object({ b: z.string() });
+
+  const C = z.intersection(A, B);
+  type C = z.infer<typeof C>;
+  expectTypeOf<C>().toEqualTypeOf<{ a: string } & { b: string }>();
+
+  // Keys recognized by either side should work
+  expect(C.parse({ a: "foo", b: "bar" })).toEqual({ a: "foo", b: "bar" });
+
+  // Extra keys are stripped (follows strip behavior from B)
+  expect(C.parse({ a: "foo", b: "bar", c: "extra" })).toEqual({ a: "foo", b: "bar" });
+});
+
+test("object intersection: strict + strict", () => {
+  const A = z.strictObject({ a: z.string() });
+  const B = z.strictObject({ b: z.string() });
+
+  const C = z.intersection(A, B);
+
+  // Keys recognized by either side should work
+  expect(C.parse({ a: "foo", b: "bar" })).toEqual({ a: "foo", b: "bar" });
+
+  // Keys unrecognized by BOTH sides should error
+  const result = C.safeParse({ a: "foo", b: "bar", c: "extra" });
+  expect(result.error?.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "unrecognized_keys",
+        "keys": [
+          "c",
+        ],
+        "message": "Unrecognized key: "c"",
+        "path": [],
+      },
+    ]
+  `);
+});
+
+test("deep intersection", () => {
+  const Animal = z.object({
+    properties: z.object({
+      is_animal: z.boolean(),
+    }),
+  });
+  const Cat = z.intersection(
+    z.object({
+      properties: z.object({
+        jumped: z.boolean(),
+      }),
+    }),
+    Animal
+  );
+
+  type Cat = util.Flatten<z.infer<typeof Cat>>;
+  expectTypeOf<Cat>().toEqualTypeOf<{ properties: { is_animal: boolean } & { jumped: boolean } }>();
+  const a = Cat.safeParse({ properties: { is_animal: true, jumped: true } });
+  expect(a.data!.properties).toEqual({ is_animal: true, jumped: true });
+});
+
+test("deep intersection of arrays", async () => {
+  const Author = z.object({
+    posts: z.array(
+      z.object({
+        post_id: z.number(),
+      })
+    ),
+  });
+  const Registry = z.intersection(
+    Author,
+    z.object({
+      posts: z.array(
+        z.object({
+          title: z.string(),
+        })
+      ),
+    })
+  );
+
+  const posts = [
+    { post_id: 1, title: "Novels" },
+    { post_id: 2, title: "Fairy tales" },
+  ];
+  const cat = Registry.parse({ posts });
+  expect(cat.posts).toEqual(posts);
+  const asyncCat = await Registry.parseAsync({ posts });
+  expect(asyncCat.posts).toEqual(posts);
+});
+
+test("invalid intersection types", async () => {
+  const numberIntersection = z.intersection(
+    z.number(),
+    z.number().transform((x) => x + 1)
+  );
+
+  expect(() => {
+    numberIntersection.parse(1234);
+  }).toThrowErrorMatchingInlineSnapshot(`[Error: Unmergable intersection. Error path: []]`);
+});
+
+test("invalid array merge (incompatible lengths)", async () => {
+  const stringArrInt = z.intersection(
+    z.string().array(),
+    z
+      .string()
+      .array()
+      .transform((val) => [...val, "asdf"])
+  );
+
+  expect(() => stringArrInt.safeParse(["asdf", "qwer"])).toThrowErrorMatchingInlineSnapshot(
+    `[Error: Unmergable intersection. Error path: []]`
+  );
+});
+
+test("invalid array merge (incompatible elements)", async () => {
+  const stringArrInt = z.intersection(
+    z.string().array(),
+    z
+      .string()
+      .array()
+      .transform((val) => [...val.slice(0, -1), "asdf"])
+  );
+
+  expect(() => stringArrInt.safeParse(["asdf", "qwer"])).toThrowErrorMatchingInlineSnapshot(
+    `[Error: Unmergable intersection. Error path: [1]]`
+  );
+});
+
+test("invalid object merge", async () => {
+  const Cat = z.object({
+    phrase: z.string().transform((val) => `${val} Meow`),
+  });
+  const Dog = z.object({
+    phrase: z.string().transform((val) => `${val} Woof`),
+  });
+  const CatDog = z.intersection(Cat, Dog);
+
+  expect(() => CatDog.parse({ phrase: "Hello, my name is CatDog." })).toThrowErrorMatchingInlineSnapshot(
+    `[Error: Unmergable intersection. Error path: ["phrase"]]`
+  );
+});
+
+test("invalid deep merge of object and array combination", async () => {
+  const University = z.object({
+    students: z.array(
+      z.object({
+        name: z.string().transform((val) => `Student name: ${val}`),
+      })
+    ),
+  });
+  const Registry = z.intersection(
+    University,
+    z.object({
+      students: z.array(
+        z.object({
+          name: z.string(),
+          surname: z.string(),
+        })
+      ),
+    })
+  );
+
+  const students = [{ name: "John", surname: "Doe" }];
+
+  expect(() => Registry.parse({ students })).toThrowErrorMatchingInlineSnapshot(
+    `[Error: Unmergable intersection. Error path: ["students",0,"name"]]`
+  );
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/json.test.ts

@@ -0,0 +1,109 @@
+import { expect, test } from "vitest";
+
+test("placeholder test", () => {
+  expect(2).toBe(2);
+});
+// test("overload types", () => {
+//   const schema = z.string().json();
+//   util.assertEqual<typeof schema, z.ZodString>(true);
+//   const schema2 = z.string().json(z.number());
+//   util.assertEqual<typeof schema2, z.ZodPipe<z.ZodTransform<any, string>, z.ZodNumber>>(true);
+//   const r2 = schema2.parse("12");
+//   util.assertEqual<number, typeof r2>(true);
+// });
+// test("parse string to json", async () => {
+//   const Env = z.object({
+//     myJsonConfig: z.string().jsonString(z.object({ foo: z.number() })),
+//     someOtherValue: z.string(),
+//   });
+
+//   expect(
+//     Env.parse({
+//       myJsonConfig: '{ "foo": 123 }',
+//       someOtherValue: "abc",
+//     })
+//   ).toEqual({
+//     myJsonConfig: { foo: 123 },
+//     someOtherValue: "abc",
+//   });
+
+//   const invalidValues = Env.safeParse({
+//     myJsonConfig: '{"foo": "not a number!"}',
+//     someOtherValue: null,
+//   });
+//   expect(JSON.parse(JSON.stringify(invalidValues))).toEqual({
+//     success: false,
+//     error: {
+//       name: "ZodError",
+//       issues: [
+//         {
+//           code: "invalid_type",
+//           expected: "number",
+//           input: "not a number!",
+//           received: "string",
+//           path: ["myJsonConfig", "foo"],
+//           message: "Expected number, received string",
+//         },
+//         {
+//           code: "invalid_type",
+//           expected: "string",
+//           input: null,
+//           received: "null",
+//           path: ["someOtherValue"],
+//           message: "Expected string, received null",
+//         },
+//       ],
+//     },
+//   });
+
+//   const invalidJsonSyntax = Env.safeParse({
+//     myJsonConfig: "This is not valid json",
+//     someOtherValue: null,
+//   });
+//   expect(JSON.parse(JSON.stringify(invalidJsonSyntax))).toMatchObject({
+//     success: false,
+//     error: {
+//       name: "ZodError",
+//       issues: [
+//         {
+//           code: "invalid_string",
+//           input: {
+//             _def: {
+//               catchall: {
+//                 _def: {
+//                   typeName: "ZodNever",
+//                 },
+//               },
+//               typeName: "ZodObject",
+//               unknownKeys: "strip",
+//             },
+//           },
+//           validation: "json",
+//           message: "Invalid json",
+//           path: ["myJsonConfig"],
+//         },
+//         {
+//           code: "invalid_type",
+//           expected: "string",
+//           input: null,
+//           received: "null",
+//           path: ["someOtherValue"],
+//           message: "Expected string, received null",
+//         },
+//       ],
+//     },
+//   });
+// });
+
+// test("no argument", () => {
+//   const schema = z.string().json();
+//   util.assertEqual<typeof schema, z.ZodString>(true);
+//   z.string().json().parse(`{}`);
+//   z.string().json().parse(`null`);
+//   z.string().json().parse(`12`);
+//   z.string().json().parse(`{ "test": "test"}`);
+//   expect(() => z.string().json().parse(`asdf`)).toThrow();
+//   expect(() => z.string().json().parse(`{ "test": undefined }`)).toThrow();
+//   expect(() => z.string().json().parse(`{ "test": 12n }`)).toThrow();
+//   expect(() => z.string().json().parse(`{ test: "test" }`)).toThrow();
+// });

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/lazy.test.ts

@@ -0,0 +1,227 @@
+import { expect, expectTypeOf, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("opt passthrough", () => {
+  const object = z.object({
+    a: z.lazy(() => z.string()),
+    b: z.lazy(() => z.string().optional()),
+    c: z.lazy(() => z.string().default("default")),
+  });
+
+  type ObjectTypeIn = z.input<typeof object>;
+  expectTypeOf<ObjectTypeIn>().toEqualTypeOf<{
+    a: string;
+    b?: string | undefined;
+    c?: string | undefined;
+  }>();
+
+  type ObjectTypeOut = z.output<typeof object>;
+  expectTypeOf<ObjectTypeOut>().toEqualTypeOf<{
+    a: string;
+    b?: string | undefined;
+    c: string;
+  }>();
+
+  const result = object.parse(
+    {
+      a: "hello",
+      b: undefined,
+    },
+    { jitless: true }
+  );
+  expect(result).toEqual({
+    a: "hello",
+    // b: undefined,
+    c: "default",
+  });
+
+  expect(z.lazy(() => z.string())._zod.optin).toEqual(undefined);
+  expect(z.lazy(() => z.string())._zod.optout).toEqual(undefined);
+
+  expect(z.lazy(() => z.string().optional())._zod.optin).toEqual("optional");
+  expect(z.lazy(() => z.string().optional())._zod.optout).toEqual("optional");
+
+  expect(z.lazy(() => z.string().default("asdf"))._zod.optin).toEqual("optional");
+  expect(z.lazy(() => z.string().default("asdf"))._zod.optout).toEqual(undefined);
+});
+
+//////////////   LAZY   //////////////
+
+test("schema getter", () => {
+  z.lazy(() => z.string()).parse("asdf");
+});
+
+test("lazy proxy", () => {
+  const schema = z.lazy(() => z.string())._zod.innerType.min(6);
+  schema.parse("123456");
+  expect(schema.safeParse("12345").success).toBe(false);
+});
+
+interface Category {
+  name: string;
+  subcategories: Category[];
+}
+
+const testCategory: Category = {
+  name: "I",
+  subcategories: [
+    {
+      name: "A",
+      subcategories: [
+        {
+          name: "1",
+          subcategories: [
+            {
+              name: "a",
+              subcategories: [],
+            },
+          ],
+        },
+      ],
+    },
+  ],
+};
+
+test("recursion with z.lazy", () => {
+  const Category: z.ZodType<Category> = z.lazy(() =>
+    z.object({
+      name: z.string(),
+      subcategories: z.array(Category),
+    })
+  );
+  Category.parse(testCategory);
+});
+
+type LinkedList = null | { value: number; next: LinkedList };
+
+const linkedListExample = {
+  value: 1,
+  next: {
+    value: 2,
+    next: {
+      value: 3,
+      next: {
+        value: 4,
+        next: null,
+      },
+    },
+  },
+};
+
+test("recursive union wit z.lazy", () => {
+  const LinkedListSchema: z.ZodType<LinkedList> = z.lazy(() =>
+    z.union([
+      z.null(),
+      z.object({
+        value: z.number(),
+        next: LinkedListSchema,
+      }),
+    ])
+  );
+  LinkedListSchema.parse(linkedListExample);
+});
+
+interface A {
+  val: number;
+  b: B;
+}
+
+interface B {
+  val: number;
+  a?: A | undefined;
+}
+
+test("mutual recursion with lazy", () => {
+  const Alazy: z.ZodType<A> = z.lazy(() =>
+    z.object({
+      val: z.number(),
+      b: Blazy,
+    })
+  );
+
+  const Blazy: z.ZodType<B> = z.lazy(() =>
+    z.object({
+      val: z.number(),
+      a: Alazy.optional(),
+    })
+  );
+
+  const testData = {
+    val: 1,
+    b: {
+      val: 5,
+      a: {
+        val: 3,
+        b: {
+          val: 4,
+          a: {
+            val: 2,
+            b: {
+              val: 1,
+            },
+          },
+        },
+      },
+    },
+  };
+
+  Alazy.parse(testData);
+  Blazy.parse(testData.b);
+
+  expect(() => Alazy.parse({ val: "asdf" })).toThrow();
+});
+
+// TODO
+test("mutual recursion with cyclical data", () => {
+  const a: any = { val: 1 };
+  const b: any = { val: 2 };
+  a.b = b;
+  b.a = a;
+});
+
+test("complicated self-recursion", () => {
+  const Category = z.object({
+    name: z.string(),
+    age: z.optional(z.number()),
+    get nullself() {
+      return Category.nullable();
+    },
+    get optself() {
+      return Category.optional();
+    },
+    get self() {
+      return Category;
+    },
+    get subcategories() {
+      return z.array(Category);
+    },
+    nested: z.object({
+      get sub() {
+        return Category;
+      },
+    }),
+  });
+
+  type _Category = z.output<typeof Category>;
+});
+
+test("lazy initialization", () => {
+  const a: any = z.lazy(() => a).optional();
+  const b: any = z.lazy(() => b).nullable();
+  const c: any = z.lazy(() => c).default({} as any);
+  const d: any = z.lazy(() => d).prefault({} as any);
+  const e: any = z.lazy(() => e).nonoptional();
+  const f: any = z.lazy(() => f).catch({} as any);
+  const g: any = z.lazy(() => z.object({ g })).readonly();
+
+  const baseCategorySchema = z.object({
+    name: z.string(),
+  });
+  type Category = z.infer<typeof baseCategorySchema> & {
+    subcategories: Category[];
+  };
+  const categorySchema: z.ZodType<Category> = baseCategorySchema.extend({
+    subcategories: z.lazy(() => categorySchema.array()),
+  });
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/literal.test.ts

@@ -0,0 +1,117 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+const literalTuna = z.literal("tuna");
+const literalTunaCustomMessage = z.literal("tuna", {
+  message: "That's not a tuna",
+});
+const literalFortyTwo = z.literal(42);
+const literalTrue = z.literal(true);
+
+test("passing validations", () => {
+  literalTuna.parse("tuna");
+  literalFortyTwo.parse(42);
+  literalTrue.parse(true);
+});
+
+test("failing validations", () => {
+  expect(() => literalTuna.parse("shark")).toThrow();
+  expect(() => literalFortyTwo.parse(43)).toThrow();
+  expect(() => literalTrue.parse(false)).toThrow();
+});
+
+test("invalid_literal should have `input` field with data", () => {
+  const data = "shark";
+  const result = literalTuna.safeParse(data);
+
+  const issue = result.error!.issues[0];
+  expect(issue.code).toBe("invalid_value");
+  expect(issue).toMatchInlineSnapshot(`
+    {
+      "code": "invalid_value",
+      "message": "Invalid input: expected "tuna"",
+      "path": [],
+      "values": [
+        "tuna",
+      ],
+    }
+  `);
+});
+
+test("invalid_literal should return default message", () => {
+  const data = "shark";
+  const result = literalTuna.safeParse(data);
+
+  const issue = result.error!.issues[0];
+  expect(issue.message).toEqual(`Invalid input: expected \"tuna\"`);
+});
+
+test("invalid_literal should return custom message", () => {
+  const data = "shark";
+  const result = literalTunaCustomMessage.safeParse(data);
+
+  const issue = result.error!.issues[0];
+  expect(issue.message).toEqual(`That's not a tuna`);
+});
+
+test("literal default error message", () => {
+  const result = z.literal("Tuna").safeParse("Trout");
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues.length).toEqual(1);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "invalid_value",
+        "values": [
+          "Tuna"
+        ],
+        "path": [],
+        "message": "Invalid input: expected \\"Tuna\\""
+      }
+    ]]
+  `);
+});
+
+test("literal bigint default error message", () => {
+  const result = z.literal(BigInt(12)).safeParse(BigInt(13));
+  expect(result.success).toBe(false);
+
+  expect(result.error!.issues.length).toEqual(1);
+  expect(result.error!.issues[0].message).toEqual(`Invalid input: expected 12n`);
+});
+
+test(".value getter", () => {
+  expect(z.literal("tuna").value).toEqual("tuna");
+  expect(() => z.literal([1, 2, 3]).value).toThrow();
+});
+
+test("readonly", () => {
+  const a = ["asdf"] as const;
+  z.literal(a);
+});
+
+test("literal pattern", () => {
+  expect(z.literal(1.1)._zod.pattern).toMatchInlineSnapshot(`/\\^\\(1\\\\\\.1\\)\\$/`);
+
+  expect(z.templateLiteral([z.literal(1.1)]).safeParse("1.1")).toMatchInlineSnapshot(`
+    {
+      "data": "1.1",
+      "success": true,
+    }
+  `);
+  expect(z.templateLiteral([z.literal(1.1)]).safeParse("1n1")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_format",
+        "format": "template_literal",
+        "pattern": "^(1\\\\.1)$",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/map.test.ts

@@ -0,0 +1,330 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+const stringMap = z.map(z.string(), z.string());
+type stringMap = z.infer<typeof stringMap>;
+
+const minTwo = stringMap.min(2);
+const maxTwo = stringMap.max(2);
+const justTwo = stringMap.size(2);
+const nonEmpty = stringMap.nonempty();
+const nonEmptyMax = stringMap.nonempty().max(2);
+
+test("type inference", () => {
+  expectTypeOf<stringMap>().toEqualTypeOf<Map<string, string>>();
+});
+
+test("valid parse", () => {
+  const result = stringMap.safeParse(
+    new Map([
+      ["first", "foo"],
+      ["second", "bar"],
+    ])
+  );
+  expect(result.success).toEqual(true);
+  expect(result.data).toMatchInlineSnapshot(`
+    Map {
+      "first" => "foo",
+      "second" => "bar",
+    }
+  `);
+});
+
+test("valid parse: size-related methods", () => {
+  expect(() => {
+    minTwo.parse(
+      new Map([
+        ["a", "b"],
+        ["c", "d"],
+      ])
+    );
+    minTwo.parse(
+      new Map([
+        ["a", "b"],
+        ["c", "d"],
+        ["e", "f"],
+      ])
+    );
+    maxTwo.parse(
+      new Map([
+        ["a", "b"],
+        ["c", "d"],
+      ])
+    );
+    maxTwo.parse(new Map([["a", "b"]]));
+    justTwo.parse(
+      new Map([
+        ["a", "b"],
+        ["c", "d"],
+      ])
+    );
+    nonEmpty.parse(new Map([["a", "b"]]));
+    nonEmptyMax.parse(
+      new Map([
+        ["a", "b"],
+        ["c", "d"],
+      ])
+    );
+  }).not.toThrow();
+
+  const sizeZeroResult = stringMap.parse(new Map());
+  expect(sizeZeroResult.size).toBe(0);
+
+  const sizeTwoResult = minTwo.parse(
+    new Map([
+      ["a", "b"],
+      ["c", "d"],
+    ])
+  );
+  expect(sizeTwoResult.size).toBe(2);
+});
+
+test("failing when parsing empty map in nonempty ", () => {
+  const result = nonEmpty.safeParse(new Map());
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues.length).toEqual(1);
+  expect(result.error!.issues[0].code).toEqual("too_small");
+});
+
+test("failing when map is bigger than max() ", () => {
+  const result = maxTwo.safeParse(
+    new Map([
+      ["a", "b"],
+      ["c", "d"],
+      ["e", "f"],
+    ])
+  );
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues.length).toEqual(1);
+  expect(result.error!.issues[0].code).toEqual("too_big");
+});
+
+test("valid parse async", async () => {
+  const asyncMap = z.map(
+    z.string().refine(async () => false, "bad key"),
+    z.string().refine(async () => false, "bad value")
+  );
+  const result = await asyncMap.safeParseAsync(new Map([["first", "foo"]]));
+  expect(result.success).toEqual(false);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [
+          "first"
+        ],
+        "message": "bad key"
+      },
+      {
+        "code": "custom",
+        "path": [
+          "first"
+        ],
+        "message": "bad value"
+      }
+    ]]
+  `);
+});
+
+test("throws when a Set is given", () => {
+  const result = stringMap.safeParse(new Set([]));
+  expect(result.success).toEqual(false);
+  if (result.success === false) {
+    expect(result.error.issues.length).toEqual(1);
+    expect(result.error.issues[0].code).toEqual("invalid_type");
+  }
+});
+
+test("throws when the given map has invalid key and invalid input", () => {
+  const result = stringMap.safeParse(new Map([[42, Symbol()]]));
+  expect(result.success).toEqual(false);
+  if (result.success === false) {
+    expect(result.error.issues.length).toEqual(2);
+    expect(result.error).toMatchInlineSnapshot(`
+      [ZodError: [
+        {
+          "expected": "string",
+          "code": "invalid_type",
+          "path": [
+            42
+          ],
+          "message": "Invalid input: expected string, received number"
+        },
+        {
+          "expected": "string",
+          "code": "invalid_type",
+          "path": [
+            42
+          ],
+          "message": "Invalid input: expected string, received symbol"
+        }
+      ]]
+    `);
+  }
+});
+
+test("throws when the given map has multiple invalid entries", () => {
+  // const result = stringMap.safeParse(new Map([[42, Symbol()]]));
+
+  const result = stringMap.safeParse(
+    new Map([
+      [1, "foo"],
+      ["bar", 2],
+    ] as [any, any][]) as Map<any, any>
+  );
+
+  // const result = stringMap.safeParse(new Map([[42, Symbol()]]));
+  expect(result.success).toEqual(false);
+  if (result.success === false) {
+    expect(result.error.issues.length).toEqual(2);
+    expect(result.error.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "invalid_type",
+          "expected": "string",
+          "message": "Invalid input: expected string, received number",
+          "path": [
+            1,
+          ],
+        },
+        {
+          "code": "invalid_type",
+          "expected": "string",
+          "message": "Invalid input: expected string, received number",
+          "path": [
+            "bar",
+          ],
+        },
+      ]
+    `);
+  }
+});
+
+test("dirty", async () => {
+  const map = z.map(
+    z.string().refine((val) => val === val.toUpperCase(), {
+      message: "Keys must be uppercase",
+    }),
+    z.string()
+  );
+  const result = await map.spa(
+    new Map([
+      ["first", "foo"],
+      ["second", "bar"],
+    ])
+  );
+  expect(result.success).toEqual(false);
+  if (!result.success) {
+    expect(result.error.issues.length).toEqual(2);
+    expect(result.error).toMatchInlineSnapshot(`
+      [ZodError: [
+        {
+          "code": "custom",
+          "path": [
+            "first"
+          ],
+          "message": "Keys must be uppercase"
+        },
+        {
+          "code": "custom",
+          "path": [
+            "second"
+          ],
+          "message": "Keys must be uppercase"
+        }
+      ]]
+    `);
+  }
+});
+
+test("map with object keys", () => {
+  const map = z.map(
+    z.object({
+      name: z.string(),
+      age: z.number(),
+    }),
+    z.string()
+  );
+  const data = new Map([
+    [{ name: "John", age: 30 }, "foo"],
+    [{ name: "Jane", age: 25 }, "bar"],
+  ]);
+  const result = map.safeParse(data);
+  expect(result.success).toEqual(true);
+  expect(result.data!).toEqual(data);
+
+  const badData = new Map([["bad", "foo"]]);
+  const badResult = map.safeParse(badData);
+  expect(badResult.success).toEqual(false);
+  expect(badResult.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "object",
+        "code": "invalid_type",
+        "path": [
+          "bad"
+        ],
+        "message": "Invalid input: expected object, received string"
+      }
+    ]]
+  `);
+});
+
+test("min/max", async () => {
+  const schema = stringMap.min(4).max(5);
+
+  const r1 = schema.safeParse(
+    new Map([
+      ["a", "a"],
+      ["b", "b"],
+      ["c", "c"],
+      ["d", "d"],
+    ])
+  );
+  expect(r1.success).toEqual(true);
+
+  const r2 = schema.safeParse(
+    new Map([
+      ["a", "a"],
+      ["b", "b"],
+      ["c", "c"],
+    ])
+  );
+  expect(r2.success).toEqual(false);
+  expect(r2.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_small",
+        "inclusive": true,
+        "message": "Too small: expected map to have >=4 entries",
+        "minimum": 4,
+        "origin": "map",
+        "path": [],
+      },
+    ]
+  `);
+
+  const r3 = schema.safeParse(
+    new Map([
+      ["a", "a"],
+      ["b", "b"],
+      ["c", "c"],
+      ["d", "d"],
+      ["e", "e"],
+      ["f", "f"],
+    ])
+  );
+  expect(r3.success).toEqual(false);
+  expect(r3.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_big",
+        "inclusive": true,
+        "maximum": 5,
+        "message": "Too big: expected map to have <=5 entries",
+        "origin": "map",
+        "path": [],
+      },
+    ]
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/nan.test.ts

@@ -0,0 +1,21 @@
+import { expect, expectTypeOf, test } from "vitest";
+
+import * as z from "zod/v4";
+
+const schema = z.nan();
+
+test("passing validations", () => {
+  schema.parse(Number.NaN);
+  schema.parse(Number("Not a number"));
+  expectTypeOf<typeof schema._output>().toEqualTypeOf<number>();
+});
+
+test("failing validations", () => {
+  expect(() => schema.parse(5)).toThrow();
+  expect(() => schema.parse("John")).toThrow();
+  expect(() => schema.parse(true)).toThrow();
+  expect(() => schema.parse(null)).toThrow();
+  expect(() => schema.parse(undefined)).toThrow();
+  expect(() => schema.parse({})).toThrow();
+  expect(() => schema.parse([])).toThrow();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/nested-refine.test.ts

@@ -0,0 +1,168 @@
+import { expect, test } from "vitest";
+import * as z from "zod/v4";
+
+test("nested refinements", () => {
+  const zodSchema = z
+    .object({
+      password: z.string().min(1),
+      nested: z
+        .object({
+          confirm: z
+            .string()
+            .min(1)
+            .refine((value) => value.length > 2, {
+              message: "Confirm length should be > 2",
+            }),
+        })
+        .refine(
+          (data) => {
+            return data.confirm === "bar";
+          },
+          {
+            path: ["confirm"],
+            error: 'Value must be "bar"',
+          }
+        ),
+    })
+    .refine(
+      (data) => {
+        return data.nested.confirm === data.password;
+      },
+      {
+        path: ["nested", "confirm"],
+        error: "Password and confirm must match",
+      }
+    );
+
+  const DATA = {
+    password: "bar",
+    nested: { confirm: "" },
+  };
+  expect(zodSchema.safeParse(DATA)).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "origin": "string",
+        "code": "too_small",
+        "minimum": 1,
+        "inclusive": true,
+        "path": [
+          "nested",
+          "confirm"
+        ],
+        "message": "Too small: expected string to have >=1 characters"
+      },
+      {
+        "code": "custom",
+        "path": [
+          "nested",
+          "confirm"
+        ],
+        "message": "Confirm length should be > 2"
+      },
+      {
+        "code": "custom",
+        "path": [
+          "nested",
+          "confirm"
+        ],
+        "message": "Value must be \\"bar\\""
+      },
+      {
+        "code": "custom",
+        "path": [
+          "nested",
+          "confirm"
+        ],
+        "message": "Password and confirm must match"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  expect(zodSchema.safeParse(DATA, { jitless: true })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "origin": "string",
+        "code": "too_small",
+        "minimum": 1,
+        "inclusive": true,
+        "path": [
+          "nested",
+          "confirm"
+        ],
+        "message": "Too small: expected string to have >=1 characters"
+      },
+      {
+        "code": "custom",
+        "path": [
+          "nested",
+          "confirm"
+        ],
+        "message": "Confirm length should be > 2"
+      },
+      {
+        "code": "custom",
+        "path": [
+          "nested",
+          "confirm"
+        ],
+        "message": "Value must be \\"bar\\""
+      },
+      {
+        "code": "custom",
+        "path": [
+          "nested",
+          "confirm"
+        ],
+        "message": "Password and confirm must match"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  expect(zodSchema["~standard"].validate(DATA)).toMatchInlineSnapshot(`
+    {
+      "issues": [
+        {
+          "code": "too_small",
+          "inclusive": true,
+          "message": "Too small: expected string to have >=1 characters",
+          "minimum": 1,
+          "origin": "string",
+          "path": [
+            "nested",
+            "confirm",
+          ],
+        },
+        {
+          "code": "custom",
+          "message": "Confirm length should be > 2",
+          "path": [
+            "nested",
+            "confirm",
+          ],
+        },
+        {
+          "code": "custom",
+          "message": "Value must be "bar"",
+          "path": [
+            "nested",
+            "confirm",
+          ],
+        },
+        {
+          "code": "custom",
+          "message": "Password and confirm must match",
+          "path": [
+            "nested",
+            "confirm",
+          ],
+        },
+      ],
+    }
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/nonoptional.test.ts

@@ -0,0 +1,101 @@
+import { expect, expectTypeOf, test } from "vitest";
+import { z } from "zod/v4";
+
+test("nonoptional", () => {
+  const schema = z.string().nonoptional();
+  expectTypeOf<typeof schema._input>().toEqualTypeOf<string>();
+  expectTypeOf<typeof schema._output>().toEqualTypeOf<string>();
+
+  const result = schema.safeParse(undefined);
+  expect(result.success).toBe(false);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("nonoptional with default", () => {
+  const schema = z.string().optional().nonoptional();
+  expectTypeOf<typeof schema._input>().toEqualTypeOf<string>();
+  expectTypeOf<typeof schema._output>().toEqualTypeOf<string>();
+
+  const result = schema.safeParse(undefined);
+  expect(result.success).toBe(false);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_type",
+        "expected": "nonoptional",
+        "path": [],
+        "message": "Invalid input: expected nonoptional, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("nonoptional in object", () => {
+  const schema = z.object({ hi: z.string().optional().nonoptional() });
+
+  expectTypeOf<typeof schema._input>().toEqualTypeOf<{ hi: string }>();
+  expectTypeOf<typeof schema._output>().toEqualTypeOf<{ hi: string }>();
+  const r1 = schema.safeParse({ hi: "asdf" });
+  expect(r1.success).toEqual(true);
+
+  const r2 = schema.safeParse({ hi: undefined });
+  // expect(schema.safeParse({ hi: undefined }).success).toEqual(false);
+  expect(r2.success).toEqual(false);
+  expect(r2.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "invalid_type",
+        "expected": "nonoptional",
+        "path": [
+          "hi"
+        ],
+        "message": "Invalid input: expected nonoptional, received undefined"
+      }
+    ]]
+  `);
+
+  const r3 = schema.safeParse({});
+  expect(r3.success).toEqual(false);
+  expect(r3.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "invalid_type",
+        "expected": "nonoptional",
+        "path": [
+          "hi"
+        ],
+        "message": "Invalid input: expected nonoptional, received undefined"
+      }
+    ]]
+  `);
+});
+
+test("encoding", () => {
+  const schema = z.string().optional().nonoptional();
+  expect(z.encode(schema, "hello")).toEqual("hello");
+  expect(() => z.encode(schema, undefined as any)).toThrowErrorMatchingInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "invalid_type",
+        "expected": "nonoptional",
+        "path": [],
+        "message": "Invalid input: expected nonoptional, received undefined"
+      }
+    ]]
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/nullable.test.ts

@@ -0,0 +1,22 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test(".nullable()", () => {
+  const nullable = z.string().nullable();
+  expect(nullable.parse(null)).toBe(null);
+  expect(nullable.parse("asdf")).toBe("asdf");
+  expect(() => nullable.parse(123)).toThrow();
+});
+
+test(".nullable unwrap", () => {
+  const schema = z.string().nullable();
+  expect(schema).toBeInstanceOf(z.ZodNullable);
+  expect(schema.unwrap()).toBeInstanceOf(z.ZodString);
+});
+
+test("z.null", () => {
+  const n = z.null();
+  expect(n.parse(null)).toBe(null);
+  expect(() => n.parse("asdf")).toThrow();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/number.test.ts

@@ -0,0 +1,270 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("z.number() basic validation", () => {
+  const schema = z.number();
+  expect(schema.parse(1234)).toEqual(1234);
+});
+
+test("NaN validation", () => {
+  const schema = z.number();
+  expect(() => schema.parse(Number.NaN)).toThrow();
+});
+
+test("Infinity validation", () => {
+  const schema = z.number();
+  expect(schema.safeParse(Number.POSITIVE_INFINITY)).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "number",
+        "code": "invalid_type",
+        "received": "Infinity",
+        "path": [],
+        "message": "Invalid input: expected number, received number"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(schema.safeParse(Number.NEGATIVE_INFINITY)).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "number",
+        "code": "invalid_type",
+        "received": "Infinity",
+        "path": [],
+        "message": "Invalid input: expected number, received number"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test(".gt() validation", () => {
+  const schema = z.number().gt(0).gt(5);
+  expect(schema.parse(6)).toEqual(6);
+  expect(() => schema.parse(5)).toThrow();
+});
+
+test(".gte() validation", () => {
+  const schema = z.number().gt(0).gte(1).gte(5);
+  expect(schema.parse(5)).toEqual(5);
+  expect(() => schema.parse(4)).toThrow();
+});
+
+test(".min() validation", () => {
+  const schema = z.number().min(0).min(5);
+  expect(schema.parse(5)).toEqual(5);
+  expect(() => schema.parse(4)).toThrow();
+});
+
+test(".lt() validation", () => {
+  const schema = z.number().lte(10).lt(5);
+  expect(schema.parse(4)).toEqual(4);
+  expect(() => schema.parse(5)).toThrow();
+});
+
+test(".lte() validation", () => {
+  const schema = z.number().lte(10).lte(5);
+  expect(schema.parse(5)).toEqual(5);
+  expect(() => schema.parse(6)).toThrow();
+});
+
+test(".max() validation", () => {
+  const schema = z.number().max(10).max(5);
+  expect(schema.parse(5)).toEqual(5);
+  expect(() => schema.parse(6)).toThrow();
+});
+
+test(".int() validation", () => {
+  const schema = z.number().int();
+  expect(schema.parse(4)).toEqual(4);
+  expect(() => schema.parse(3.14)).toThrow();
+});
+
+test(".positive() validation", () => {
+  const schema = z.number().positive();
+  expect(schema.parse(1)).toEqual(1);
+  expect(() => schema.parse(0)).toThrow();
+  expect(() => schema.parse(-1)).toThrow();
+});
+
+test(".negative() validation", () => {
+  const schema = z.number().negative();
+  expect(schema.parse(-1)).toEqual(-1);
+  expect(() => schema.parse(0)).toThrow();
+  expect(() => schema.parse(1)).toThrow();
+});
+
+test(".nonpositive() validation", () => {
+  const schema = z.number().nonpositive();
+  expect(schema.parse(0)).toEqual(0);
+  expect(schema.parse(-1)).toEqual(-1);
+  expect(() => schema.parse(1)).toThrow();
+});
+
+test(".nonnegative() validation", () => {
+  const schema = z.number().nonnegative();
+  expect(schema.parse(0)).toEqual(0);
+  expect(schema.parse(1)).toEqual(1);
+  expect(() => schema.parse(-1)).toThrow();
+});
+
+test("multipleOf", () => {
+  const numbers = {
+    number3: 5.123,
+    number6: 5.123456,
+    number7: 5.1234567,
+    number8: 5.12345678,
+  };
+
+  const schemas = {
+    schema6: z.number().multipleOf(0.000001),
+    schema7: z.number().multipleOf(0.0000001),
+  };
+
+  expect(() => schemas.schema6.parse(numbers.number3)).not.toThrow();
+  expect(() => schemas.schema6.parse(numbers.number6)).not.toThrow();
+  expect(() => schemas.schema6.parse(numbers.number7)).toThrow();
+  expect(() => schemas.schema6.parse(numbers.number8)).toThrow();
+  expect(() => schemas.schema7.parse(numbers.number3)).not.toThrow();
+  expect(() => schemas.schema7.parse(numbers.number6)).not.toThrow();
+  expect(() => schemas.schema7.parse(numbers.number7)).not.toThrow();
+  expect(() => schemas.schema7.parse(numbers.number8)).toThrow();
+});
+
+test(".multipleOf() with positive divisor", () => {
+  const schema = z.number().multipleOf(5);
+  expect(schema.parse(15)).toEqual(15);
+  expect(schema.parse(-15)).toEqual(-15);
+  expect(() => schema.parse(7.5)).toThrow();
+  expect(() => schema.parse(-7.5)).toThrow();
+});
+
+test(".multipleOf() with negative divisor", () => {
+  const schema = z.number().multipleOf(-5);
+  expect(schema.parse(-15)).toEqual(-15);
+  expect(schema.parse(15)).toEqual(15);
+  expect(() => schema.parse(-7.5)).toThrow();
+  expect(() => schema.parse(7.5)).toThrow();
+});
+
+test(".step() validation", () => {
+  const schemaPointOne = z.number().step(0.1);
+  const schemaPointZeroZeroZeroOne = z.number().step(0.0001);
+  const schemaSixPointFour = z.number().step(6.4);
+
+  expect(schemaPointOne.parse(6)).toEqual(6);
+  expect(schemaPointOne.parse(6.1)).toEqual(6.1);
+  expect(schemaSixPointFour.parse(12.8)).toEqual(12.8);
+  expect(schemaPointZeroZeroZeroOne.parse(3.01)).toEqual(3.01);
+  expect(() => schemaPointOne.parse(6.11)).toThrow();
+  expect(() => schemaPointOne.parse(6.1000000001)).toThrow();
+  expect(() => schemaSixPointFour.parse(6.41)).toThrow();
+});
+
+test(".finite() validation", () => {
+  const schema = z.number().finite();
+  expect(schema.parse(123)).toEqual(123);
+  expect(schema.safeParse(Number.POSITIVE_INFINITY)).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "number",
+        "code": "invalid_type",
+        "received": "Infinity",
+        "path": [],
+        "message": "Invalid input: expected number, received number"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(schema.safeParse(Number.NEGATIVE_INFINITY)).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "number",
+        "code": "invalid_type",
+        "received": "Infinity",
+        "path": [],
+        "message": "Invalid input: expected number, received number"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test(".safe() validation", () => {
+  const schema = z.number().safe();
+  expect(schema.parse(Number.MIN_SAFE_INTEGER)).toEqual(Number.MIN_SAFE_INTEGER);
+  expect(schema.parse(Number.MAX_SAFE_INTEGER)).toEqual(Number.MAX_SAFE_INTEGER);
+  expect(() => schema.parse(Number.MIN_SAFE_INTEGER - 1)).toThrow();
+  expect(() => schema.parse(Number.MAX_SAFE_INTEGER + 1)).toThrow();
+});
+
+test("min value getters", () => {
+  expect(z.number().minValue).toBeNull;
+  expect(z.number().lt(5).minValue).toBeNull;
+  expect(z.number().lte(5).minValue).toBeNull;
+  expect(z.number().max(5).minValue).toBeNull;
+  expect(z.number().negative().minValue).toBeNull;
+  expect(z.number().nonpositive().minValue).toBeNull;
+  expect(z.number().int().minValue).toBeNull;
+  expect(z.number().multipleOf(5).minValue).toBeNull;
+  expect(z.number().finite().minValue).toBeNull;
+  expect(z.number().gt(5).minValue).toEqual(5);
+  expect(z.number().gte(5).minValue).toEqual(5);
+  expect(z.number().min(5).minValue).toEqual(5);
+  expect(z.number().min(5).min(10).minValue).toEqual(10);
+  expect(z.number().positive().minValue).toEqual(0);
+  expect(z.number().nonnegative().minValue).toEqual(0);
+  expect(z.number().safe().minValue).toEqual(Number.MIN_SAFE_INTEGER);
+});
+
+test("max value getters", () => {
+  expect(z.number().maxValue).toBeNull;
+  expect(z.number().gt(5).maxValue).toBeNull;
+  expect(z.number().gte(5).maxValue).toBeNull;
+  expect(z.number().min(5).maxValue).toBeNull;
+  expect(z.number().positive().maxValue).toBeNull;
+  expect(z.number().nonnegative().maxValue).toBeNull;
+  expect(z.number().int().minValue).toBeNull;
+  expect(z.number().multipleOf(5).minValue).toBeNull;
+  expect(z.number().finite().minValue).toBeNull;
+  expect(z.number().lt(5).maxValue).toEqual(5);
+  expect(z.number().lte(5).maxValue).toEqual(5);
+  expect(z.number().max(5).maxValue).toEqual(5);
+  expect(z.number().max(5).max(1).maxValue).toEqual(1);
+  expect(z.number().negative().maxValue).toEqual(0);
+  expect(z.number().nonpositive().maxValue).toEqual(0);
+  expect(z.number().safe().maxValue).toEqual(Number.MAX_SAFE_INTEGER);
+});
+
+test("int getter", () => {
+  expect(z.number().isInt).toEqual(false);
+  expect(z.number().int().isInt).toEqual(true);
+  expect(z.number().safe().isInt).toEqual(true);
+  expect(z.number().multipleOf(5).isInt).toEqual(true);
+});
+
+/** In Zod 4, number schemas don't accept infinite values. */
+test("finite getter", () => {
+  expect(z.number().isFinite).toEqual(true);
+});
+
+test("string format methods", () => {
+  const a = z.int32().min(5);
+  expect(a.parse(6)).toEqual(6);
+  expect(() => a.parse(1)).toThrow();
+});
+
+test("error customization", () => {
+  z.number().gte(5, { error: (iss) => "Min: " + iss.minimum.valueOf() });
+  z.number().lte(5, { error: (iss) => "Max: " + iss.maximum.valueOf() });
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/object.test.ts

@@ -0,0 +1,640 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+import * as core from "zod/v4/core";
+
+const Test = z.object({
+  f1: z.number(),
+  f2: z.string().optional(),
+  f3: z.string().nullable(),
+  f4: z.array(z.object({ t: z.union([z.string(), z.boolean()]) })),
+});
+
+test("object type inference", () => {
+  type TestType = {
+    f1: number;
+    f2?: string | undefined;
+    f3: string | null;
+    f4: { t: string | boolean }[];
+  };
+
+  expectTypeOf<z.TypeOf<typeof Test>>().toEqualTypeOf<TestType>();
+});
+
+test("unknown throw", () => {
+  const asdf: unknown = 35;
+  expect(() => Test.parse(asdf)).toThrow();
+});
+
+test("shape() should return schema of particular key", () => {
+  const f1Schema = Test.shape.f1;
+  const f2Schema = Test.shape.f2;
+  const f3Schema = Test.shape.f3;
+  const f4Schema = Test.shape.f4;
+
+  expect(f1Schema).toBeInstanceOf(z.ZodNumber);
+  expect(f2Schema).toBeInstanceOf(z.ZodOptional);
+  expect(f3Schema).toBeInstanceOf(z.ZodNullable);
+  expect(f4Schema).toBeInstanceOf(z.ZodArray);
+});
+
+test("correct parsing", () => {
+  Test.parse({
+    f1: 12,
+    f2: "string",
+    f3: "string",
+    f4: [
+      {
+        t: "string",
+      },
+    ],
+  });
+
+  Test.parse({
+    f1: 12,
+    f3: null,
+    f4: [
+      {
+        t: false,
+      },
+    ],
+  });
+});
+
+test("nonstrict by default", () => {
+  z.object({ points: z.number() }).parse({
+    points: 2314,
+    unknown: "asdf",
+  });
+});
+
+test("parse optional keys ", () => {
+  const schema = z.object({
+    a: z.string().optional(),
+  });
+  expect(schema.parse({ a: "asdf" })).toEqual({ a: "asdf" });
+});
+
+test("empty object", () => {
+  const schema = z.object({});
+  expect(schema.parse({})).toEqual({});
+  expect(schema.parse({ name: "asdf" })).toEqual({});
+  expect(schema.safeParse(null).success).toEqual(false);
+  expect(schema.safeParse("asdf").success).toEqual(false);
+  expectTypeOf<z.output<typeof schema>>().toEqualTypeOf<Record<string, never>>();
+});
+
+const data = {
+  points: 2314,
+  unknown: "asdf",
+};
+
+test("strip by default", () => {
+  const val = z.object({ points: z.number() }).parse(data);
+  expect(val).toEqual({ points: 2314 });
+});
+
+test("unknownkeys override", () => {
+  const val = z.object({ points: z.number() }).strict().passthrough().strip().passthrough().parse(data);
+
+  expect(val).toEqual(data);
+});
+
+test("passthrough unknown", () => {
+  const val = z.object({ points: z.number() }).passthrough().parse(data);
+
+  expect(val).toEqual(data);
+});
+
+test("strip unknown", () => {
+  const val = z.object({ points: z.number() }).strip().parse(data);
+
+  expect(val).toEqual({ points: 2314 });
+});
+
+test("strict", () => {
+  const val = z.object({ points: z.number() }).strict().safeParse(data);
+
+  expect(val.success).toEqual(false);
+});
+
+test("catchall inference", () => {
+  const o1 = z
+    .object({
+      first: z.string(),
+    })
+    .catchall(z.number());
+
+  const d1 = o1.parse({ first: "asdf", num: 1243 });
+  // expectTypeOf<(typeof d1)["asdf"]>().toEqualTypeOf<number>();
+  expectTypeOf<(typeof d1)["first"]>().toEqualTypeOf<string>();
+});
+
+test("catchall overrides strict", () => {
+  const o1 = z.object({ first: z.string().optional() }).strict().catchall(z.number());
+
+  // should run fine
+  // setting a catchall overrides the unknownKeys behavior
+  o1.parse({
+    asdf: 1234,
+  });
+
+  // should only run catchall validation
+  // against unknown keys
+  o1.parse({
+    first: "asdf",
+    asdf: 1234,
+  });
+});
+
+test("catchall overrides strict", () => {
+  const o1 = z
+    .object({
+      first: z.string(),
+    })
+    .strict()
+    .catchall(z.number());
+
+  // should run fine
+  // setting a catchall overrides the unknownKeys behavior
+  o1.parse({
+    first: "asdf",
+    asdf: 1234,
+  });
+});
+
+test("optional keys are unset", () => {
+  const SNamedEntity = z.object({
+    id: z.string(),
+    set: z.string().optional(),
+    unset: z.string().optional(),
+  });
+  const result = SNamedEntity.parse({
+    id: "asdf",
+    set: undefined,
+  });
+  expect(Object.keys(result)).toEqual(["id", "set"]);
+});
+
+test("catchall parsing", async () => {
+  const result = z.object({ name: z.string() }).catchall(z.number()).parse({ name: "Foo", validExtraKey: 61 });
+
+  expect(result).toEqual({ name: "Foo", validExtraKey: 61 });
+
+  const result2 = z
+    .object({ name: z.string() })
+    .catchall(z.number())
+    .safeParse({ name: "Foo", validExtraKey: 61, invalid: "asdf" });
+
+  expect(result2.success).toEqual(false);
+});
+
+test("nonexistent keys", async () => {
+  const Schema = z.union([z.object({ a: z.string() }), z.object({ b: z.number() })]);
+  const obj = { a: "A" };
+  const result = await Schema.spa(obj); // Works with 1.11.10, breaks with 2.0.0-beta.21
+  expect(result.success).toBe(true);
+});
+
+test("test async union", async () => {
+  const Schema2 = z.union([
+    z.object({
+      ty: z.string(),
+    }),
+    z.object({
+      ty: z.number(),
+    }),
+  ]);
+
+  const obj = { ty: "A" };
+  const result = await Schema2.spa(obj); // Works with 1.11.10, breaks with 2.0.0-beta.21
+  expect(result.success).toEqual(true);
+});
+
+test("test inferred merged type", async () => {
+  const asdf = z.object({ a: z.string() }).merge(z.object({ a: z.number() }));
+  type asdf = z.infer<typeof asdf>;
+
+  expectTypeOf<asdf>().toEqualTypeOf<{ a: number }>();
+});
+
+test("inferred type with Record shape", () => {
+  type A = z.ZodObject<Record<string, z.ZodType<string, number>>>;
+  expectTypeOf<z.infer<A>>().toEqualTypeOf<Record<string, string>>();
+  expectTypeOf<z.input<A>>().toEqualTypeOf<Record<string, number>>();
+
+  type B = z.ZodObject;
+  expectTypeOf<z.infer<B>>().toEqualTypeOf<Record<string, unknown>>();
+  expectTypeOf<z.input<B>>().toEqualTypeOf<Record<string, unknown>>();
+});
+
+test("inferred merged object type with optional properties", async () => {
+  const Merged = z
+    .object({ a: z.string(), b: z.string().optional() })
+    .merge(z.object({ a: z.string().optional(), b: z.string() }));
+  type Merged = z.infer<typeof Merged>;
+  expectTypeOf<Merged>().toEqualTypeOf<{ a?: string; b: string }>();
+  expectTypeOf<Merged>().toEqualTypeOf<{ a?: string; b: string }>();
+});
+
+test("inferred unioned object type with optional properties", async () => {
+  const Unioned = z.union([
+    z.object({ a: z.string(), b: z.string().optional() }),
+    z.object({ a: z.string().optional(), b: z.string() }),
+  ]);
+  type Unioned = z.infer<typeof Unioned>;
+  expectTypeOf<Unioned>().toEqualTypeOf<{ a: string; b?: string } | { a?: string; b: string }>();
+});
+
+test("inferred enum type", async () => {
+  const Enum = z.object({ a: z.string(), b: z.string().optional() }).keyof();
+
+  expect(Enum.enum).toEqual({
+    a: "a",
+    b: "b",
+  });
+
+  expect(Enum._zod.def.entries).toEqual({
+    a: "a",
+    b: "b",
+  });
+  type Enum = z.infer<typeof Enum>;
+  expectTypeOf<Enum>().toEqualTypeOf<"a" | "b">();
+});
+
+test("z.keyof returns enum", () => {
+  const User = z.object({ name: z.string(), age: z.number() });
+  const keysSchema = z.keyof(User);
+  expect(keysSchema.enum).toEqual({
+    name: "name",
+    age: "age",
+  });
+  expect(keysSchema._zod.def.entries).toEqual({
+    name: "name",
+    age: "age",
+  });
+  type Keys = z.infer<typeof keysSchema>;
+  expectTypeOf<Keys>().toEqualTypeOf<"name" | "age">();
+});
+
+test("inferred partial object type with optional properties", async () => {
+  const Partial = z.object({ a: z.string(), b: z.string().optional() }).partial();
+  type Partial = z.infer<typeof Partial>;
+  expectTypeOf<Partial>().toEqualTypeOf<{ a?: string; b?: string }>();
+});
+
+test("inferred picked object type with optional properties", async () => {
+  const Picked = z.object({ a: z.string(), b: z.string().optional() }).pick({ b: true });
+  type Picked = z.infer<typeof Picked>;
+  expectTypeOf<Picked>().toEqualTypeOf<{ b?: string }>();
+});
+
+test("inferred type for unknown/any keys", () => {
+  const myType = z.object({
+    anyOptional: z.any().optional(),
+    anyRequired: z.any(),
+    unknownOptional: z.unknown().optional(),
+    unknownRequired: z.unknown(),
+  });
+  type myType = z.infer<typeof myType>;
+  expectTypeOf<myType>().toEqualTypeOf<{
+    anyOptional?: any;
+    anyRequired: any;
+    unknownOptional?: unknown;
+    unknownRequired: unknown;
+  }>();
+});
+
+test("strictObject", async () => {
+  const strictObj = z.strictObject({
+    name: z.string(),
+  });
+
+  const syncResult = strictObj.safeParse({ name: "asdf", unexpected: 13 });
+  expect(syncResult.success).toEqual(false);
+
+  const asyncResult = await strictObj.spa({ name: "asdf", unexpected: 13 });
+  expect(asyncResult.success).toEqual(false);
+});
+
+test("object with refine", async () => {
+  const schema = z
+    .object({
+      a: z.string().default("foo"),
+      b: z.number(),
+    })
+    .refine(() => true);
+  expect(schema.parse({ b: 5 })).toEqual({ b: 5, a: "foo" });
+  const result = await schema.parseAsync({ b: 5 });
+  expect(result).toEqual({ b: 5, a: "foo" });
+});
+
+test("intersection of object with date", async () => {
+  const schema = z.object({
+    a: z.date(),
+  });
+  expect(z.intersection(schema, schema).parse({ a: new Date(1637353595983) })).toEqual({
+    a: new Date(1637353595983),
+  });
+  const result = await schema.parseAsync({ a: new Date(1637353595983) });
+  expect(result).toEqual({ a: new Date(1637353595983) });
+});
+
+test("intersection of object with refine with date", async () => {
+  const schema = z
+    .object({
+      a: z.date(),
+    })
+    .refine(() => true);
+  expect(z.intersection(schema, schema).parse({ a: new Date(1637353595983) })).toEqual({
+    a: new Date(1637353595983),
+  });
+  const result = await schema.parseAsync({ a: new Date(1637353595983) });
+  expect(result).toEqual({ a: new Date(1637353595983) });
+});
+
+test("constructor key", () => {
+  const person = z
+    .object({
+      name: z.string(),
+    })
+    .strict();
+
+  expect(() =>
+    person.parse({
+      name: "bob dylan",
+      constructor: 61,
+    })
+  ).toThrow();
+});
+
+test("constructor key", () => {
+  const Example = z.object({
+    prop: z.string(),
+    opt: z.number().optional(),
+    arr: z.string().array(),
+  });
+
+  type Example = z.infer<typeof Example>;
+  expectTypeOf<keyof Example>().toEqualTypeOf<"prop" | "opt" | "arr">();
+});
+
+test("catchall", () => {
+  const a = z.object({});
+  expect(a._zod.def.catchall).toBeUndefined();
+
+  const b = z.strictObject({});
+  expect(b._zod.def.catchall).toBeInstanceOf(core.$ZodNever);
+
+  const c = z.looseObject({});
+  expect(c._zod.def.catchall).toBeInstanceOf(core.$ZodUnknown);
+
+  const d = z.object({}).catchall(z.number());
+  expect(d._zod.def.catchall).toBeInstanceOf(core.$ZodNumber);
+});
+
+test("unknownkeys merging", () => {
+  // This one is "strict"
+  const a = z.looseObject({
+    a: z.string(),
+  });
+
+  const b = z.strictObject({ b: z.string() });
+
+  // incoming object overrides
+  const c = a.merge(b);
+  expect(c._zod.def.catchall).toBeInstanceOf(core.$ZodNever);
+});
+
+const personToExtend = z.object({
+  firstName: z.string(),
+  lastName: z.string(),
+});
+
+test("extend() should return schema with new key", () => {
+  const PersonWithNickname = personToExtend.extend({ nickName: z.string() });
+  type PersonWithNickname = z.infer<typeof PersonWithNickname>;
+
+  const expected = { firstName: "f", nickName: "n", lastName: "l" };
+  const actual = PersonWithNickname.parse(expected);
+
+  expect(actual).toEqual(expected);
+  expectTypeOf<keyof PersonWithNickname>().toEqualTypeOf<"firstName" | "lastName" | "nickName">();
+  expectTypeOf<PersonWithNickname>().toEqualTypeOf<{ firstName: string; lastName: string; nickName: string }>();
+});
+
+test("extend() should have power to override existing key", () => {
+  const PersonWithNumberAsLastName = personToExtend.extend({
+    lastName: z.number(),
+  });
+  type PersonWithNumberAsLastName = z.infer<typeof PersonWithNumberAsLastName>;
+
+  const expected = { firstName: "f", lastName: 42 };
+  const actual = PersonWithNumberAsLastName.parse(expected);
+
+  expect(actual).toEqual(expected);
+  expectTypeOf<PersonWithNumberAsLastName>().toEqualTypeOf<{ firstName: string; lastName: number }>();
+});
+
+test("safeExtend() should have power to override existing key", () => {
+  const PersonWithMinLastName = personToExtend.safeExtend({
+    lastName: z.string().min(3),
+  });
+  type PersonWithMinLastName = z.infer<typeof PersonWithMinLastName>;
+
+  const expected = { firstName: "f", lastName: "abc" };
+  const actual = PersonWithMinLastName.parse(expected);
+
+  expect(actual).toEqual(expected);
+  expect(() => PersonWithMinLastName.parse({ firstName: "f", lastName: "ab" })).toThrow();
+  expectTypeOf<PersonWithMinLastName>().toEqualTypeOf<{ firstName: string; lastName: string }>();
+});
+
+test("safeExtend() maintains refinements", () => {
+  const schema = z.object({ name: z.string().min(1) });
+  const extended = schema.safeExtend({ name: z.string().min(2) });
+  expect(() => extended.parse({ name: "" })).toThrow();
+  expect(extended.parse({ name: "ab" })).toEqual({ name: "ab" });
+  type Extended = z.infer<typeof extended>;
+  expectTypeOf<Extended>().toEqualTypeOf<{ name: string }>();
+  // @ts-expect-error
+  schema.safeExtend({ name: z.number() });
+});
+
+test("passthrough index signature", () => {
+  const a = z.object({ a: z.string() });
+  type a = z.infer<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<{ a: string }>();
+  const b = a.passthrough();
+  type b = z.infer<typeof b>;
+  expectTypeOf<b>().toEqualTypeOf<{ a: string; [k: string]: unknown }>();
+});
+
+// test("xor", () => {
+//   type Without<T, U> = { [P in Exclude<keyof T, keyof U>]?: never };
+//   type XOR<T, U> = T extends object ? (U extends object ? (Without<T, U> & U) | (Without<U, T> & T) : U) : T;
+
+//   type A = { name: string; a: number };
+//   type B = { name: string; b: number };
+//   type C = XOR<A, B>;
+//   type Outer = { data: C };
+//   const Outer = z.object({
+//     data: z.union([z.object({ name: z.string(), a: z.number() }), z.object({ name: z.string(), b: z.number() })]),
+//   }) satisfies z.ZodType<Outer, any>;
+// });
+
+test("assignability", () => {
+  z.object({ a: z.string() }) satisfies z.ZodObject<{ a: z.ZodString }>;
+  z.object({ a: z.string() }).catchall(z.number()) satisfies z.ZodObject<{ a: z.ZodString }>;
+  z.object({ a: z.string() }).strict() satisfies z.ZodObject;
+  z.object({}) satisfies z.ZodObject;
+
+  z.looseObject({ name: z.string() }) satisfies z.ZodObject<
+    {
+      name: z.ZodString;
+    },
+    z.core.$loose
+  >;
+  z.looseObject({ name: z.string() }) satisfies z.ZodObject<{
+    name: z.ZodString;
+  }>;
+  z.strictObject({ name: z.string() }) satisfies z.ZodObject<
+    {
+      name: z.ZodString;
+    },
+    z.core.$loose
+  >;
+  z.strictObject({ name: z.string() }) satisfies z.ZodObject<
+    {
+      name: z.ZodString;
+    },
+    z.core.$strict
+  >;
+  z.object({ name: z.string() }) satisfies z.ZodObject<{
+    name: z.ZodString;
+  }>;
+  z.object({
+    a: z.string(),
+    b: z.number(),
+    c: z.boolean(),
+  }) satisfies z.core.$ZodObject;
+});
+
+test("null prototype", () => {
+  const schema = z.object({ a: z.string() });
+  const obj = Object.create(null);
+  obj.a = "foo";
+  expect(schema.parse(obj)).toEqual({ a: "foo" });
+});
+
+test("empty objects", () => {
+  const A = z.looseObject({});
+  type Ain = z.input<typeof A>;
+  expectTypeOf<Ain>().toEqualTypeOf<Record<string, unknown>>();
+  type Aout = z.output<typeof A>;
+  expectTypeOf<Aout>().toEqualTypeOf<Record<string, unknown>>();
+
+  const B = z.object({});
+  type Bout = z.output<typeof B>;
+  expectTypeOf<Bout>().toEqualTypeOf<Record<string, never>>();
+  type Bin = z.input<typeof B>;
+  expectTypeOf<Bin>().toEqualTypeOf<Record<string, never>>();
+
+  const C = z.strictObject({});
+  type Cout = z.output<typeof C>;
+  expectTypeOf<Cout>().toEqualTypeOf<Record<string, never>>();
+  type Cin = z.input<typeof C>;
+  expectTypeOf<Cin>().toEqualTypeOf<Record<string, never>>();
+});
+
+test("preserve key order", () => {
+  const schema = z.object({
+    a: z.string().optional(),
+    b: z.string(),
+  });
+  const r1 = schema.safeParse({ a: "asdf", b: "qwer" });
+  const r2 = schema.safeParse({ a: "asdf", b: "qwer" }, { jitless: true });
+
+  expect(Object.keys(r1.data!)).toMatchInlineSnapshot(`
+    [
+      "a",
+      "b",
+    ]
+  `);
+  expect(Object.keys(r1.data!)).toEqual(Object.keys(r2.data!));
+});
+
+test("empty shape", () => {
+  const a = z.object({});
+
+  a.parse({});
+  a.parse({}, { jitless: true });
+  a.parse(Object.create(null));
+  a.parse(Object.create(null), { jitless: true });
+
+  expect(() => a.parse([])).toThrow();
+  expect(() => a.parse([], { jitless: true })).toThrow();
+});
+
+test("zodtype assignability", () => {
+  // Does not error
+  z.object({ hello: z.string().optional() }) satisfies z.ZodType<{ hello?: string | undefined }>;
+  z.object({ hello: z.string() }) satisfies z.ZodType<{ hello?: string | undefined }>;
+  // @ts-expect-error
+  z.object({}) satisfies z.ZodType<{ hello: string | undefined }>;
+  // @ts-expect-error
+  z.object({ hello: z.string().optional() }) satisfies z.ZodType<{ hello: string | undefined }>;
+  // @ts-expect-error
+  z.object({ hello: z.string().optional() }) satisfies z.ZodType<{ hello: string }>;
+  // @ts-expect-error
+  z.object({ hello: z.number() }) satisfies z.ZodType<{ hello?: string | undefined }>;
+});
+
+test("index signature in shape", () => {
+  function makeZodObj<const T extends string>(key: T) {
+    return z.looseObject({
+      [key]: z.string(),
+    });
+  }
+
+  const schema = makeZodObj("foo");
+  type schema = z.infer<typeof schema>;
+
+  expectTypeOf<schema>().toEqualTypeOf<Record<string, string>>();
+});
+
+test("extend() on object with refinements should throw when overwriting properties", () => {
+  const schema = z
+    .object({
+      a: z.string(),
+    })
+    .refine(() => true);
+
+  expect(() => schema.extend({ a: z.number() })).toThrow();
+});
+
+test("extend() on object with refinements should not throw when adding new properties", () => {
+  const schema = z
+    .object({
+      a: z.string(),
+    })
+    .refine((data) => data.a.length > 0);
+
+  // Should not throw since 'b' doesn't overlap with 'a'
+  const extended = schema.extend({ b: z.number() });
+
+  // Verify the extended schema works correctly
+  expect(extended.parse({ a: "hello", b: 42 })).toEqual({ a: "hello", b: 42 });
+
+  // Verify the original refinement still applies
+  expect(() => extended.parse({ a: "", b: 42 })).toThrow();
+});
+
+test("safeExtend() on object with refinements should not throw", () => {
+  const schema = z
+    .object({
+      a: z.string(),
+    })
+    .refine(() => true);
+
+  expect(() => schema.safeExtend({ b: z.string() })).not.toThrow();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/optional.test.ts

@@ -0,0 +1,223 @@
+// @ts-ignore TS6133
+import { expect, expectTypeOf, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test(".optional()", () => {
+  const schema = z.string().optional();
+  expect(schema.parse("adsf")).toEqual("adsf");
+  expect(schema.parse(undefined)).toEqual(undefined);
+  expect(schema.safeParse(null).success).toEqual(false);
+
+  expectTypeOf<typeof schema._output>().toEqualTypeOf<string | undefined>();
+});
+
+test("unwrap", () => {
+  const unwrapped = z.string().optional().unwrap();
+  expect(unwrapped).toBeInstanceOf(z.ZodString);
+});
+
+test("optionality", () => {
+  const a = z.string();
+  expect(a._zod.optin).toEqual(undefined);
+  expect(a._zod.optout).toEqual(undefined);
+
+  const b = z.string().optional();
+  expect(b._zod.optin).toEqual("optional");
+  expect(b._zod.optout).toEqual("optional");
+
+  const c = z.string().default("asdf");
+  expect(c._zod.optin).toEqual("optional");
+  expect(c._zod.optout).toEqual(undefined);
+
+  const d = z.string().optional().nullable();
+  expect(d._zod.optin).toEqual("optional");
+  expect(d._zod.optout).toEqual("optional");
+
+  const e = z.string().default("asdf").nullable();
+  expect(e._zod.optin).toEqual("optional");
+  expect(e._zod.optout).toEqual(undefined);
+
+  // z.undefined should NOT be optional
+  const f = z.undefined();
+  expect(f._zod.optin).toEqual("optional");
+  expect(f._zod.optout).toEqual("optional");
+  expectTypeOf<typeof f._zod.optin>().toEqualTypeOf<"optional" | undefined>();
+  expectTypeOf<typeof f._zod.optout>().toEqualTypeOf<"optional" | undefined>();
+
+  // z.union should be optional if any of the types are optional
+  const g = z.union([z.string(), z.undefined()]);
+  expect(g._zod.optin).toEqual("optional");
+  expect(g._zod.optout).toEqual("optional");
+  expectTypeOf<typeof g._zod.optin>().toEqualTypeOf<"optional" | undefined>();
+  expectTypeOf<typeof g._zod.optout>().toEqualTypeOf<"optional" | undefined>();
+
+  const h = z.union([z.string(), z.optional(z.string())]);
+  expect(h._zod.optin).toEqual("optional");
+  expect(h._zod.optout).toEqual("optional");
+  expectTypeOf<typeof h._zod.optin>().toEqualTypeOf<"optional">();
+  expectTypeOf<typeof h._zod.optout>().toEqualTypeOf<"optional">();
+});
+
+test("pipe optionality", () => {
+  z.string().optional()._zod.optin;
+  const a = z.string().optional().pipe(z.string());
+  expect(a._zod.optin).toEqual("optional");
+  expect(a._zod.optout).toEqual(undefined);
+  expectTypeOf<typeof a._zod.optin>().toEqualTypeOf<"optional">();
+  expectTypeOf<typeof a._zod.optout>().toEqualTypeOf<"optional" | undefined>();
+
+  const b = z
+    .string()
+    .transform((val) => (Math.random() ? val : undefined))
+    .pipe(z.string().optional());
+  expect(b._zod.optin).toEqual(undefined);
+  expect(b._zod.optout).toEqual("optional");
+  expectTypeOf<typeof b._zod.optin>().toEqualTypeOf<"optional" | undefined>();
+  expectTypeOf<typeof b._zod.optout>().toEqualTypeOf<"optional">();
+
+  const c = z.string().default("asdf").pipe(z.string());
+  expect(c._zod.optin).toEqual("optional");
+  expect(c._zod.optout).toEqual(undefined);
+
+  const d = z
+    .string()
+    .transform((val) => (Math.random() ? val : undefined))
+    .pipe(z.string().default("asdf"));
+  expect(d._zod.optin).toEqual(undefined);
+  expect(d._zod.optout).toEqual(undefined);
+});
+
+test("pipe optionality inside objects", () => {
+  const schema = z.object({
+    a: z.string().optional(),
+    b: z.string().optional().pipe(z.string()),
+    c: z.string().default("asdf").pipe(z.string()),
+    d: z
+      .string()
+      .transform((val) => (Math.random() ? val : undefined))
+      .pipe(z.string().optional()),
+    e: z
+      .string()
+      .transform((val) => (Math.random() ? val : undefined))
+      .pipe(z.string().default("asdf")),
+  });
+
+  type SchemaIn = z.input<typeof schema>;
+  expectTypeOf<SchemaIn>().toEqualTypeOf<{
+    a?: string | undefined;
+    b?: string | undefined;
+    c?: string | undefined;
+    d: string;
+    e: string;
+  }>();
+
+  type SchemaOut = z.output<typeof schema>;
+  expectTypeOf<SchemaOut>().toEqualTypeOf<{
+    a?: string | undefined;
+    b: string;
+    c: string;
+    d?: string | undefined;
+    e: string;
+  }>();
+});
+
+test("optional prop with pipe", () => {
+  const schema = z.object({
+    id: z
+      .union([z.number(), z.string().nullish()])
+      .transform((val) => (val === null || val === undefined ? val : Number(val)))
+      .pipe(z.number())
+      .optional(),
+  });
+
+  schema.parse({});
+  schema.parse({}, { jitless: true });
+});
+
+// exactOptional tests
+test(".exactOptional()", () => {
+  const schema = z.string().exactOptional();
+  expect(schema.parse("asdf")).toEqual("asdf");
+  expect(schema.safeParse(undefined).success).toEqual(false);
+  expect(schema.safeParse(null).success).toEqual(false);
+
+  // Type should NOT include undefined
+  expectTypeOf<typeof schema._output>().toEqualTypeOf<string>();
+  expectTypeOf<typeof schema._input>().toEqualTypeOf<string>();
+});
+
+test("exactOptional unwrap", () => {
+  const unwrapped = z.string().exactOptional().unwrap();
+  expect(unwrapped).toBeInstanceOf(z.ZodString);
+});
+
+test("exactOptional optionality", () => {
+  const a = z.string().exactOptional();
+  expect(a._zod.optin).toEqual("optional");
+  expect(a._zod.optout).toEqual("optional");
+  expectTypeOf<typeof a._zod.optin>().toEqualTypeOf<"optional">();
+  expectTypeOf<typeof a._zod.optout>().toEqualTypeOf<"optional">();
+});
+
+test("exactOptional in objects - absent keys", () => {
+  const schema = z.object({
+    a: z.string().exactOptional(),
+  });
+
+  // Absent key should pass
+  expect(schema.parse({})).toEqual({});
+  expect(schema.parse({}, { jitless: true })).toEqual({});
+
+  // Present key with valid value should pass
+  expect(schema.parse({ a: "hello" })).toEqual({ a: "hello" });
+  expect(schema.parse({ a: "hello" }, { jitless: true })).toEqual({ a: "hello" });
+});
+
+test("exactOptional in objects - explicit undefined rejected", () => {
+  const schema = z.object({
+    a: z.string().exactOptional(),
+  });
+
+  // Explicit undefined should fail
+  expect(schema.safeParse({ a: undefined }).success).toEqual(false);
+  expect(schema.safeParse({ a: undefined }, { jitless: true }).success).toEqual(false);
+});
+
+test("exactOptional type inference in objects", () => {
+  const schema = z.object({
+    a: z.string().exactOptional(),
+    b: z.string().optional(),
+  });
+
+  type SchemaIn = z.input<typeof schema>;
+  expectTypeOf<SchemaIn>().toEqualTypeOf<{
+    a?: string;
+    b?: string | undefined;
+  }>();
+
+  type SchemaOut = z.output<typeof schema>;
+  expectTypeOf<SchemaOut>().toEqualTypeOf<{
+    a?: string;
+    b?: string | undefined;
+  }>();
+});
+
+test("exactOptional vs optional comparison", () => {
+  const optionalSchema = z.object({ a: z.string().optional() });
+  const exactOptionalSchema = z.object({ a: z.string().exactOptional() });
+
+  // Both accept absent keys
+  expect(optionalSchema.parse({})).toEqual({});
+  expect(exactOptionalSchema.parse({})).toEqual({});
+
+  // Both accept valid values
+  expect(optionalSchema.parse({ a: "hi" })).toEqual({ a: "hi" });
+  expect(exactOptionalSchema.parse({ a: "hi" })).toEqual({ a: "hi" });
+
+  // optional() accepts explicit undefined
+  expect(optionalSchema.parse({ a: undefined })).toEqual({ a: undefined });
+
+  // exactOptional() rejects explicit undefined
+  expect(exactOptionalSchema.safeParse({ a: undefined }).success).toEqual(false);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/partial.test.ts

@@ -0,0 +1,427 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+const nested = z.object({
+  name: z.string(),
+  age: z.number(),
+  outer: z.object({
+    inner: z.string(),
+  }),
+  array: z.array(z.object({ asdf: z.string() })),
+});
+
+test("shallow inference", () => {
+  const shallow = nested.partial();
+  type shallow = z.infer<typeof shallow>;
+
+  expectTypeOf<shallow>().toEqualTypeOf<{
+    name?: string | undefined;
+    age?: number | undefined;
+    outer?: { inner: string } | undefined;
+    array?: { asdf: string }[] | undefined;
+  }>();
+});
+
+test("shallow partial parse", () => {
+  const shallow = nested.partial();
+  shallow.parse({});
+  shallow.parse({
+    name: "asdf",
+    age: 23143,
+  });
+});
+
+test("required", () => {
+  const object = z.object({
+    name: z.string(),
+    age: z.number().optional(),
+    field: z.string().optional().default("asdf"),
+    nullableField: z.number().nullable(),
+    nullishField: z.string().nullish(),
+  });
+
+  const requiredObject = object.required();
+  expect(requiredObject.shape.name).toBeInstanceOf(z.ZodNonOptional);
+  expect(requiredObject.shape.name.unwrap()).toBeInstanceOf(z.ZodString);
+  expect(requiredObject.shape.age).toBeInstanceOf(z.ZodNonOptional);
+  expect(requiredObject.shape.age.unwrap()).toBeInstanceOf(z.ZodOptional);
+  expect(requiredObject.shape.field).toBeInstanceOf(z.ZodNonOptional);
+  expect(requiredObject.shape.field.unwrap()).toBeInstanceOf(z.ZodDefault);
+  expect(requiredObject.shape.nullableField).toBeInstanceOf(z.ZodNonOptional);
+  expect(requiredObject.shape.nullableField.unwrap()).toBeInstanceOf(z.ZodNullable);
+  expect(requiredObject.shape.nullishField).toBeInstanceOf(z.ZodNonOptional);
+  expect(requiredObject.shape.nullishField.unwrap()).toBeInstanceOf(z.ZodOptional);
+  expect(requiredObject.shape.nullishField.unwrap().unwrap()).toBeInstanceOf(z.ZodNullable);
+});
+
+test("required inference", () => {
+  const object = z.object({
+    name: z.string(),
+    age: z.number().optional(),
+    field: z.string().optional().default("asdf"),
+    nullableField: z.number().nullable(),
+    nullishField: z.string().nullish(),
+  });
+
+  const requiredObject = object.required();
+
+  type required = z.infer<typeof requiredObject>;
+  type expected = {
+    name: string;
+    age: number;
+    field: string;
+    nullableField: number | null;
+    nullishField: string | null;
+  };
+  expectTypeOf<expected>().toEqualTypeOf<required>();
+});
+
+test("required with mask", () => {
+  const object = z.object({
+    name: z.string(),
+    age: z.number().optional(),
+    field: z.string().optional().default("asdf"),
+    country: z.string().optional(),
+  });
+
+  const requiredObject = object.required({ age: true });
+  expect(requiredObject.shape.name).toBeInstanceOf(z.ZodString);
+  expect(requiredObject.shape.age).toBeInstanceOf(z.ZodNonOptional);
+  expect(requiredObject.shape.field).toBeInstanceOf(z.ZodDefault);
+  expect(requiredObject.shape.country).toBeInstanceOf(z.ZodOptional);
+});
+
+test("required with mask -- ignore falsy values", () => {
+  const object = z.object({
+    name: z.string(),
+    age: z.number().optional(),
+    field: z.string().optional().default("asdf"),
+    country: z.string().optional(),
+  });
+
+  // @ts-expect-error
+  const requiredObject = object.required({ age: true, country: false });
+  expect(requiredObject.shape.name).toBeInstanceOf(z.ZodString);
+  expect(requiredObject.shape.age).toBeInstanceOf(z.ZodNonOptional);
+  expect(requiredObject.shape.field).toBeInstanceOf(z.ZodDefault);
+  expect(requiredObject.shape.country).toBeInstanceOf(z.ZodOptional);
+});
+
+test("partial with mask", async () => {
+  const object = z.object({
+    name: z.string(),
+    age: z.number().optional(),
+    field: z.string().optional().default("asdf"),
+    country: z.string(),
+  });
+
+  const masked = object.partial({ age: true, field: true, name: true }).strict();
+
+  expect(masked.shape.name).toBeInstanceOf(z.ZodOptional);
+  expect(masked.shape.age).toBeInstanceOf(z.ZodOptional);
+  expect(masked.shape.field).toBeInstanceOf(z.ZodOptional);
+  expect(masked.shape.country).toBeInstanceOf(z.ZodString);
+
+  masked.parse({ country: "US" });
+  await masked.parseAsync({ country: "US" });
+});
+
+test("partial with mask -- ignore falsy values", async () => {
+  const object = z.object({
+    name: z.string(),
+    age: z.number().optional(),
+    field: z.string().optional().default("asdf"),
+    country: z.string(),
+  });
+
+  // @ts-expect-error
+  const masked = object.partial({ name: true, country: false }).strict();
+
+  expect(masked.shape.name).toBeInstanceOf(z.ZodOptional);
+  expect(masked.shape.age).toBeInstanceOf(z.ZodOptional);
+  expect(masked.shape.field).toBeInstanceOf(z.ZodDefault);
+  expect(masked.shape.country).toBeInstanceOf(z.ZodString);
+
+  masked.parse({ country: "US" });
+  await masked.parseAsync({ country: "US" });
+});
+
+test("catch/prefault/default", () => {
+  const mySchema = z.object({
+    a: z.string().catch("catch value").optional(),
+    b: z.string().default("default value").optional(),
+    c: z.string().prefault("prefault value").optional(),
+    d: z.string().catch("catch value"),
+    e: z.string().default("default value"),
+    f: z.string().prefault("prefault value"),
+  });
+
+  expect(mySchema.parse({})).toMatchInlineSnapshot(`
+    {
+      "b": "default value",
+      "c": "prefault value",
+      "d": "catch value",
+      "e": "default value",
+      "f": "prefault value",
+    }
+  `);
+
+  expect(mySchema.parse({}, { jitless: true })).toMatchInlineSnapshot(`
+    {
+      "b": "default value",
+      "c": "prefault value",
+      "d": "catch value",
+      "e": "default value",
+      "f": "prefault value",
+    }
+  `);
+});
+
+test("handleOptionalObjectResult branches", () => {
+  const mySchema = z.object({
+    // Branch: input[key] === undefined, key not in input, caught error
+    caughtMissing: z.string().catch("caught").optional(),
+    // Branch: input[key] === undefined, key in input, caught error
+    caughtUndefined: z.string().catch("caught").optional(),
+    // Branch: input[key] === undefined, key not in input, validation issues
+    issueMissing: z.string().min(5).optional(),
+    // Branch: input[key] === undefined, key in input, validation issues
+    issueUndefined: z.string().min(5).optional(),
+    // Branch: input[key] === undefined, validation returns undefined
+    validUndefined: z.string().optional(),
+    // Branch: input[key] === undefined, non-undefined result (default/transform)
+    defaultValue: z.string().default("default").optional(),
+    // Branch: input[key] defined, caught error
+    caughtDefined: z.string().catch("caught").optional(),
+    // Branch: input[key] defined, validation issues
+    issueDefined: z.string().min(5).optional(),
+    // Branch: input[key] defined, validation returns undefined
+    validDefinedUndefined: z
+      .string()
+      .transform(() => undefined)
+      .optional(),
+    // Branch: input[key] defined, non-undefined value
+    validDefined: z.string().optional(),
+  });
+
+  // Test input[key] === undefined cases
+  const result1 = mySchema.parse(
+    {
+      // caughtMissing: not present (key not in input)
+      caughtUndefined: undefined, // key in input
+      // issueMissing: not present (key not in input)
+      issueUndefined: undefined, // key in input
+      validUndefined: undefined,
+      // defaultValue: not present, will get default
+    },
+    { jitless: true }
+  );
+
+  expect(result1).toEqual({
+    caughtUndefined: undefined,
+    issueUndefined: undefined,
+    validUndefined: undefined,
+    defaultValue: "default",
+  });
+
+  // Test input[key] defined cases (successful)
+  const result2 = mySchema.parse(
+    {
+      caughtDefined: 123, // invalid type, should catch
+      validDefinedUndefined: "test", // transforms to undefined
+      validDefined: "valid", // valid value
+    },
+    { jitless: true }
+  );
+
+  expect(result2).toEqual({
+    caughtDefined: "caught",
+    validDefinedUndefined: undefined,
+    validDefined: "valid",
+    defaultValue: "default",
+  });
+
+  // Test validation issues are properly reported (input[key] defined, validation fails)
+  expect(() =>
+    mySchema.parse(
+      {
+        issueDefined: "abc", // too short
+      },
+      { jitless: true }
+    )
+  ).toThrow();
+});
+
+test("fastpass vs non-fastpass consistency", () => {
+  const mySchema = z.object({
+    caughtMissing: z.string().catch("caught").optional(),
+    caughtUndefined: z.string().catch("caught").optional(),
+    issueMissing: z.string().min(5).optional(),
+    issueUndefined: z.string().min(5).optional(),
+    validUndefined: z.string().optional(),
+    defaultValue: z.string().default("default").optional(),
+    caughtDefined: z.string().catch("caught").optional(),
+    validDefinedUndefined: z
+      .string()
+      .transform(() => undefined)
+      .optional(),
+    validDefined: z.string().optional(),
+  });
+
+  const input = {
+    caughtUndefined: undefined,
+    issueUndefined: undefined,
+    validUndefined: undefined,
+    caughtDefined: 123,
+    validDefinedUndefined: "test",
+    validDefined: "valid",
+  };
+
+  // Test both paths produce identical results
+  const jitlessResult = mySchema.parse(input, { jitless: true });
+  const fastpassResult = mySchema.parse(input);
+
+  expect(jitlessResult).toEqual(fastpassResult);
+  expect(jitlessResult).toEqual({
+    caughtUndefined: undefined,
+    issueUndefined: undefined,
+    validUndefined: undefined,
+    defaultValue: "default",
+    caughtDefined: "caught",
+    validDefinedUndefined: undefined,
+    validDefined: "valid",
+  });
+});
+
+test("optional with check", () => {
+  const baseSchema = z
+    .string()
+    .optional()
+    .check(({ value, ...ctx }) => {
+      ctx.issues.push({
+        code: "custom",
+        input: value,
+        message: "message",
+      });
+    });
+
+  // this correctly fails
+  expect(baseSchema.safeParse(undefined)).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "message": "message",
+        "path": []
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  const schemaObject = z.object({
+    date: baseSchema,
+  });
+
+  expect(schemaObject.safeParse({ date: undefined })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "message": "message",
+        "path": [
+          "date"
+        ]
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("partial - throws error on schema with refinements", () => {
+  const baseSchema = z.object({
+    id: z.string(),
+    name: z.string(),
+    items: z.string().array(),
+  });
+
+  const refinedSchema = baseSchema.superRefine((val, ctx) => {
+    if (val.items.length === 0) {
+      ctx.addIssue({
+        message: "Must have at least one item",
+        code: "custom",
+        path: ["items"],
+      });
+    }
+  });
+
+  expect(() => refinedSchema.partial()).toThrow(".partial() cannot be used on object schemas containing refinements");
+});
+
+test("partial - throws error on schema with refine", () => {
+  const baseSchema = z.object({
+    password: z.string(),
+    confirmPassword: z.string(),
+  });
+
+  const refinedSchema = baseSchema.refine((data) => data.password === data.confirmPassword, {
+    message: "Passwords must match",
+  });
+
+  expect(() => refinedSchema.partial()).toThrow(".partial() cannot be used on object schemas containing refinements");
+});
+
+test("required - preserves refinements", () => {
+  const baseSchema = z.object({
+    name: z.string().optional(),
+    age: z.number().optional(),
+  });
+
+  const refinedSchema = baseSchema.superRefine((val, ctx) => {
+    if (val.name === "admin") {
+      ctx.addIssue({
+        message: "Name cannot be admin",
+        code: "custom",
+        path: ["name"],
+      });
+    }
+  });
+
+  const requiredSchema = refinedSchema.required();
+
+  // The refinement should still be applied
+  const result = requiredSchema.safeParse({ name: "admin", age: 25 });
+  expect(result.success).toBe(false);
+  if (!result.success) {
+    expect(result.error.issues[0].message).toBe("Name cannot be admin");
+  }
+
+  // Valid data should pass
+  const validResult = requiredSchema.safeParse({ name: "user", age: 25 });
+  expect(validResult.success).toBe(true);
+});
+
+test("required - refinement is executed on required schema", () => {
+  const baseSchema = z.object({
+    password: z.string().optional(),
+    confirmPassword: z.string().optional(),
+  });
+
+  const refinedSchema = baseSchema.refine((data) => data.password === data.confirmPassword, {
+    message: "Passwords must match",
+  });
+
+  const requiredSchema = refinedSchema.required();
+
+  // Mismatched passwords should fail refinement
+  const result = requiredSchema.safeParse({ password: "abc", confirmPassword: "xyz" });
+  expect(result.success).toBe(false);
+  if (!result.success) {
+    expect(result.error.issues[0].message).toBe("Passwords must match");
+  }
+
+  // Matching passwords should pass
+  const validResult = requiredSchema.safeParse({ password: "abc", confirmPassword: "abc" });
+  expect(validResult.success).toBe(true);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/pickomit.test.ts

@@ -0,0 +1,211 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+const fish = z.object({
+  name: z.string(),
+  age: z.number(),
+  nested: z.object({}),
+});
+
+test("pick type inference", () => {
+  const nameonlyFish = fish.pick({ name: true });
+  type nameonlyFish = z.infer<typeof nameonlyFish>;
+  expectTypeOf<nameonlyFish>().toEqualTypeOf<{ name: string }>();
+});
+
+test("pick parse - success", () => {
+  const nameonlyFish = fish.pick({ name: true });
+  nameonlyFish.parse({ name: "bob" });
+
+  // @ts-expect-error checking runtime picks `name` only.
+  const anotherNameonlyFish = fish.pick({ name: true, age: false });
+  anotherNameonlyFish.parse({ name: "bob" });
+});
+
+test("pick parse - fail", () => {
+  fish.pick({ name: true }).parse({ name: "12" } as any);
+  fish.pick({ name: true }).parse({ name: "bob", age: 12 } as any);
+  fish.pick({ age: true }).parse({ age: 12 } as any);
+
+  const nameonlyFish = fish.pick({ name: true }).strict();
+  const bad1 = () => nameonlyFish.parse({ name: 12 } as any);
+  const bad2 = () => nameonlyFish.parse({ name: "bob", age: 12 } as any);
+  const bad3 = () => nameonlyFish.parse({ age: 12 } as any);
+
+  // @ts-expect-error checking runtime picks `name` only.
+  const anotherNameonlyFish = fish.pick({ name: true, age: false }).strict();
+  const bad4 = () => anotherNameonlyFish.parse({ name: "bob", age: 12 } as any);
+
+  expect(bad1).toThrow();
+  expect(bad2).toThrow();
+  expect(bad3).toThrow();
+  expect(bad4).toThrow();
+});
+
+test("pick - remove optional", () => {
+  const schema = z.object({ a: z.string(), b: z.string().optional() });
+  expect("a" in schema._zod.def.shape).toEqual(true);
+  expect("b" in schema._zod.def.shape!).toEqual(true);
+  const picked = schema.pick({ a: true });
+  expect("a" in picked._zod.def.shape).toEqual(true);
+  expect("b" in picked._zod.def.shape!).toEqual(false);
+});
+
+test("omit type inference", () => {
+  const nonameFish = fish.omit({ name: true });
+  type nonameFish = z.infer<typeof nonameFish>;
+
+  expectTypeOf<nonameFish>().toEqualTypeOf<{ age: number; nested: Record<string, never> }>();
+});
+
+test("omit parse - success", () => {
+  const nonameFish = fish.omit({ name: true });
+  nonameFish.parse({ age: 12, nested: {} });
+
+  // @ts-expect-error checking runtime omits `name` only.
+  const anotherNonameFish = fish.omit({ name: true, age: false });
+  anotherNonameFish.parse({ age: 12, nested: {} });
+});
+
+test("omit parse - fail", () => {
+  const nonameFish = fish.omit({ name: true });
+  const bad1 = () => nonameFish.parse({ name: 12 } as any);
+  const bad2 = () => nonameFish.parse({ age: 12 } as any);
+  const bad3 = () => nonameFish.parse({} as any);
+
+  // @ts-expect-error checking runtime omits `name` only.
+  const anotherNonameFish = fish.omit({ name: true, age: false });
+  const bad4 = () => anotherNonameFish.parse({ nested: {} } as any);
+
+  expect(bad1).toThrow();
+  expect(bad2).toThrow();
+  expect(bad3).toThrow();
+  expect(bad4).toThrow();
+});
+
+test("omit - remove optional", () => {
+  const schema = z.object({ a: z.string(), b: z.string().optional() });
+  expect("a" in schema._zod.def.shape).toEqual(true);
+  const omitted = schema.omit({ a: true });
+  expect("a" in omitted._zod.def.shape).toEqual(false);
+});
+
+test("nonstrict inference", () => {
+  const laxfish = fish.pick({ name: true }).catchall(z.any());
+  type laxfish = z.infer<typeof laxfish>;
+  expectTypeOf<laxfish>().toEqualTypeOf<{ name: string; [k: string]: any }>();
+});
+
+test("nonstrict parsing - pass", () => {
+  const laxfish = fish.passthrough().pick({ name: true });
+  laxfish.parse({ name: "asdf", whatever: "asdf" });
+  laxfish.parse({ name: "asdf", age: 12, nested: {} });
+});
+
+test("nonstrict parsing - fail", () => {
+  const laxfish = fish.passthrough().pick({ name: true });
+  const bad = () => laxfish.parse({ whatever: "asdf" } as any);
+  expect(bad).toThrow();
+});
+
+test("pick/omit/required/partial - do not allow unknown keys", () => {
+  const schema = z.object({
+    name: z.string(),
+    age: z.number(),
+  });
+
+  // Mixed valid + invalid keys
+  // @ts-expect-error
+  expect(() => schema.pick({ name: true, asdf: true }).safeParse({})).toThrow();
+  // @ts-expect-error
+  expect(() => schema.omit({ name: true, asdf: true }).safeParse({})).toThrow();
+  // @ts-expect-error
+  expect(() => schema.partial({ name: true, asdf: true }).safeParse({})).toThrow();
+  // @ts-expect-error
+  expect(() => schema.required({ name: true, asdf: true }).safeParse({})).toThrow();
+
+  // Only invalid keys
+  // @ts-expect-error
+  expect(() => schema.pick({ $unknown: true }).safeParse({})).toThrow();
+  // @ts-expect-error
+  expect(() => schema.omit({ $unknown: true }).safeParse({})).toThrow();
+  // @ts-expect-error
+  expect(() => schema.required({ $unknown: true }).safeParse({})).toThrow();
+  // @ts-expect-error
+  expect(() => schema.partial({ $unknown: true }).safeParse({})).toThrow();
+});
+
+test("pick - throws error on schema with refinements", () => {
+  const baseSchema = z.object({
+    id: z.string(),
+    name: z.string(),
+    items: z.string().array(),
+  });
+
+  const refinedSchema = baseSchema.superRefine((val, ctx) => {
+    if (val.items.length === 0) {
+      ctx.addIssue({
+        message: "Must have at least one item",
+        code: "custom",
+        path: ["items"],
+      });
+    }
+  });
+
+  expect(() => refinedSchema.pick({ name: true })).toThrow(
+    ".pick() cannot be used on object schemas containing refinements"
+  );
+});
+
+test("omit - throws error on schema with refinements", () => {
+  const baseSchema = z.object({
+    id: z.string(),
+    name: z.string(),
+    items: z.string().array(),
+  });
+
+  const refinedSchema = baseSchema.superRefine((val, ctx) => {
+    if (val.items.length === 0) {
+      ctx.addIssue({
+        message: "Must have at least one item",
+        code: "custom",
+        path: ["items"],
+      });
+    }
+  });
+
+  expect(() => refinedSchema.omit({ id: true })).toThrow(
+    ".omit() cannot be used on object schemas containing refinements"
+  );
+});
+
+test("pick - throws error on schema with refine", () => {
+  const baseSchema = z.object({
+    password: z.string(),
+    confirmPassword: z.string(),
+  });
+
+  const refinedSchema = baseSchema.refine((data) => data.password === data.confirmPassword, {
+    message: "Passwords must match",
+  });
+
+  expect(() => refinedSchema.pick({ password: true })).toThrow(
+    ".pick() cannot be used on object schemas containing refinements"
+  );
+});
+
+test("omit - throws error on schema with refine", () => {
+  const baseSchema = z.object({
+    password: z.string(),
+    confirmPassword: z.string(),
+    email: z.string(),
+  });
+
+  const refinedSchema = baseSchema.refine((data) => data.password === data.confirmPassword, {
+    message: "Passwords must match",
+  });
+
+  expect(() => refinedSchema.omit({ email: true })).toThrow(
+    ".omit() cannot be used on object schemas containing refinements"
+  );
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/pipe.test.ts

@@ -0,0 +1,101 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("string to number pipe", () => {
+  const schema = z.string().transform(Number).pipe(z.number());
+  expect(schema.parse("1234")).toEqual(1234);
+});
+
+test("string to number pipe async", async () => {
+  const schema = z
+    .string()
+    .transform(async (val) => Number(val))
+    .pipe(z.number());
+  expect(await schema.parseAsync("1234")).toEqual(1234);
+});
+
+test("string with default fallback", () => {
+  const stringWithDefault = z
+    .pipe(
+      z.transform((v) => (v === "none" ? undefined : v)),
+      z.string()
+    )
+    .catch("default");
+
+  expect(stringWithDefault.parse("ok")).toBe("ok");
+  expect(stringWithDefault.parse(undefined)).toBe("default");
+  expect(stringWithDefault.parse("none")).toBe("default");
+  expect(stringWithDefault.parse(15)).toBe("default");
+});
+
+test("continue on non-fatal errors", () => {
+  const schema = z
+    .string()
+    .refine((c) => c === "1234", "A")
+    .transform((val) => Number(val))
+    .refine((c) => c === 1234, "B");
+
+  schema.parse("1234");
+
+  expect(schema.safeParse("4321")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "A"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("break on fatal errors", () => {
+  const schema = z
+    .string()
+    .refine((c) => c === "1234", { message: "A", abort: true })
+    .transform((val) => Number(val))
+    .refine((c) => c === 1234, "B");
+
+  schema.parse("1234");
+
+  expect(schema.safeParse("4321")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "A"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("reverse parsing with pipe", () => {
+  const schema = z.string().pipe(z.string());
+
+  // Reverse direction: default should NOT be applied
+  expect(z.safeDecode(schema, "asdf")).toMatchInlineSnapshot(`
+    {
+      "data": "asdf",
+      "success": true,
+    }
+  `);
+  expect(z.safeEncode(schema, "asdf")).toMatchInlineSnapshot(`
+    {
+      "data": "asdf",
+      "success": true,
+    }
+  `);
+});
+
+test("reverse parsing with pipe", () => {
+  const schema = z.string().transform((val) => val.length);
+
+  // should throw
+  expect(() => z.encode(schema, 1234)).toThrow();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/prefault.test.ts

@@ -0,0 +1,74 @@
+import { expect, expectTypeOf, test } from "vitest";
+import { z } from "zod/v4";
+
+test("basic prefault", () => {
+  const a = z.prefault(z.string().trim(), "  default  ");
+  expect(a).toBeInstanceOf(z.ZodPrefault);
+  expect(a.parse("  asdf  ")).toEqual("asdf");
+  expect(a.parse(undefined)).toEqual("default");
+
+  type inp = z.input<typeof a>;
+  expectTypeOf<inp>().toEqualTypeOf<string | undefined>();
+  type out = z.output<typeof a>;
+  expectTypeOf<out>().toEqualTypeOf<string>();
+});
+
+test("prefault inside object", () => {
+  // test optinality
+  const a = z.object({
+    name: z.string().optional(),
+    age: z.number().default(1234),
+    email: z.string().prefault("1234"),
+  });
+
+  type inp = z.input<typeof a>;
+  expectTypeOf<inp>().toEqualTypeOf<{
+    name?: string | undefined;
+    age?: number | undefined;
+    email?: string | undefined;
+  }>();
+
+  type out = z.output<typeof a>;
+  expectTypeOf<out>().toEqualTypeOf<{
+    name?: string | undefined;
+    age: number;
+    email: string;
+  }>();
+});
+
+test("object schema with prefault should return shallow clone", () => {
+  const schema = z
+    .object({
+      a: z.string(),
+    })
+    .default({ a: "x" });
+  const result1 = schema.parse(undefined);
+  const result2 = schema.parse(undefined);
+  expect(result1).not.toBe(result2);
+  expect(result1).toEqual(result2);
+});
+
+test("direction-aware prefault", () => {
+  const schema = z.string().prefault("hello");
+
+  // Forward direction (regular parse): prefault should be applied
+  expect(schema.parse(undefined)).toBe("hello");
+
+  // Reverse direction (encode): prefault should NOT be applied, undefined should fail validation
+  expect(z.safeEncode(schema, undefined as any)).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  // But valid values should still work in reverse
+  expect(z.encode(schema, "world")).toBe("world");
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/preprocess.test.ts

@@ -0,0 +1,282 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+test("preprocess", () => {
+  const schema = z.preprocess((data) => [data], z.string().array());
+  const value = schema.parse("asdf");
+  expect(value).toEqual(["asdf"]);
+  expectTypeOf<(typeof schema)["_input"]>().toEqualTypeOf<unknown>();
+});
+
+test("async preprocess", async () => {
+  const schema = z.preprocess(async (data) => {
+    return [data];
+  }, z.string().array());
+  const value = await schema.safeParseAsync("asdf");
+  expect(value.data).toEqual(["asdf"]);
+  expect(value).toMatchInlineSnapshot(`
+    {
+      "data": [
+        "asdf",
+      ],
+      "success": true,
+    }
+  `);
+});
+
+test("ctx.addIssue accepts string", () => {
+  const schema = z.preprocess((_, ctx) => {
+    ctx.addIssue("bad stuff");
+  }, z.string());
+  const result = schema.safeParse("asdf");
+  expect(result.error!.issues).toHaveLength(1);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "message": "bad stuff",
+        "code": "custom",
+        "path": []
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("preprocess ctx.addIssue with parse", () => {
+  const a = z.preprocess((data, ctx) => {
+    ctx.addIssue({
+      input: data,
+      code: "custom",
+      message: `${data} is not one of our allowed strings`,
+    });
+    return data;
+  }, z.string());
+
+  const result = a.safeParse("asdf");
+
+  // expect(result.error!.toJSON()).toContain("not one of our allowed strings");
+
+  expect(result.error!.issues).toHaveLength(1);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "message": "asdf is not one of our allowed strings",
+        "path": []
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("preprocess ctx.addIssue fatal by default", () => {
+  const schema = z.preprocess((data, ctx) => {
+    ctx.addIssue({
+      code: "custom",
+      message: `custom error`,
+    });
+
+    return data;
+  }, z.string());
+  const result = schema.safeParse(1234);
+
+  expect(result.error!.issues).toHaveLength(1);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "message": "custom error",
+        "path": []
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("preprocess ctx.addIssue fatal true", () => {
+  const schema = z.preprocess((data, ctx) => {
+    ctx.addIssue({
+      input: data,
+      code: "custom",
+      origin: "custom",
+      message: `custom error`,
+      fatal: true,
+    });
+    return data;
+  }, z.string());
+
+  const result = schema.safeParse(1234);
+
+  expect(result.error!.issues).toHaveLength(1);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "origin": "custom",
+        "message": "custom error",
+        "fatal": true,
+        "path": []
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("async preprocess ctx.addIssue with parseAsync", async () => {
+  const schema = z.preprocess(async (data, ctx) => {
+    ctx.addIssue({
+      input: data,
+      code: "custom",
+      message: `${data} is not one of our allowed strings`,
+    });
+    return data;
+  }, z.string());
+
+  const result = await schema.safeParseAsync("asdf");
+
+  expect(result.error!.issues).toHaveLength(1);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "message": "asdf is not one of our allowed strings",
+        "path": []
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("z.NEVER in preprocess", () => {
+  const foo = z.preprocess((val, ctx) => {
+    if (!val) {
+      ctx.addIssue({ input: val, code: "custom", message: "bad" });
+      return z.NEVER;
+    }
+    return val;
+  }, z.number());
+
+  type foo = z.infer<typeof foo>;
+  expectTypeOf<foo>().toEqualTypeOf<number>();
+  const result = foo.safeParse(undefined);
+
+  expect(result.error!.issues).toHaveLength(1);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "message": "bad",
+        "path": []
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("preprocess as the second property of object", () => {
+  const schema = z.object({
+    nonEmptyStr: z.string().min(1),
+    positiveNum: z.preprocess((v) => Number(v), z.number().positive()),
+  });
+  const result = schema.safeParse({
+    nonEmptyStr: "",
+    positiveNum: "",
+  });
+
+  expect(result.error!.issues).toHaveLength(2);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "origin": "string",
+        "code": "too_small",
+        "minimum": 1,
+        "inclusive": true,
+        "path": [
+          "nonEmptyStr"
+        ],
+        "message": "Too small: expected string to have >=1 characters"
+      },
+      {
+        "origin": "number",
+        "code": "too_small",
+        "minimum": 0,
+        "inclusive": false,
+        "path": [
+          "positiveNum"
+        ],
+        "message": "Too small: expected number to be >0"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("preprocess validates with sibling errors", () => {
+  const schema = z.object({
+    missing: z.string().refine(() => false),
+    preprocess: z.preprocess((data: any) => data?.trim(), z.string().regex(/ asdf/)),
+  });
+
+  const result = schema.safeParse({ preprocess: " asdf" });
+
+  expect(result.error!.issues).toHaveLength(2);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "missing"
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      },
+      {
+        "origin": "string",
+        "code": "invalid_format",
+        "format": "regex",
+        "pattern": "/ asdf/",
+        "path": [
+          "preprocess"
+        ],
+        "message": "Invalid string: must match pattern / asdf/"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("perform transform with non-fatal issues", () => {
+  const A = z
+    .string()
+    .refine((_) => false)
+    .min(4)
+    .transform((val) => val.length)
+    .pipe(z.number())
+    .refine((_) => false);
+  expect(A.safeParse("asdfasdf").error!.issues).toHaveLength(1);
+  expect(A.safeParse("asdfasdf").error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]]
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/primitive.test.ts

@@ -0,0 +1,175 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+const literalStringSchema = z.literal("asdf");
+const literalNumberSchema = z.literal(12);
+const literalBooleanSchema = z.literal(true);
+const literalBigIntSchema = z.literal(BigInt(42));
+
+const stringSchema = z.string();
+const numberSchema = z.number();
+const bigintSchema = z.bigint();
+const booleanSchema = z.boolean();
+const dateSchema = z.date();
+const symbolSchema = z.symbol();
+const nullSchema = z.null();
+const undefinedSchema = z.undefined();
+const stringSchemaOptional = z.string().optional();
+const stringSchemaNullable = z.string().nullable();
+const numberSchemaOptional = z.number().optional();
+const numberSchemaNullable = z.number().nullable();
+const bigintSchemaOptional = z.bigint().optional();
+const bigintSchemaNullable = z.bigint().nullable();
+const booleanSchemaOptional = z.boolean().optional();
+const booleanSchemaNullable = z.boolean().nullable();
+const dateSchemaOptional = z.date().optional();
+const dateSchemaNullable = z.date().nullable();
+const symbolSchemaOptional = z.symbol().optional();
+const symbolSchemaNullable = z.symbol().nullable();
+
+test("literal string schema", () => {
+  expect(literalStringSchema.parse("asdf")).toBe("asdf");
+  expect(() => literalStringSchema.parse("not_asdf")).toThrow();
+  expect(() => literalStringSchema.parse(123)).toThrow();
+  expect(() => literalStringSchema.parse(true)).toThrow();
+  expect(() => literalStringSchema.parse({})).toThrow();
+});
+
+test("literal number schema", () => {
+  expect(literalNumberSchema.parse(12)).toBe(12);
+  expect(() => literalNumberSchema.parse(13)).toThrow();
+  expect(() => literalNumberSchema.parse("foo")).toThrow();
+  expect(() => literalNumberSchema.parse(true)).toThrow();
+  expect(() => literalNumberSchema.parse({})).toThrow();
+});
+
+test("literal boolean schema", () => {
+  expect(literalBooleanSchema.parse(true)).toBe(true);
+  expect(() => literalBooleanSchema.parse(false)).toThrow();
+  expect(() => literalBooleanSchema.parse("asdf")).toThrow();
+  expect(() => literalBooleanSchema.parse(123)).toThrow();
+  expect(() => literalBooleanSchema.parse({})).toThrow();
+});
+
+test("literal bigint schema", () => {
+  expect(literalBigIntSchema.parse(BigInt(42))).toBe(BigInt(42));
+  expect(() => literalBigIntSchema.parse(BigInt(43))).toThrow();
+  expect(() => literalBigIntSchema.parse("asdf")).toThrow();
+  expect(() => literalBigIntSchema.parse(123)).toThrow();
+  expect(() => literalBigIntSchema.parse({})).toThrow();
+});
+
+test("string schema", () => {
+  stringSchema.parse("foo");
+  expect(() => stringSchema.parse(Math.random())).toThrow();
+  expect(() => stringSchema.parse(true)).toThrow();
+  expect(() => stringSchema.parse(undefined)).toThrow();
+  expect(() => stringSchema.parse(null)).toThrow();
+});
+
+test("number schema", () => {
+  numberSchema.parse(Math.random());
+  expect(() => numberSchema.parse("foo")).toThrow();
+  expect(() => numberSchema.parse(BigInt(17))).toThrow();
+  expect(() => numberSchema.parse(true)).toThrow();
+  expect(() => numberSchema.parse(undefined)).toThrow();
+  expect(() => numberSchema.parse(null)).toThrow();
+});
+
+test("bigint schema", () => {
+  bigintSchema.parse(BigInt(17));
+  expect(() => bigintSchema.parse("foo")).toThrow();
+  expect(() => bigintSchema.parse(Math.random())).toThrow();
+  expect(() => bigintSchema.parse(true)).toThrow();
+  expect(() => bigintSchema.parse(undefined)).toThrow();
+  expect(() => bigintSchema.parse(null)).toThrow();
+});
+
+test("boolean schema", () => {
+  booleanSchema.parse(true);
+  expect(() => booleanSchema.parse("foo")).toThrow();
+  expect(() => booleanSchema.parse(Math.random())).toThrow();
+  expect(() => booleanSchema.parse(undefined)).toThrow();
+  expect(() => booleanSchema.parse(null)).toThrow();
+});
+
+test("date schema", async () => {
+  dateSchema.parse(new Date());
+  expect(() => dateSchema.parse("foo")).toThrow();
+  expect(() => dateSchema.parse(Math.random())).toThrow();
+  expect(() => dateSchema.parse(true)).toThrow();
+  expect(() => dateSchema.parse(undefined)).toThrow();
+  expect(() => dateSchema.parse(null)).toThrow();
+  expect(await dateSchema.safeParseAsync(new Date("invalid"))).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "date",
+        "code": "invalid_type",
+        "received": "Invalid Date",
+        "path": [],
+        "message": "Invalid input: expected date, received Date"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("symbol schema", () => {
+  symbolSchema.parse(Symbol("foo"));
+  expect(() => symbolSchema.parse("foo")).toThrow();
+  expect(() => symbolSchema.parse(Math.random())).toThrow();
+  expect(() => symbolSchema.parse(true)).toThrow();
+  expect(() => symbolSchema.parse(new Date())).toThrow();
+  expect(() => symbolSchema.parse(undefined)).toThrow();
+  expect(() => symbolSchema.parse(null)).toThrow();
+});
+
+test("undefined schema", () => {
+  undefinedSchema.parse(undefined);
+  expect(() => undefinedSchema.parse("foo")).toThrow();
+  expect(() => undefinedSchema.parse(Math.random())).toThrow();
+  expect(() => undefinedSchema.parse(true)).toThrow();
+  expect(() => undefinedSchema.parse(null)).toThrow();
+});
+
+test("null schema", () => {
+  nullSchema.parse(null);
+  expect(() => nullSchema.parse("foo")).toThrow();
+  expect(() => nullSchema.parse(Math.random())).toThrow();
+  expect(() => nullSchema.parse(true)).toThrow();
+  expect(() => nullSchema.parse(undefined)).toThrow();
+});
+
+test("primitive inference", () => {
+  expectTypeOf<z.TypeOf<typeof literalStringSchema>>().toEqualTypeOf<"asdf">();
+  expectTypeOf<z.TypeOf<typeof literalNumberSchema>>().toEqualTypeOf<12>();
+  expectTypeOf<z.TypeOf<typeof literalBooleanSchema>>().toEqualTypeOf<true>();
+  expectTypeOf<z.TypeOf<typeof literalBigIntSchema>>().toEqualTypeOf<bigint>();
+  expectTypeOf<z.TypeOf<typeof stringSchema>>().toEqualTypeOf<string>();
+  expectTypeOf<z.TypeOf<typeof numberSchema>>().toEqualTypeOf<number>();
+  expectTypeOf<z.TypeOf<typeof bigintSchema>>().toEqualTypeOf<bigint>();
+  expectTypeOf<z.TypeOf<typeof booleanSchema>>().toEqualTypeOf<boolean>();
+  expectTypeOf<z.TypeOf<typeof dateSchema>>().toEqualTypeOf<Date>();
+  expectTypeOf<z.TypeOf<typeof symbolSchema>>().toEqualTypeOf<symbol>();
+  expectTypeOf<z.TypeOf<typeof nullSchema>>().toEqualTypeOf<null>();
+  expectTypeOf<z.TypeOf<typeof undefinedSchema>>().toEqualTypeOf<undefined>();
+  expectTypeOf<z.TypeOf<typeof stringSchemaOptional>>().toEqualTypeOf<string | undefined>();
+  expectTypeOf<z.TypeOf<typeof stringSchemaNullable>>().toEqualTypeOf<string | null>();
+  expectTypeOf<z.TypeOf<typeof numberSchemaOptional>>().toEqualTypeOf<number | undefined>();
+  expectTypeOf<z.TypeOf<typeof numberSchemaNullable>>().toEqualTypeOf<number | null>();
+  expectTypeOf<z.TypeOf<typeof bigintSchemaOptional>>().toEqualTypeOf<bigint | undefined>();
+  expectTypeOf<z.TypeOf<typeof bigintSchemaNullable>>().toEqualTypeOf<bigint | null>();
+  expectTypeOf<z.TypeOf<typeof booleanSchemaOptional>>().toEqualTypeOf<boolean | undefined>();
+  expectTypeOf<z.TypeOf<typeof booleanSchemaNullable>>().toEqualTypeOf<boolean | null>();
+  expectTypeOf<z.TypeOf<typeof dateSchemaOptional>>().toEqualTypeOf<Date | undefined>();
+  expectTypeOf<z.TypeOf<typeof dateSchemaNullable>>().toEqualTypeOf<Date | null>();
+  expectTypeOf<z.TypeOf<typeof symbolSchemaOptional>>().toEqualTypeOf<symbol | undefined>();
+  expectTypeOf<z.TypeOf<typeof symbolSchemaNullable>>().toEqualTypeOf<symbol | null>();
+});
+
+test("get literal values", () => {
+  expect(literalStringSchema.values).toEqual(new Set(["asdf"]));
+  expect(literalStringSchema._zod.def.values).toEqual(["asdf"]);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/promise.test.ts

@@ -0,0 +1,81 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+const promSchema = z.promise(
+  z.object({
+    name: z.string(),
+    age: z.number(),
+  })
+);
+
+test("promise inference", () => {
+  type promSchemaType = z.infer<typeof promSchema>;
+  expectTypeOf<promSchemaType>().toEqualTypeOf<Promise<{ name: string; age: number }>>();
+});
+
+test("promise parsing success", async () => {
+  // expect(() => promSchema.parse(Promise.resolve({ name: "Bobby", age: 10 }))).toThrow();
+  const pr = promSchema.parseAsync(Promise.resolve({ name: "Bobby", age: 10 }));
+  expect(pr).toBeInstanceOf(Promise);
+  const result = await pr;
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "age": 10,
+      "name": "Bobby",
+    }
+  `);
+});
+
+test("promise parsing fail", async () => {
+  const bad = await promSchema.safeParseAsync(Promise.resolve({ name: "Bobby", age: "10" }));
+  expect(bad.success).toBe(false);
+  expect(bad.error).toBeInstanceOf(z.ZodError);
+});
+
+test("promise parsing fail 2", async () => {
+  const result = await promSchema.safeParseAsync(Promise.resolve({ name: "Bobby", age: "10" }));
+  expect(result.success).toBe(false);
+  expect(result.error).toBeInstanceOf(z.ZodError);
+});
+
+test("promise parsing fail", () => {
+  const bad = () => promSchema.parse({ then: () => {}, catch: {} });
+  expect(bad).toThrow();
+});
+
+test("sync promise parsing", () => {
+  expect(() => z.promise(z.string()).parse(Promise.resolve("asfd"))).toThrow();
+});
+
+const asyncFunction = z.function({
+  input: z.tuple([]),
+  output: promSchema,
+});
+
+test("async function pass", async () => {
+  const validatedFunction = asyncFunction.implementAsync(async () => {
+    return { name: "jimmy", age: 14 };
+  });
+  await expect(validatedFunction()).resolves.toEqual({
+    name: "jimmy",
+    age: 14,
+  });
+});
+
+test("async function fail", async () => {
+  const validatedFunction = asyncFunction.implementAsync(() => {
+    return Promise.resolve("asdf" as any);
+  });
+  await expect(validatedFunction()).rejects.toBeInstanceOf(z.core.$ZodError);
+});
+
+test("async promise parsing", () => {
+  const res = z.promise(z.number()).parseAsync(Promise.resolve(12));
+  expect(res).toBeInstanceOf(Promise);
+});
+
+test("resolves", () => {
+  const foo = z.literal("foo");
+  const res = z.promise(foo);
+  expect(res.unwrap()).toEqual(foo);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/prototypes.test.ts

@@ -0,0 +1,23 @@
+import { expect, test } from "vitest";
+import * as z from "zod/v4";
+
+declare module "zod/v4" {
+  interface ZodType {
+    /** @deprecated */
+    _classic(): string;
+  }
+}
+
+test("prototype extension", () => {
+  z.ZodType.prototype._classic = function () {
+    return "_classic";
+  };
+
+  // should pass
+  const result = z.string()._classic();
+  expect(result).toBe("_classic");
+  // expectTypeOf<typeof result>().toEqualTypeOf<string>();
+
+  // clean up
+  z.ZodType.prototype._classic = undefined;
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/readonly.test.ts

@@ -0,0 +1,252 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+enum testEnum {
+  A = 0,
+  B = 1,
+}
+
+test("flat inference", () => {
+  const readonlyString = z.string().readonly();
+  const readonlyNumber = z.number().readonly();
+  const readonlyNaN = z.nan().readonly();
+  const readonlyBigInt = z.bigint().readonly();
+  const readonlyBoolean = z.boolean().readonly();
+  const readonlyDate = z.date().readonly();
+  const readonlyUndefined = z.undefined().readonly();
+  const readonlyNull = z.null().readonly();
+  const readonlyAny = z.any().readonly();
+  const readonlyUnknown = z.unknown().readonly();
+  const readonlyVoid = z.void().readonly();
+  const readonlyStringArray = z.array(z.string()).readonly();
+  const readonlyTuple = z.tuple([z.string(), z.number()]).readonly();
+  const readonlyMap = z.map(z.string(), z.date()).readonly();
+  const readonlySet = z.set(z.string()).readonly();
+  const readonlyStringRecord = z.record(z.string(), z.string()).readonly();
+  const readonlyNumberRecord = z.record(z.string(), z.number()).readonly();
+  const readonlyObject = z.object({ a: z.string(), 1: z.number() }).readonly();
+  const readonlyEnum = z.nativeEnum(testEnum).readonly();
+  const readonlyPromise = z.promise(z.string()).readonly();
+
+  expectTypeOf<typeof readonlyString._output>().toEqualTypeOf<string>();
+  expectTypeOf<typeof readonlyNumber._output>().toEqualTypeOf<number>();
+  expectTypeOf<typeof readonlyNaN._output>().toEqualTypeOf<number>();
+  expectTypeOf<typeof readonlyBigInt._output>().toEqualTypeOf<bigint>();
+  expectTypeOf<typeof readonlyBoolean._output>().toEqualTypeOf<boolean>();
+  expectTypeOf<typeof readonlyDate._output>().toEqualTypeOf<Date>();
+  expectTypeOf<typeof readonlyUndefined._output>().toEqualTypeOf<undefined>();
+  expectTypeOf<typeof readonlyNull._output>().toEqualTypeOf<null>();
+  expectTypeOf<typeof readonlyAny._output>().toEqualTypeOf<any>();
+  expectTypeOf<typeof readonlyUnknown._output>().toEqualTypeOf<Readonly<unknown>>();
+  expectTypeOf<typeof readonlyVoid._output>().toEqualTypeOf<void>();
+  expectTypeOf<typeof readonlyStringArray._output>().toEqualTypeOf<readonly string[]>();
+  expectTypeOf<typeof readonlyTuple._output>().toEqualTypeOf<readonly [string, number]>();
+  expectTypeOf<typeof readonlyMap._output>().toEqualTypeOf<ReadonlyMap<string, Date>>();
+  expectTypeOf<typeof readonlySet._output>().toEqualTypeOf<ReadonlySet<string>>();
+  expectTypeOf<typeof readonlyStringRecord._output>().toEqualTypeOf<Readonly<Record<string, string>>>();
+  expectTypeOf<typeof readonlyNumberRecord._output>().toEqualTypeOf<Readonly<Record<string, number>>>();
+  expectTypeOf<typeof readonlyObject._output>().toEqualTypeOf<{ readonly a: string; readonly 1: number }>();
+  expectTypeOf<typeof readonlyEnum._output>().toEqualTypeOf<Readonly<testEnum>>();
+  expectTypeOf<typeof readonlyPromise._output>().toEqualTypeOf<Promise<string>>();
+});
+
+// test("deep inference", () => {
+//   expectTypeOf<z.infer<(typeof deepReadonlySchemas_0)[0]>>().toEqualTypeOf<string>();
+//   expectTypeOf<z.infer<(typeof deepReadonlySchemas_0)[1]>>().toEqualTypeOf<number>();
+//   expectTypeOf<z.infer<(typeof deepReadonlySchemas_0)[2]>>().toEqualTypeOf<number>();
+//   expectTypeOf<z.infer<(typeof deepReadonlySchemas_0)[3]>>().toEqualTypeOf<bigint>();
+//   expectTypeOf<z.infer<(typeof deepReadonlySchemas_0)[4]>>().toEqualTypeOf<boolean>();
+//   expectTypeOf<z.infer<(typeof deepReadonlySchemas_0)[5]>>().toEqualTypeOf<Date>();
+//   expectTypeOf<z.infer<(typeof deepReadonlySchemas_0)[6]>>().toEqualTypeOf<undefined>();
+//   expectTypeOf<z.infer<(typeof deepReadonlySchemas_0)[7]>>().toEqualTypeOf<null>();
+//   expectTypeOf<z.infer<(typeof deepReadonlySchemas_0)[8]>>().toEqualTypeOf<any>();
+//   expectTypeOf<
+//     z.infer<(typeof deepReadonlySchemas_0)[9]>
+//   >().toEqualTypeOf<Readonly<unknown>>();
+//   expectTypeOf<z.infer<(typeof deepReadonlySchemas_0)[10]>>().toEqualTypeOf<void>();
+//   expectTypeOf<
+//     z.infer<(typeof deepReadonlySchemas_0)[11]>
+//   >().toEqualTypeOf<(args_0: string, args_1: number, ...args_2: unknown[]) => unknown>();
+//   expectTypeOf<
+//     z.infer<(typeof deepReadonlySchemas_0)[12]>
+//   >().toEqualTypeOf<readonly string[]>();
+//   expectTypeOf<
+//     z.infer<(typeof deepReadonlySchemas_0)[13]>
+//   >().toEqualTypeOf<readonly [string, number]>();
+//   expectTypeOf<
+//     z.infer<(typeof deepReadonlySchemas_0)[14]>
+//   >().toEqualTypeOf<ReadonlyMap<string, Date>>();
+//   expectTypeOf<
+//     z.infer<(typeof deepReadonlySchemas_0)[15]>
+//   >().toEqualTypeOf<ReadonlySet<Promise<string>>>();
+//   expectTypeOf<
+//     z.infer<(typeof deepReadonlySchemas_0)[16]>
+//   >().toEqualTypeOf<Readonly<Record<string, string>>>();
+//   expectTypeOf<
+//     z.infer<(typeof deepReadonlySchemas_0)[17]>
+//   >().toEqualTypeOf<Readonly<Record<string, number>>>();
+//   expectTypeOf<
+//     z.infer<(typeof deepReadonlySchemas_0)[18]>
+//   >().toEqualTypeOf<{ readonly a: string; readonly 1: number }>();
+//   expectTypeOf<
+//     z.infer<(typeof deepReadonlySchemas_0)[19]>
+//   >().toEqualTypeOf<Readonly<testEnum>>();
+//   expectTypeOf<
+//     z.infer<(typeof deepReadonlySchemas_0)[20]>
+//   >().toEqualTypeOf<Promise<string>>();
+
+//   expectTypeOf<
+//     z.infer<typeof crazyDeepReadonlySchema>
+//   >().toEqualTypeOf<ReadonlyMap<
+//     ReadonlySet<readonly [string, number]>,
+//     {
+//       readonly a: {
+//         readonly [x: string]: readonly any[];
+//       };
+//       readonly b: {
+//         readonly c: {
+//           readonly d: {
+//             readonly e: {
+//               readonly f: {
+//                 readonly g?: {};
+//               };
+//             };
+//           };
+//         };
+//       };
+//     }
+//   >>();
+// });
+
+test("object freezing", async () => {
+  expect(Object.isFrozen(z.array(z.string()).readonly().parse(["a"]))).toBe(true);
+  expect(Object.isFrozen(z.tuple([z.string(), z.number()]).readonly().parse(["a", 1]))).toBe(true);
+  expect(
+    Object.isFrozen(
+      z
+        .map(z.string(), z.date())
+        .readonly()
+        .parse(new Map([["a", new Date()]]))
+    )
+  ).toBe(true);
+
+  expect(Object.isFrozen(z.record(z.string(), z.string()).readonly().parse({ a: "b" }))).toBe(true);
+  expect(Object.isFrozen(z.record(z.string(), z.number()).readonly().parse({ a: 1 }))).toBe(true);
+  expect(Object.isFrozen(z.object({ a: z.string(), 1: z.number() }).readonly().parse({ a: "b", 1: 2 }))).toBe(true);
+  expect(
+    Object.isFrozen(
+      await z
+        .set(z.promise(z.string()))
+        .readonly()
+        .parseAsync(new Set([Promise.resolve("a")]))
+    )
+  ).toBe(true);
+  expect(Object.isFrozen(await z.promise(z.string()).readonly().parseAsync(Promise.resolve("a")))).toBe(true);
+});
+
+test("async object freezing", async () => {
+  expect(Object.isFrozen(await z.array(z.string()).readonly().parseAsync(["a"]))).toBe(true);
+  expect(Object.isFrozen(await z.tuple([z.string(), z.number()]).readonly().parseAsync(["a", 1]))).toBe(true);
+  expect(
+    Object.isFrozen(
+      await z
+        .map(z.string(), z.date())
+        .readonly()
+        .parseAsync(new Map([["a", new Date()]]))
+    )
+  ).toBe(true);
+  expect(
+    Object.isFrozen(
+      await z
+        .set(z.promise(z.string()))
+        .readonly()
+        .parseAsync(new Set([Promise.resolve("a")]))
+    )
+  ).toBe(true);
+  expect(Object.isFrozen(await z.record(z.string(), z.string()).readonly().parseAsync({ a: "b" }))).toBe(true);
+  expect(Object.isFrozen(await z.record(z.string(), z.number()).readonly().parseAsync({ a: 1 }))).toBe(true);
+  expect(
+    Object.isFrozen(await z.object({ a: z.string(), 1: z.number() }).readonly().parseAsync({ a: "b", 1: 2 }))
+  ).toBe(true);
+  expect(Object.isFrozen(await z.promise(z.string()).readonly().parseAsync(Promise.resolve("a")))).toBe(true);
+});
+
+test("readonly inference", () => {
+  const readonlyStringArray = z.string().array().readonly();
+  const readonlyStringTuple = z.tuple([z.string()]).readonly();
+  const deepReadonly = z.object({ a: z.string() }).readonly();
+
+  type readonlyStringArray = z.infer<typeof readonlyStringArray>;
+  type readonlyStringTuple = z.infer<typeof readonlyStringTuple>;
+  type deepReadonly = z.infer<typeof deepReadonly>;
+
+  expectTypeOf<readonlyStringArray>().toEqualTypeOf<readonly string[]>();
+  expectTypeOf<readonlyStringTuple>().toEqualTypeOf<readonly [string]>();
+  expectTypeOf<deepReadonly>().toEqualTypeOf<{ readonly a: string }>();
+});
+
+test("readonly parse", () => {
+  const schema = z.array(z.string()).readonly();
+  const readonlyArray = ["a", "b", "c"] as const;
+  const mutableArray = ["a", "b", "c"];
+  const result1 = schema.parse(readonlyArray);
+  const result2 = schema.parse(mutableArray);
+  expect(result1).toEqual(readonlyArray);
+  expect(result2).toEqual(mutableArray);
+});
+
+test("readonly parse with tuples", () => {
+  const schema = z.tuple([z.string(), z.number()]).readonly();
+  schema.parse(["a", 1]);
+});
+
+test("readonly and the get method", () => {
+  const readonlyString = z.string().readonly();
+  const readonlyNumber1 = z.number().readonly();
+  const readonlyNumber2 = z.number().readonly();
+  const readonlyBigInt = z.bigint().readonly();
+  const readonlyBoolean = z.boolean().readonly();
+  const readonlyDate = z.date().readonly();
+  const readonlyUndefined = z.undefined().readonly();
+  const readonlyNull = z.null().readonly();
+  const readonlyAny = z.any().readonly();
+  const readonlyUnknown = z.unknown().readonly();
+  const readonlyVoid = z.void().readonly();
+  // const readonlyFunction = z.function(z.tuple([z.string(), z.number()]), z.unknown()).readonly();
+  const readonlyStringArray = z.string().array().readonly();
+  const readonlyTuple = z.tuple([z.string(), z.number()]).readonly();
+
+  expectTypeOf<z.infer<typeof readonlyString>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof readonlyNumber1>>().toEqualTypeOf<number>();
+  expectTypeOf<z.infer<typeof readonlyNumber2>>().toEqualTypeOf<number>();
+  expectTypeOf<z.infer<typeof readonlyBigInt>>().toEqualTypeOf<bigint>();
+  expectTypeOf<z.infer<typeof readonlyBoolean>>().toEqualTypeOf<boolean>();
+  expectTypeOf<z.infer<typeof readonlyDate>>().toEqualTypeOf<Date>();
+  expectTypeOf<z.infer<typeof readonlyUndefined>>().toEqualTypeOf<undefined>();
+  expectTypeOf<z.infer<typeof readonlyNull>>().toEqualTypeOf<null>();
+  expectTypeOf<z.infer<typeof readonlyAny>>().toEqualTypeOf<any>();
+  expectTypeOf<z.infer<typeof readonlyUnknown>>().toEqualTypeOf<Readonly<unknown>>();
+  expectTypeOf<z.infer<typeof readonlyVoid>>().toEqualTypeOf<void>();
+  // expectTypeOf<z.infer<typeof readonlyFunction>>().toEqualTypeOf<
+  //   (args_0: string, args_1: number, ...args_2: unknown[]) => unknown
+  // >();
+  expectTypeOf<z.infer<typeof readonlyStringArray>>().toEqualTypeOf<readonly string[]>();
+  expectTypeOf<z.infer<typeof readonlyTuple>>().toEqualTypeOf<readonly [string, number]>();
+
+  expect(readonlyString.parse("asdf")).toEqual("asdf");
+  expect(readonlyNumber1.parse(1234)).toEqual(1234);
+  expect(readonlyNumber2.parse(1234)).toEqual(1234);
+  const bigIntVal = BigInt(1);
+  expect(readonlyBigInt.parse(bigIntVal)).toEqual(bigIntVal);
+  expect(readonlyBoolean.parse(true)).toEqual(true);
+  const dateVal = new Date();
+  expect(readonlyDate.parse(dateVal)).toEqual(dateVal);
+  expect(readonlyUndefined.parse(undefined)).toEqual(undefined);
+  expect(readonlyNull.parse(null)).toEqual(null);
+  expect(readonlyAny.parse("whatever")).toEqual("whatever");
+  expect(readonlyUnknown.parse("whatever")).toEqual("whatever");
+  expect(readonlyVoid.parse(undefined)).toEqual(undefined);
+  // expect(readonlyFunction.parse(() => void 0)).toEqual(() => void 0);
+  expect(readonlyStringArray.parse(["asdf"])).toEqual(["asdf"]);
+  expect(readonlyTuple.parse(["asdf", 1234])).toEqual(["asdf", 1234]);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/record.test.ts

@@ -0,0 +1,632 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+test("type inference", () => {
+  const booleanRecord = z.record(z.string(), z.boolean());
+  type booleanRecord = typeof booleanRecord._output;
+
+  const recordWithEnumKeys = z.record(z.enum(["Tuna", "Salmon"]), z.string());
+  type recordWithEnumKeys = z.infer<typeof recordWithEnumKeys>;
+
+  const recordWithLiteralKey = z.record(z.literal(["Tuna", "Salmon", 21]), z.string());
+  type recordWithLiteralKey = z.infer<typeof recordWithLiteralKey>;
+
+  const recordWithLiteralUnionKeys = z.record(
+    z.union([z.literal("Tuna"), z.literal("Salmon"), z.literal(21)]),
+    z.string()
+  );
+  type recordWithLiteralUnionKeys = z.infer<typeof recordWithLiteralUnionKeys>;
+
+  enum Enum {
+    Tuna = 0,
+    Salmon = "Shark",
+  }
+
+  const recordWithTypescriptEnum = z.record(z.enum(Enum), z.string());
+  type recordWithTypescriptEnum = z.infer<typeof recordWithTypescriptEnum>;
+
+  expectTypeOf<booleanRecord>().toEqualTypeOf<Record<string, boolean>>();
+  expectTypeOf<recordWithEnumKeys>().toEqualTypeOf<Record<"Tuna" | "Salmon", string>>();
+  expectTypeOf<recordWithLiteralKey>().toEqualTypeOf<Record<"Tuna" | "Salmon" | 21, string>>();
+  expectTypeOf<recordWithLiteralUnionKeys>().toEqualTypeOf<Record<"Tuna" | "Salmon" | 21, string>>();
+  expectTypeOf<recordWithTypescriptEnum>().toEqualTypeOf<Record<Enum, string>>();
+});
+
+test("enum exhaustiveness", () => {
+  const schema = z.record(z.enum(["Tuna", "Salmon"]), z.string());
+  expect(
+    schema.parse({
+      Tuna: "asdf",
+      Salmon: "asdf",
+    })
+  ).toEqual({
+    Tuna: "asdf",
+    Salmon: "asdf",
+  });
+
+  expect(schema.safeParse({ Tuna: "asdf", Salmon: "asdf", Trout: "asdf" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "unrecognized_keys",
+        "keys": [
+          "Trout"
+        ],
+        "path": [],
+        "message": "Unrecognized key: \\"Trout\\""
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(schema.safeParse({ Tuna: "asdf" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "Salmon"
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("typescript enum exhaustiveness", () => {
+  enum BigFish {
+    Tuna = 0,
+    Salmon = "Shark",
+  }
+
+  const schema = z.record(z.enum(BigFish), z.string());
+  const value = {
+    [BigFish.Tuna]: "asdf",
+    [BigFish.Salmon]: "asdf",
+  };
+
+  expect(schema.parse(value)).toEqual(value);
+
+  expect(schema.safeParse({ [BigFish.Tuna]: "asdf", [BigFish.Salmon]: "asdf", Trout: "asdf" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "unrecognized_keys",
+        "keys": [
+          "Trout"
+        ],
+        "path": [],
+        "message": "Unrecognized key: \\"Trout\\""
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(schema.safeParse({ [BigFish.Tuna]: "asdf" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "Shark"
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(schema.safeParse({ [BigFish.Salmon]: "asdf" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          0
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("literal exhaustiveness", () => {
+  const schema = z.record(z.literal(["Tuna", "Salmon", 21]), z.string());
+  schema.parse({
+    Tuna: "asdf",
+    Salmon: "asdf",
+    21: "asdf",
+  });
+
+  expect(schema.safeParse({ Tuna: "asdf", Salmon: "asdf", 21: "asdf", Trout: "asdf" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "unrecognized_keys",
+        "keys": [
+          "Trout"
+        ],
+        "path": [],
+        "message": "Unrecognized key: \\"Trout\\""
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(schema.safeParse({ Tuna: "asdf" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "Salmon"
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      },
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          21
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("pipe exhaustiveness", () => {
+  const schema = z.record(z.enum(["Tuna", "Salmon"]).pipe(z.any()), z.string());
+  expect(schema.parse({ Tuna: "asdf", Salmon: "asdf" })).toEqual({
+    Tuna: "asdf",
+    Salmon: "asdf",
+  });
+
+  expect(schema.safeParse({ Tuna: "asdf", Salmon: "asdf", Trout: "asdf" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "unrecognized_keys",
+        "keys": [
+          "Trout"
+        ],
+        "path": [],
+        "message": "Unrecognized key: \\"Trout\\""
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(schema.safeParse({ Tuna: "asdf" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "Salmon"
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("union exhaustiveness", () => {
+  const schema = z.record(z.union([z.literal("Tuna"), z.literal("Salmon"), z.literal(21)]), z.string());
+  expect(schema.parse({ Tuna: "asdf", Salmon: "asdf", 21: "asdf" })).toEqual({
+    Tuna: "asdf",
+    Salmon: "asdf",
+    21: "asdf",
+  });
+
+  expect(schema.safeParse({ Tuna: "asdf", Salmon: "asdf", 21: "asdf", Trout: "asdf" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "unrecognized_keys",
+        "keys": [
+          "Trout"
+        ],
+        "path": [],
+        "message": "Unrecognized key: \\"Trout\\""
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(schema.safeParse({ Tuna: "asdf" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "Salmon"
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      },
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          21
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("string record parse - pass", () => {
+  const schema = z.record(z.string(), z.boolean());
+  schema.parse({
+    k1: true,
+    k2: false,
+    1234: false,
+  });
+
+  expect(schema.safeParse({ asdf: 1234 }).success).toEqual(false);
+  expect(schema.safeParse("asdf")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "record",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected record, received string"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("key and value getters", () => {
+  const rec = z.record(z.string(), z.number());
+
+  rec.keyType.parse("asdf");
+  rec.valueType.parse(1234);
+});
+
+test("is not vulnerable to prototype pollution", async () => {
+  const rec = z.record(
+    z.string(),
+    z.object({
+      a: z.string(),
+    })
+  );
+
+  const data = JSON.parse(`
+    {
+      "__proto__": {
+        "a": "evil"
+      },
+      "b": {
+        "a": "good"
+      }
+    }
+  `);
+
+  const obj1 = rec.parse(data);
+  expect(obj1.a).toBeUndefined();
+
+  const obj2 = rec.safeParse(data);
+  expect(obj2.success).toBe(true);
+  if (obj2.success) {
+    expect(obj2.data.a).toBeUndefined();
+  }
+
+  const obj3 = await rec.parseAsync(data);
+  expect(obj3.a).toBeUndefined();
+
+  const obj4 = await rec.safeParseAsync(data);
+  expect(obj4.success).toBe(true);
+  if (obj4.success) {
+    expect(obj4.data.a).toBeUndefined();
+  }
+});
+
+test("dont remove undefined values", () => {
+  const result1 = z.record(z.string(), z.any()).parse({ foo: undefined });
+
+  expect(result1).toEqual({
+    foo: undefined,
+  });
+});
+
+test("allow undefined values", () => {
+  const schema = z.record(z.string(), z.undefined());
+
+  expect(
+    Object.keys(
+      schema.parse({
+        _test: undefined,
+      })
+    )
+  ).toEqual(["_test"]);
+});
+
+test("async parsing", async () => {
+  const schema = z
+    .record(
+      z.string(),
+      z
+        .string()
+        .optional()
+        .refine(async () => true)
+    )
+    .refine(async () => true);
+
+  const data = {
+    foo: "bar",
+    baz: "qux",
+  };
+  const result = await schema.safeParseAsync(data);
+  expect(result.data).toEqual(data);
+});
+
+test("async parsing", async () => {
+  const schema = z
+    .record(
+      z.string(),
+      z
+        .string()
+        .optional()
+        .refine(async () => false)
+    )
+    .refine(async () => false);
+
+  const data = {
+    foo: "bar",
+    baz: "qux",
+  };
+  const result = await schema.safeParseAsync(data);
+  expect(result.success).toEqual(false);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [
+          "foo"
+        ],
+        "message": "Invalid input"
+      },
+      {
+        "code": "custom",
+        "path": [
+          "baz"
+        ],
+        "message": "Invalid input"
+      },
+      {
+        "code": "custom",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]]
+  `);
+});
+
+test("partial record", () => {
+  const schema = z.partialRecord(z.string(), z.string());
+  type schema = z.infer<typeof schema>;
+  expectTypeOf<schema>().toEqualTypeOf<Partial<Record<string, string>>>();
+
+  const Keys = z.enum(["id", "name", "email"]); //.or(z.never());
+  const Person = z.partialRecord(Keys, z.string());
+  expectTypeOf<z.infer<typeof Person>>().toEqualTypeOf<Partial<Record<"id" | "name" | "email", string>>>();
+
+  Person.parse({
+    id: "123",
+    // name: "John",
+    // email: "john@example.com",
+  });
+
+  Person.parse({
+    // id: "123",
+    // name: "John",
+    email: "john@example.com",
+  });
+
+  expect(Person.def.keyType._zod.def.type).toEqual("enum");
+});
+
+test("partialRecord with z.literal([key, ...])", () => {
+  const Keys = z.literal(["id", "name", "email"]);
+  const schema = z.partialRecord(Keys, z.string());
+  type Schema = z.infer<typeof schema>;
+  expectTypeOf<Schema>().toEqualTypeOf<Partial<Record<"id" | "name" | "email", string>>>();
+
+  // Should parse valid partials
+  expect(schema.parse({})).toEqual({});
+  expect(schema.parse({ id: "1" })).toEqual({ id: "1" });
+  expect(schema.parse({ name: "n", email: "e@example.com" })).toEqual({ name: "n", email: "e@example.com" });
+
+  // Should fail with unrecognized key, error checked via inline snapshot
+  expect(schema.safeParse({ foo: "bar" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_key",
+        "origin": "record",
+        "issues": [
+          {
+            "code": "invalid_value",
+            "values": [
+              "id",
+              "name",
+              "email"
+            ],
+            "path": [],
+            "message": "Invalid option: expected one of \\"id\\"|\\"name\\"|\\"email\\""
+          }
+        ],
+        "path": [
+          "foo"
+        ],
+        "message": "Invalid key in record"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("partialRecord with numeric literal keys", () => {
+  const Keys = z.literal([1, 2, 3]);
+  const schema = z.partialRecord(Keys, z.string());
+  type Schema = z.infer<typeof schema>;
+  expectTypeOf<Schema>().toEqualTypeOf<Partial<Record<1 | 2 | 3, string>>>();
+
+  // Should parse valid partials with numeric keys (as strings in JS objects)
+  expect(schema.parse({})).toEqual({});
+  expect(schema.parse({ 1: "one" })).toEqual({ 1: "one" });
+  expect(schema.parse({ 2: "two", 3: "three" })).toEqual({ 2: "two", 3: "three" });
+
+  // Should fail with unrecognized key
+  expect(schema.safeParse({ 4: "four" }).success).toBe(false);
+});
+
+test("partialRecord with union of string and numeric literal keys", () => {
+  const StringKeys = z.literal(["a", "b", "c"]);
+  const NumericKeys = z.literal([1, 2, 3]);
+  const schema = z.partialRecord(z.union([StringKeys, NumericKeys]), z.string());
+  type Schema = z.infer<typeof schema>;
+  expectTypeOf<Schema>().toEqualTypeOf<Partial<Record<"a" | "b" | "c" | 1 | 2 | 3, string>>>();
+
+  // Should parse valid partials with mixed keys
+  expect(schema.parse({})).toEqual({});
+  expect(schema.parse({ a: "1", 2: "4" })).toEqual({ a: "1", 2: "4" });
+  expect(schema.parse({ a: "a", b: "b", 1: "1", 2: "2" })).toEqual({ a: "a", b: "b", 1: "1", 2: "2" });
+
+  // Should fail with unrecognized key
+  expect(schema.safeParse({ d: "d" }).success).toBe(false);
+  expect(schema.safeParse({ 4: "4" }).success).toBe(false);
+});
+
+test("looseRecord passes through non-matching keys", () => {
+  const schema = z.looseRecord(z.string().regex(/^S_/), z.string());
+
+  // Keys matching pattern are validated
+  expect(schema.parse({ S_name: "John" })).toEqual({ S_name: "John" });
+  expect(() => schema.parse({ S_name: 123 })).toThrow(); // wrong value type
+
+  // Keys not matching pattern pass through unchanged
+  expect(schema.parse({ S_name: "John", other: "value" })).toEqual({ S_name: "John", other: "value" });
+  expect(schema.parse({ S_name: "John", count: 123 })).toEqual({ S_name: "John", count: 123 });
+  expect(schema.parse({ other: "value" })).toEqual({ other: "value" });
+});
+
+test("intersection of loose records", () => {
+  const schema = z.intersection(
+    z.object({ name: z.string() }).passthrough(),
+    z.intersection(
+      z.looseRecord(z.string().regex(/^S_/), z.string()),
+      z.looseRecord(z.string().regex(/^N_/), z.number())
+    )
+  );
+
+  // Each pattern validates its matching keys
+  const result = schema.parse({ name: "John", S_foo: "bar", N_count: 123 });
+  expect(result.name).toBe("John");
+  expect(result.S_foo).toBe("bar");
+  expect(result.N_count).toBe(123);
+
+  // Keys not matching any pattern pass through
+  const result2 = schema.parse({ name: "John", S_foo: "bar", N_count: 123, other: "value" });
+  expect(result2.other).toBe("value");
+
+  // Validation errors still occur for matching keys
+  expect(() => schema.parse({ name: "John", S_foo: 123 })).toThrow(); // S_foo should be string
+  expect(() => schema.parse({ name: "John", N_count: "abc" })).toThrow(); // N_count should be number
+});
+
+test("object with looseRecord index signature", () => {
+  // Simulates TypeScript index signature: { label: string; [key: `label:${string}`]: string }
+  const schema = z.object({ label: z.string() }).and(z.looseRecord(z.string().regex(/^label:[a-z]{2}$/), z.string()));
+
+  type Schema = z.infer<typeof schema>;
+  expectTypeOf<Schema>().toEqualTypeOf<{ label: string } & Record<string, string>>();
+
+  // Valid: has required property and matching pattern keys
+  expect(schema.parse({ label: "Purple", "label:en": "Purple", "label:ru": "Пурпурный" })).toEqual({
+    label: "Purple",
+    "label:en": "Purple",
+    "label:ru": "Пурпурный",
+  });
+
+  // Valid: just required property
+  expect(schema.parse({ label: "Purple" })).toEqual({ label: "Purple" });
+
+  // Invalid: missing required property
+  expect(schema.safeParse({ "label:en": "Purple" })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "label"
+        ],
+        "message": "Invalid input: expected string, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  // Invalid: pattern key with wrong value type
+  expect(schema.safeParse({ label: "Purple", "label:en": 123 })).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "label:en"
+        ],
+        "message": "Invalid input: expected string, received number"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("numeric string keys", () => {
+  const schema = z.record(z.number(), z.number());
+
+  // Numeric string keys work
+  expect(schema.parse({ 1: 100, 2: 200 })).toEqual({ 1: 100, 2: 200 });
+  expect(schema.parse({ "1.5": 100, "-3": 200 })).toEqual({ "1.5": 100, "-3": 200 });
+
+  // Non-numeric keys fail
+  expect(schema.safeParse({ abc: 100 }).success).toBe(false);
+
+  // Integer constraint is respected
+  const intSchema = z.record(z.number().int(), z.number());
+  expect(intSchema.parse({ 1: 100 })).toEqual({ 1: 100 });
+  expect(intSchema.safeParse({ "1.5": 100 }).success).toBe(false);
+
+  // Transforms on numeric keys work
+  const transformedSchema = z.record(
+    z.number().overwrite((n) => n * 2),
+    z.string()
+  );
+  expect(transformedSchema.parse({ 5: "five", 10: "ten" })).toEqual({ 10: "five", 20: "ten" });
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/recursive-types.test.ts

@@ -0,0 +1,582 @@
+import { expect, expectTypeOf, test } from "vitest";
+import { z } from "zod/v4";
+
+test("recursion with z.lazy", () => {
+  const data = {
+    name: "I",
+    subcategories: [
+      {
+        name: "A",
+        subcategories: [
+          {
+            name: "1",
+            subcategories: [
+              {
+                name: "a",
+                subcategories: [],
+              },
+            ],
+          },
+        ],
+      },
+    ],
+  };
+
+  const Category = z.object({
+    name: z.string(),
+    get subcategories() {
+      return z.array(Category).optional().nullable();
+    },
+  });
+  type Category = z.infer<typeof Category>;
+  interface _Category {
+    name: string;
+    subcategories?: _Category[] | undefined | null;
+  }
+  expectTypeOf<Category>().toEqualTypeOf<_Category>();
+  Category.parse(data);
+});
+
+test("recursion involving union type", () => {
+  const data = {
+    value: 1,
+    next: {
+      value: 2,
+      next: {
+        value: 3,
+        next: {
+          value: 4,
+          next: null,
+        },
+      },
+    },
+  };
+
+  const LL = z.object({
+    value: z.number(),
+    get next() {
+      return LL.nullable();
+    },
+  });
+  type LL = z.infer<typeof LL>;
+  type _LL = {
+    value: number;
+    next: _LL | null;
+  };
+  expectTypeOf<LL>().toEqualTypeOf<_LL>();
+
+  LL.parse(data);
+});
+
+test("mutual recursion - native", () => {
+  const Alazy = z.object({
+    val: z.number(),
+    get b() {
+      return Blazy;
+    },
+  });
+
+  const Blazy = z.object({
+    val: z.number(),
+    get a() {
+      return Alazy.optional();
+    },
+  });
+  const testData = {
+    val: 1,
+    b: {
+      val: 5,
+      a: {
+        val: 3,
+        b: {
+          val: 4,
+          a: {
+            val: 2,
+            b: {
+              val: 1,
+            },
+          },
+        },
+      },
+    },
+  };
+
+  type Alazy = z.infer<typeof Alazy>;
+  type Blazy = z.infer<typeof Blazy>;
+  interface _Alazy {
+    val: number;
+    b: _Blazy;
+  }
+  interface _Blazy {
+    val: number;
+    a?: _Alazy | undefined;
+  }
+  expectTypeOf<Alazy>().toEqualTypeOf<_Alazy>();
+  expectTypeOf<Blazy>().toEqualTypeOf<_Blazy>();
+  Alazy.parse(testData);
+  Blazy.parse(testData.b);
+
+  expect(() => Alazy.parse({ val: "asdf" })).toThrow();
+});
+
+test("pick and omit with getter", () => {
+  const Category = z.strictObject({
+    name: z.string(),
+    get subcategories() {
+      return z.array(Category);
+    },
+  });
+
+  type Category = z.infer<typeof Category>;
+
+  interface _Category {
+    name: string;
+    subcategories: _Category[];
+  }
+  expectTypeOf<Category>().toEqualTypeOf<_Category>();
+
+  const PickedCategory = Category.pick({ name: true });
+  const OmittedCategory = Category.omit({ subcategories: true });
+
+  const picked = { name: "test" };
+  const omitted = { name: "test" };
+
+  PickedCategory.parse(picked);
+  OmittedCategory.parse(omitted);
+
+  expect(() => PickedCategory.parse({ name: "test", subcategories: [] })).toThrow();
+  expect(() => OmittedCategory.parse({ name: "test", subcategories: [] })).toThrow();
+});
+
+test("deferred self-recursion", () => {
+  const Feature = z.object({
+    title: z.string(),
+    get features(): z.ZodOptional<z.ZodArray<typeof Feature>> {
+      return z.optional(z.array(Feature)); //.optional();
+    },
+  });
+  // type Feature = z.infer<typeof Feature>;
+
+  const Output = z.object({
+    id: z.int(), //.nonnegative(),
+    name: z.string(),
+    get features(): z.ZodArray<typeof Feature> {
+      return Feature.array();
+    },
+  });
+  type Output = z.output<typeof Output>;
+
+  type _Feature = {
+    title: string;
+    features?: _Feature[] | undefined;
+  };
+
+  type _Output = {
+    id: number;
+    name: string;
+    features: _Feature[];
+  };
+
+  // expectTypeOf<Feature>().toEqualTypeOf<_Feature>();
+  expectTypeOf<Output>().toEqualTypeOf<_Output>();
+});
+
+test("deferred mutual recursion", () => {
+  const Slot = z.object({
+    slotCode: z.string(),
+
+    get blocks() {
+      return z.array(Block);
+    },
+  });
+  type Slot = z.infer<typeof Slot>;
+
+  const Block = z.object({
+    blockCode: z.string(),
+    get slots() {
+      return z.array(Slot).optional();
+    },
+  });
+  type Block = z.infer<typeof Block>;
+
+  const Page = z.object({
+    slots: z.array(Slot),
+  });
+  type Page = z.infer<typeof Page>;
+
+  type _Slot = {
+    slotCode: string;
+    blocks: _Block[];
+  };
+  type _Block = {
+    blockCode: string;
+    slots?: _Slot[] | undefined;
+  };
+  type _Page = {
+    slots: _Slot[];
+  };
+  expectTypeOf<Slot>().toEqualTypeOf<_Slot>();
+  expectTypeOf<Block>().toEqualTypeOf<_Block>();
+  expectTypeOf<Page>().toEqualTypeOf<_Page>();
+});
+
+test("mutual recursion with meta", () => {
+  const A = z
+    .object({
+      name: z.string(),
+      get b() {
+        return B;
+      },
+    })
+    .readonly()
+    .meta({ id: "A" })
+    .optional();
+
+  const B = z
+    .object({
+      name: z.string(),
+      get a() {
+        return A;
+      },
+    })
+    .readonly()
+    .meta({ id: "B" });
+
+  type A = z.infer<typeof A>;
+  type B = z.infer<typeof B>;
+
+  type _A =
+    | Readonly<{
+        name: string;
+        b: _B;
+      }>
+    | undefined;
+  // | undefined;
+  type _B = Readonly<{
+    name: string;
+    a?: _A;
+  }>;
+  expectTypeOf<A>().toEqualTypeOf<_A>();
+  expectTypeOf<B>().toEqualTypeOf<_B>();
+});
+
+test("intersection with recursive types", () => {
+  const A = z.discriminatedUnion("type", [
+    z.object({
+      type: z.literal("CONTAINER"),
+    }),
+    z.object({
+      type: z.literal("SCREEN"),
+      config: z.object({ x: z.number(), y: z.number() }),
+    }),
+  ]);
+  // type A = z.infer<typeof A>;
+
+  const B = z.object({
+    get children() {
+      return z.array(C).optional();
+    },
+  });
+  // type B = z.infer<typeof B>;
+
+  const C = z.intersection(A, B);
+  type C = z.infer<typeof C>;
+
+  type _C = (
+    | {
+        type: "CONTAINER";
+      }
+    | {
+        type: "SCREEN";
+        config: {
+          x: number;
+          y: number;
+        };
+      }
+  ) & {
+    children?: _C[] | undefined;
+  };
+  expectTypeOf<C>().toEqualTypeOf<_C>();
+});
+
+test("object utilities with recursive types", () => {
+  const NodeBase = z.object({
+    id: z.string(),
+    name: z.string(),
+    get children() {
+      return z.array(Node).optional();
+    },
+  });
+
+  // Test extend with new keys (extend throws when overwriting existing keys)
+  const NodeOne = NodeBase.extend({
+    name: z.literal("nodeOne"),
+    get children() {
+      return z.array(Node);
+    },
+  });
+
+  const NodeTwo = NodeBase.extend({
+    name: z.literal("nodeTwo"),
+    get children() {
+      return z.array(Node);
+    },
+  });
+
+  // Test pick
+  const PickedNode = NodeBase.pick({ id: true, name: true });
+
+  // Test omit
+  const OmittedNode = NodeBase.omit({ children: true });
+
+  // Test merge
+  const ExtraProps = {
+    metadata: z.string(),
+    get parent() {
+      return Node.optional();
+    },
+  };
+  const MergedNode = NodeBase.extend(ExtraProps);
+
+  // Test partial
+  const PartialNode = NodeBase.partial();
+  const PartialMaskedNode = NodeBase.partial({ name: true });
+
+  // Test required (assuming NodeBase has optional fields)
+  const OptionalNodeBase = z.object({
+    id: z.string().optional(),
+    name: z.string().optional(),
+    get children() {
+      return z.array(Node).optional();
+    },
+  });
+  const RequiredNode = OptionalNodeBase.required();
+  const RequiredMaskedNode = OptionalNodeBase.required({ id: true });
+
+  const Node = z.union([
+    NodeOne,
+    NodeTwo,
+    PickedNode,
+    OmittedNode,
+    MergedNode,
+    PartialNode,
+    PartialMaskedNode,
+    RequiredNode,
+    RequiredMaskedNode,
+  ]);
+});
+
+test("tuple with recursive types", () => {
+  const TaskListNodeSchema = z.strictObject({
+    type: z.literal("taskList"),
+    get content() {
+      return z.array(z.tuple([TaskListNodeSchema, z.union([TaskListNodeSchema])])).min(1);
+    },
+  });
+  type TaskListNodeSchema = z.infer<typeof TaskListNodeSchema>;
+  type _TaskListNodeSchema = {
+    type: "taskList";
+    content: [_TaskListNodeSchema, _TaskListNodeSchema][];
+  };
+  expectTypeOf<TaskListNodeSchema>().toEqualTypeOf<_TaskListNodeSchema>();
+});
+
+test("recursion compatibility", () => {
+  // array
+  const A = z.object({
+    get array() {
+      return A.array();
+    },
+    get optional() {
+      return A.optional();
+    },
+    get nullable() {
+      return A.nullable();
+    },
+    get nonoptional() {
+      return A.nonoptional();
+    },
+    get readonly() {
+      return A.readonly();
+    },
+    get describe() {
+      return A.describe("A recursive type");
+    },
+    get meta() {
+      return A.meta({ description: "A recursive type" });
+    },
+    get pipe() {
+      return A.pipe(z.any());
+    },
+    get strict() {
+      return A.strict();
+    },
+    get tuple() {
+      return z.tuple([A, A]);
+    },
+    get object() {
+      return z
+        .object({
+          subcategories: A,
+        })
+        .strict()
+        .loose();
+    },
+    get union() {
+      return z.union([A, A]);
+    },
+    get intersection() {
+      return z.intersection(A, A);
+    },
+    get record() {
+      return z.record(z.string(), A);
+    },
+    get map() {
+      return z.map(z.string(), A);
+    },
+    get set() {
+      return z.set(A);
+    },
+    get lazy() {
+      return z.lazy(() => A);
+    },
+    get promise() {
+      return z.promise(A);
+    },
+  });
+});
+
+test("recursive object with .check()", () => {
+  const Category = z
+    .object({
+      id: z.string(),
+      name: z.string(),
+      get subcategories() {
+        return z.array(Category).optional();
+      },
+    })
+    .check((ctx) => {
+      // Check for duplicate IDs among direct subcategories
+      if (ctx.value.subcategories) {
+        const siblingIds = new Set<string>();
+        ctx.value.subcategories.forEach((sub, index) => {
+          if (siblingIds.has(sub.id)) {
+            ctx.issues.push({
+              code: "custom",
+              message: `Duplicate sibling ID found: ${sub.id}`,
+              path: ["subcategories", index, "id"],
+              input: ctx.value,
+            });
+          }
+          siblingIds.add(sub.id);
+        });
+      }
+    });
+
+  // Valid - siblings have unique IDs
+  const validData = {
+    id: "electronics",
+    name: "Electronics",
+    subcategories: [
+      {
+        id: "computers",
+        name: "Computers",
+        subcategories: [
+          { id: "laptops", name: "Laptops" },
+          { id: "desktops", name: "Desktops" },
+        ],
+      },
+      {
+        id: "phones",
+        name: "Phones",
+      },
+    ],
+  };
+
+  // Invalid - duplicate sibling IDs
+  const invalidData = {
+    id: "electronics",
+    name: "Electronics",
+    subcategories: [
+      { id: "computers", name: "Computers" },
+      { id: "phones", name: "Phones" },
+      { id: "computers", name: "Computers Again" }, // Duplicate at index 2
+    ],
+  };
+
+  expect(() => Category.parse(validData)).not.toThrow();
+  expect(() => Category.parse(invalidData)).toThrow();
+});
+
+// biome-ignore lint: sadf
+export type RecursiveA = z.ZodUnion<
+  [
+    z.ZodObject<{
+      a: z.ZodDefault<RecursiveA>;
+      b: z.ZodPrefault<RecursiveA>;
+      c: z.ZodNonOptional<RecursiveA>;
+      d: z.ZodOptional<RecursiveA>;
+      e: z.ZodNullable<RecursiveA>;
+      g: z.ZodReadonly<RecursiveA>;
+      h: z.ZodPipe<RecursiveA, z.ZodString>;
+      i: z.ZodArray<RecursiveA>;
+      j: z.ZodSet<RecursiveA>;
+      k: z.ZodMap<RecursiveA, RecursiveA>;
+      l: z.ZodRecord<z.ZodString, RecursiveA>;
+      m: z.ZodUnion<[RecursiveA, RecursiveA]>;
+      n: z.ZodIntersection<RecursiveA, RecursiveA>;
+      o: z.ZodLazy<RecursiveA>;
+      p: z.ZodPromise<RecursiveA>;
+      q: z.ZodCatch<RecursiveA>;
+      r: z.ZodSuccess<RecursiveA>;
+      s: z.ZodTransform<RecursiveA, string>;
+      t: z.ZodTuple<[RecursiveA, RecursiveA]>;
+      u: z.ZodObject<{
+        a: RecursiveA;
+      }>;
+    }>,
+  ]
+>;
+
+test("recursive type with `id` meta", () => {
+  const AType = z.object({
+    type: z.literal("a"),
+    name: z.string(),
+  });
+
+  const BType = z.object({
+    type: z.literal("b"),
+    name: z.string(),
+  });
+
+  const CType = z.object({
+    type: z.literal("c"),
+    name: z.string(),
+  });
+
+  const Schema = z.object({
+    type: z.literal("special").meta({ description: "Type" }),
+    config: z.object({
+      title: z.string().meta({ description: "Title" }),
+      get elements() {
+        return z.array(z.discriminatedUnion("type", [AType, BType, CType])).meta({
+          id: "SpecialElements",
+          title: "SpecialElements",
+          description: "Array of elements",
+        });
+      },
+    }),
+  });
+
+  Schema.parse({
+    type: "special",
+    config: {
+      title: "Special",
+      elements: [
+        { type: "a", name: "John" },
+        { type: "b", name: "Jane" },
+        { type: "c", name: "Jim" },
+      ],
+    },
+  });
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/refine.test.ts

@@ -0,0 +1,570 @@
+import { describe, expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+describe("basic refinement functionality", () => {
+  test("should create a new schema instance when refining", () => {
+    const obj1 = z.object({
+      first: z.string(),
+      second: z.string(),
+    });
+    const obj2 = obj1.partial().strict();
+    const obj3 = obj2.refine((data) => data.first || data.second, "Either first or second should be filled in.");
+
+    expect(obj1 === (obj2 as any)).toEqual(false);
+    expect(obj2 === (obj3 as any)).toEqual(false);
+  });
+
+  test("should validate according to refinement logic", () => {
+    const schema = z
+      .object({
+        first: z.string(),
+        second: z.string(),
+      })
+      .partial()
+      .strict()
+      .refine((data) => data.first || data.second, "Either first or second should be filled in.");
+
+    // Should fail on empty object
+    expect(() => schema.parse({})).toThrow();
+
+    // Should pass with first property
+    expect(schema.parse({ first: "a" })).toEqual({ first: "a" });
+
+    // Should pass with second property
+    expect(schema.parse({ second: "a" })).toEqual({ second: "a" });
+
+    // Should pass with both properties
+    expect(schema.parse({ first: "a", second: "a" })).toEqual({ first: "a", second: "a" });
+  });
+
+  test("should validate strict mode correctly", () => {
+    const schema = z
+      .object({
+        first: z.string(),
+        second: z.string(),
+      })
+      .partial()
+      .strict();
+
+    // Should throw on extra properties
+    expect(() => schema.parse({ third: "adsf" })).toThrow();
+  });
+});
+
+describe("refinement with custom error messages", () => {
+  test("should use custom error message when validation fails", () => {
+    const validationSchema = z
+      .object({
+        email: z.string().email(),
+        password: z.string(),
+        confirmPassword: z.string(),
+      })
+      .refine((data) => data.password === data.confirmPassword, "Both password and confirmation must match");
+
+    const result = validationSchema.safeParse({
+      email: "aaaa@gmail.com",
+      password: "aaaaaaaa",
+      confirmPassword: "bbbbbbbb",
+    });
+
+    expect(result.success).toEqual(false);
+    if (!result.success) {
+      expect(result.error.issues[0].message).toEqual("Both password and confirmation must match");
+    }
+  });
+});
+
+describe("async refinements", () => {
+  test("should support async refinement functions", async () => {
+    const validationSchema = z
+      .object({
+        email: z.string().email(),
+        password: z.string(),
+        confirmPassword: z.string(),
+      })
+      .refine(
+        (data) => Promise.resolve().then(() => data.password === data.confirmPassword),
+        "Both password and confirmation must match"
+      );
+
+    // Should pass with matching passwords
+    const validData = {
+      email: "aaaa@gmail.com",
+      password: "password",
+      confirmPassword: "password",
+    };
+
+    await expect(validationSchema.parseAsync(validData)).resolves.toEqual(validData);
+
+    // Should fail with non-matching passwords
+    await expect(
+      validationSchema.parseAsync({
+        email: "aaaa@gmail.com",
+        password: "password",
+        confirmPassword: "different",
+      })
+    ).rejects.toThrow();
+  });
+});
+
+describe("early termination options", () => {
+  test("should abort early with continue: false", () => {
+    const schema = z
+      .string()
+      .superRefine((val, ctx) => {
+        if (val.length < 2) {
+          ctx.addIssue({
+            code: "custom",
+            message: "BAD",
+            continue: false,
+          });
+        }
+      })
+      .refine((_) => false);
+
+    const result = schema.safeParse("");
+    expect(result.success).toEqual(false);
+    if (!result.success) {
+      expect(result.error.issues.length).toEqual(1);
+      expect(result.error.issues[0].message).toEqual("BAD");
+    }
+  });
+
+  test("should abort early with fatal: true", () => {
+    const schema = z
+      .string()
+      .superRefine((val, ctx) => {
+        if (val.length < 2) {
+          ctx.addIssue({
+            code: "custom",
+            fatal: true,
+            message: "BAD",
+          });
+        }
+      })
+      .refine((_) => false);
+
+    const result = schema.safeParse("");
+    expect(result.success).toEqual(false);
+    if (!result.success) {
+      expect(result.error.issues.length).toEqual(1);
+      expect(result.error.issues[0].message).toEqual("BAD");
+    }
+  });
+
+  test("should abort early with abort flag", () => {
+    const schema = z
+      .string()
+      .refine((_) => false, { abort: true })
+      .refine((_) => false);
+
+    const result = schema.safeParse("");
+    expect(result.success).toEqual(false);
+    if (!result.success) {
+      expect(result.error.issues.length).toEqual(1);
+    }
+  });
+});
+
+describe("custom error paths", () => {
+  test("should use custom path in error message", () => {
+    const result = z
+      .object({ password: z.string(), confirm: z.string() })
+      .refine((data) => data.confirm === data.password, { path: ["confirm"] })
+      .safeParse({ password: "asdf", confirm: "qewr" });
+
+    expect(result.success).toEqual(false);
+    if (!result.success) {
+      expect(result.error.issues[0].path).toEqual(["confirm"]);
+    }
+  });
+});
+
+describe("superRefine functionality", () => {
+  test("should support multiple validation rules", () => {
+    const Strings = z.array(z.string()).superRefine((val, ctx) => {
+      if (val.length > 3) {
+        ctx.addIssue({
+          input: val,
+          code: "too_big",
+          origin: "array",
+          maximum: 3,
+          inclusive: true,
+          exact: true,
+          message: "Too many items 😡",
+        });
+      }
+
+      if (val.length !== new Set(val).size) {
+        ctx.addIssue({
+          input: val,
+          code: "custom",
+          message: `No duplicates allowed.`,
+        });
+      }
+    });
+
+    // Should fail with too many items and duplicates
+    const result = Strings.safeParse(["asfd", "asfd", "asfd", "asfd"]);
+    expect(result.success).toEqual(false);
+    if (!result.success) {
+      expect(result.error.issues.length).toEqual(2);
+      expect(result.error.issues[0].message).toEqual("Too many items 😡");
+      expect(result.error.issues[1].message).toEqual("No duplicates allowed.");
+    }
+
+    // Should pass with valid input
+    const validArray = ["asfd", "qwer"];
+    expect(Strings.parse(validArray)).toEqual(validArray);
+  });
+
+  test("should support async superRefine", async () => {
+    const Strings = z.array(z.string()).superRefine(async (val, ctx) => {
+      if (val.length > 3) {
+        ctx.addIssue({
+          input: val,
+          code: "too_big",
+          origin: "array",
+          maximum: 3,
+          inclusive: true,
+          message: "Too many items 😡",
+        });
+      }
+
+      if (val.length !== new Set(val).size) {
+        ctx.addIssue({
+          input: val,
+          code: "custom",
+          message: `No duplicates allowed.`,
+        });
+      }
+    });
+
+    // Should fail with too many items and duplicates
+    const result = await Strings.safeParseAsync(["asfd", "asfd", "asfd", "asfd"]);
+    expect(result.success).toEqual(false);
+    if (!result.success) {
+      expect(result.error.issues.length).toEqual(2);
+    }
+
+    // Should pass with valid input
+    const validArray = ["asfd", "qwer"];
+    await expect(Strings.parseAsync(validArray)).resolves.toEqual(validArray);
+  });
+
+  test("should test continuability of custom issues", () => {
+    // Default continue behavior - allows subsequent refinements
+    const defaultContinue = z
+      .string()
+      .superRefine((_, ctx) => {
+        ctx.addIssue({ code: "custom", message: "First issue" });
+      })
+      .refine(() => false, "Second issue");
+
+    expect(defaultContinue.safeParse("test")).toMatchInlineSnapshot(`
+      {
+        "error": [ZodError: [
+        {
+          "code": "custom",
+          "message": "First issue",
+          "path": []
+        },
+        {
+          "code": "custom",
+          "path": [],
+          "message": "Second issue"
+        }
+      ]],
+        "success": false,
+      }
+    `);
+
+    // Explicit continue: false - prevents subsequent refinements
+    const explicitContinueFalse = z
+      .string()
+      .superRefine((_, ctx) => {
+        ctx.addIssue({ code: "custom", message: "First issue", continue: false });
+      })
+      .refine(() => false, "Second issue");
+
+    expect(explicitContinueFalse.safeParse("test")).toMatchInlineSnapshot(`
+      {
+        "error": [ZodError: [
+        {
+          "code": "custom",
+          "message": "First issue",
+          "path": []
+        }
+      ]],
+        "success": false,
+      }
+    `);
+
+    // Multiple issues in same refinement - both always added regardless of continue
+    const multipleInSame = z.string().superRefine((_, ctx) => {
+      ctx.addIssue({ code: "custom", message: "First", continue: false });
+      ctx.addIssue({ code: "custom", message: "Second" });
+    });
+
+    expect(multipleInSame.safeParse("test")).toMatchInlineSnapshot(`
+      {
+        "error": [ZodError: [
+        {
+          "code": "custom",
+          "message": "First",
+          "path": []
+        },
+        {
+          "code": "custom",
+          "message": "Second",
+          "path": []
+        }
+      ]],
+        "success": false,
+      }
+    `);
+  });
+
+  test("should accept string as shorthand for custom error message", () => {
+    const schema = z.string().superRefine((_, ctx) => {
+      ctx.addIssue("bad stuff");
+    });
+
+    const result = schema.safeParse("asdf");
+    expect(result.success).toEqual(false);
+    if (!result.success) {
+      expect(result.error.issues).toHaveLength(1);
+      expect(result.error.issues[0].message).toEqual("bad stuff");
+    }
+  });
+
+  test("should respect fatal flag in superRefine", () => {
+    const schema = z
+      .string()
+      .superRefine((val, ctx) => {
+        if (val === "") {
+          ctx.addIssue({
+            input: val,
+            code: "custom",
+            message: "foo",
+            fatal: true,
+          });
+        }
+      })
+      .superRefine((val, ctx) => {
+        if (val !== " ") {
+          ctx.addIssue({
+            input: val,
+            code: "custom",
+            message: "bar",
+          });
+        }
+      });
+
+    const result = schema.safeParse("");
+    expect(result.success).toEqual(false);
+    if (!result.success) {
+      expect(result.error.issues.length).toEqual(1);
+      expect(result.error.issues[0].message).toEqual("foo");
+    }
+  });
+});
+
+describe("chained refinements", () => {
+  test("should collect all validation errors when appropriate", () => {
+    const objectSchema = z
+      .object({
+        length: z.number(),
+        size: z.number(),
+      })
+      .refine(({ length }) => length > 5, {
+        path: ["length"],
+        message: "length greater than 5",
+      })
+      .refine(({ size }) => size > 7, {
+        path: ["size"],
+        message: "size greater than 7",
+      });
+
+    // Should fail with one error
+    const r1 = objectSchema.safeParse({
+      length: 4,
+      size: 9,
+    });
+    expect(r1.success).toEqual(false);
+    if (!r1.success) {
+      expect(r1.error.issues.length).toEqual(1);
+      expect(r1.error.issues[0].path).toEqual(["length"]);
+    }
+
+    // Should fail with two errors
+    const r2 = objectSchema.safeParse({
+      length: 4,
+      size: 3,
+    });
+    expect(r2.success).toEqual(false);
+    if (!r2.success) {
+      expect(r2.error.issues.length).toEqual(2);
+    }
+
+    // Should pass with valid input
+    const validData = {
+      length: 6,
+      size: 8,
+    };
+    expect(objectSchema.parse(validData)).toEqual(validData);
+  });
+});
+
+describe("type refinement with type guards", () => {
+  test("type guard narrows output type", () => {
+    const schema = z.string().refine((s): s is "a" => s === "a");
+
+    expectTypeOf<z.input<typeof schema>>().toEqualTypeOf<string>();
+    expectTypeOf<z.output<typeof schema>>().toEqualTypeOf<"a">();
+  });
+
+  test("non-type-guard refine does not narrow", () => {
+    const schema = z.string().refine((s) => s.length > 0);
+
+    expectTypeOf<z.input<typeof schema>>().toEqualTypeOf<string>();
+    expectTypeOf<z.output<typeof schema>>().toEqualTypeOf<string>();
+  });
+
+  // TODO: Implement type narrowing for superRefine
+  // test("superRefine - type narrowing", () => {
+  //   type NarrowType = { type: string; age: number };
+  //   const schema = z
+  //     .object({
+  //       type: z.string(),
+  //       age: z.number(),
+  //     })
+  //     .nullable()
+  //     .superRefine((arg, ctx): arg is NarrowType => {
+  //       if (!arg) {
+  //         ctx.addIssue({
+  //           input: arg,
+  //           code: "custom",
+  //           message: "cannot be null",
+  //           fatal: true,
+  //         });
+  //         return false;
+  //       }
+  //       return true;
+  //     });
+  //
+  //   expectTypeOf<z.infer<typeof schema>>().toEqualTypeOf<NarrowType>();
+  //
+  //   expect(schema.safeParse({ type: "test", age: 0 }).success).toEqual(true);
+  //   expect(schema.safeParse(null).success).toEqual(false);
+  // });
+});
+
+test("when", () => {
+  const schema = z
+    .strictObject({
+      password: z.string().min(8),
+      confirmPassword: z.string(),
+      other: z.string(),
+    })
+    .refine(
+      (data) => {
+        // console.log("running check...");
+        // console.log(data);
+        // console.log(data.password);
+        return data.password === data.confirmPassword;
+      },
+      {
+        message: "Passwords do not match",
+        path: ["confirmPassword"],
+        when(payload) {
+          if (payload.value === undefined) return false;
+          if (payload.value === null) return false;
+          // no issues with confirmPassword or password
+          return payload.issues.every((iss) => iss.path?.[0] !== "confirmPassword" && iss.path?.[0] !== "password");
+        },
+      }
+    );
+
+  expect(schema.safeParse(undefined)).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "object",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected object, received undefined"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(schema.safeParse(null)).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "expected": "object",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected object, received null"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(
+    schema.safeParse({
+      password: "asdf",
+      confirmPassword: "asdfg",
+      other: "qwer",
+    })
+  ).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "origin": "string",
+        "code": "too_small",
+        "minimum": 8,
+        "inclusive": true,
+        "path": [
+          "password"
+        ],
+        "message": "Too small: expected string to have >=8 characters"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  expect(
+    schema.safeParse({
+      password: "asdf",
+      confirmPassword: "asdfg",
+      other: 1234,
+    })
+  ).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "origin": "string",
+        "code": "too_small",
+        "minimum": 8,
+        "inclusive": true,
+        "path": [
+          "password"
+        ],
+        "message": "Too small: expected string to have >=8 characters"
+      },
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [
+          "other"
+        ],
+        "message": "Invalid input: expected string, received number"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/registries.test.ts

@@ -0,0 +1,243 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+test("globalRegistry", () => {
+  const reg = z.registry();
+
+  const a = z.string();
+  reg.add(a);
+  expect(reg.has(a)).toEqual(true);
+
+  reg.remove(a);
+  expect(reg.has(a)).toEqual(false);
+
+  a.register(z.globalRegistry, { field: "sup" });
+  expect(z.globalRegistry.has(a)).toEqual(true);
+  expect(z.globalRegistry.get(a)).toEqual({ field: "sup" });
+
+  z.globalRegistry.remove(a);
+  expect(z.globalRegistry.has(a)).toEqual(false);
+});
+
+test("globalRegistry is singleton and attached to globalThis", () => {
+  expect(z.globalRegistry).toBe((globalThis as any).__zod_globalRegistry);
+});
+
+test("z.registry", () => {
+  const fieldRegistry = z.registry<{ name: string; description: string }>();
+
+  const a = z.string();
+  fieldRegistry.add(a, { name: "hello", description: "world" });
+  const a_meta = fieldRegistry.get(a);
+  expect(a_meta).toEqual({ name: "hello", description: "world" });
+
+  fieldRegistry.remove(a);
+  expect(fieldRegistry.has(a)).toEqual(false);
+  expect(fieldRegistry.get(a)).toEqual(undefined);
+});
+
+test("z.registry no metadata", () => {
+  const fieldRegistry = z.registry();
+
+  const a = z.string();
+  fieldRegistry.add(a);
+  fieldRegistry.add(z.number());
+  expect(fieldRegistry.get(a)).toEqual(undefined);
+  expect(fieldRegistry.has(a)).toEqual(true);
+});
+
+test("z.registry with schema constraints", () => {
+  const fieldRegistry = z.registry<{ name: string; description: string }, z.ZodString>();
+
+  const a = z.string();
+  fieldRegistry.add(a, { name: "hello", description: "world" });
+  // @ts-expect-error
+  fieldRegistry.add(z.number(), { name: "test" });
+  // @ts-expect-error
+  z.number().register(fieldRegistry, { name: "test", description: "test" });
+});
+
+// test("z.namedRegistry", () => {
+//   const namedReg = z
+//     .namedRegistry<{ name: string; description: string }>()
+//     .add(z.string(), { name: "hello", description: "world" })
+//     .add(z.number(), { name: "number", description: "number" });
+
+//   expect(namedReg.get("hello")).toEqual({
+//     name: "hello",
+//     description: "world",
+//   });
+//   expect(namedReg.has("hello")).toEqual(true);
+//   expect(namedReg.get("number")).toEqual({
+//     name: "number",
+//     description: "number",
+//   });
+
+//   // @ts-expect-error
+//   namedReg.get("world");
+//   // @ts-expect-error
+//   expect(namedReg.get("world")).toEqual(undefined);
+
+//   const hello = namedReg.get("hello");
+//   expect(hello).toEqual({ name: "hello", description: "world" });
+//   expectTypeOf<typeof hello>().toEqualTypeOf<{
+//     name: "hello";
+//     description: "world";
+//   }>();
+//   expectTypeOf<typeof namedReg.items>().toEqualTypeOf<{
+//     hello: { name: "hello"; description: "world" };
+//     number: { name: "number"; description: "number" };
+//   }>();
+// });
+
+test("output type in registry meta", () => {
+  const reg = z.registry<{ out: z.$output }>();
+  const a = z.string();
+  reg.add(a, { out: "asdf" });
+  // @ts-expect-error
+  reg.add(a, 1234);
+  expectTypeOf(reg.get(a)).toEqualTypeOf<{ out: string } | undefined>();
+});
+
+test("output type in registry meta - objects and arrays", () => {
+  const reg = z.registry<{ name: string; examples: z.$output[] }>();
+  const a = z.string();
+  reg.add(a, { name: "hello", examples: ["world"] });
+
+  // @ts-expect-error
+  reg.add(a, { name: "hello", examples: "world" });
+  expectTypeOf(reg.get(a)).toEqualTypeOf<{ name: string; examples: string[] } | undefined>();
+});
+
+test("input type in registry meta", () => {
+  const reg = z.registry<{ in: z.$input }>();
+  const a = z.pipe(z.number(), z.transform(String));
+  reg.add(a, { in: 1234 });
+  // @ts-expect-error
+  reg.add(a, "1234");
+  expectTypeOf(reg.get(a)).toEqualTypeOf<{ in: number } | undefined>();
+});
+
+test("input type in registry meta - objects and arrays", () => {
+  const reg = z.registry<{ name: string; examples: z.$input[] }>();
+  const a = z.pipe(z.number(), z.transform(String));
+  reg.add(a, { name: "hello", examples: [1234] });
+
+  // @ts-expect-error
+  reg.add(a, { name: "hello", examples: "world" });
+  expectTypeOf(reg.get(a)).toEqualTypeOf<{ name: string; examples: number[] } | undefined>();
+});
+
+test(".meta method", () => {
+  const a1 = z.string();
+  const a2 = a1.meta({ name: "hello" });
+
+  expect(a1.meta()).toEqual(undefined);
+  expect(a2.meta()).toEqual({ name: "hello" });
+  expect(a1 === a2).toEqual(false);
+});
+
+test(".meta metadata does not bubble up", () => {
+  const a1 = z.string().meta({ name: "hello" });
+  const a2 = a1.optional();
+
+  expect(a1.meta()).toEqual({ name: "hello" });
+  expect(a2.meta()).toEqual(undefined);
+});
+
+test(".describe", () => {
+  const a1 = z.string();
+  const a2 = a1.describe("Hello");
+
+  expect(a1.description).toEqual(undefined);
+  expect(a2.description).toEqual("Hello");
+});
+
+test("inherit across clone", () => {
+  const A = z.string().meta({ a: true });
+  expect(A.meta()).toEqual({ a: true });
+  const B = A.meta({ b: true });
+  expect(B.meta()).toEqual({ a: true, b: true });
+  const C = B.describe("hello");
+  expect(C.meta()).toEqual({ a: true, b: true, description: "hello" });
+});
+
+test("loose examples", () => {
+  z.string().register(z.globalRegistry, {
+    examples: ["example"],
+  });
+});
+
+test("function meta without replacement", () => {
+  const myReg = z.registry<{
+    defaulter: (arg: string, test: boolean) => number;
+  }>();
+
+  const mySchema = z.date();
+  myReg.add(mySchema, {
+    defaulter: (arg, _test) => {
+      return arg.length;
+    },
+  });
+
+  expect(myReg.get(mySchema)!.defaulter("hello", true)).toEqual(5);
+});
+
+test("function meta with replacement", () => {
+  const myReg = z.registry<{
+    defaulter: (arg: z.$input, test: boolean) => z.$output;
+  }>();
+
+  const mySchema = z.string().transform((val) => val.length);
+  myReg.add(mySchema, {
+    defaulter: (arg, _test) => {
+      return arg.length;
+    },
+  });
+
+  expect(myReg.get(mySchema)!.defaulter("hello", true)).toEqual(5);
+});
+
+test("test .clear()", () => {
+  const reg = z.registry();
+  const a = z.string();
+  reg.add(a);
+  expect(reg.has(a)).toEqual(true);
+  reg.clear();
+  expect(reg.has(a)).toEqual(false);
+});
+
+test("re-registering same id silently overwrites", () => {
+  const reg = z.registry<z.core.GlobalMeta>();
+  const a = z.string();
+  const b = z.number();
+
+  reg.add(a, { id: "shared-id" });
+  reg.add(b, { id: "shared-id" });
+
+  // No error thrown, b now owns the id
+  expect(reg._idmap.get("shared-id")).toBe(b);
+});
+
+test("toJSONSchema throws on duplicate id across different schemas", () => {
+  const reg = z.registry<z.core.GlobalMeta>();
+  const a = z.string().register(reg, { id: "duplicate-id" });
+  const b = z.number().register(reg, { id: "duplicate-id" });
+
+  const wrapper = z.object({ a, b });
+
+  expect(() => z.toJSONSchema(wrapper, { metadata: reg })).toThrow(
+    'Duplicate schema id "duplicate-id" detected during JSON Schema conversion. Two different schemas cannot share the same id when converted together.'
+  );
+});
+
+test("toJSONSchema allows same schema with same id", () => {
+  const reg = z.registry<z.core.GlobalMeta>();
+  const shared = z.string().register(reg, { id: "shared-id" });
+
+  const wrapper = z.object({ a: shared, b: shared });
+
+  // Should not throw - same schema instance used twice
+  const result = z.toJSONSchema(wrapper, { metadata: reg });
+  expect(result.$defs?.["shared-id"]).toBeDefined();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/set.test.ts

@@ -0,0 +1,181 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+const stringSet = z.set(z.string());
+type stringSet = z.infer<typeof stringSet>;
+
+const minTwo = z.set(z.string()).min(2);
+const maxTwo = z.set(z.string()).max(2);
+const justTwo = z.set(z.string()).size(2);
+const nonEmpty = z.set(z.string()).nonempty();
+const nonEmptyMax = z.set(z.string()).nonempty().max(2);
+
+test("type inference", () => {
+  expectTypeOf<stringSet>().toEqualTypeOf<Set<string>>();
+});
+
+test("valid parse", () => {
+  const result = stringSet.safeParse(new Set(["first", "second"]));
+  expect(result.success).toEqual(true);
+  expect(result.data!.has("first")).toEqual(true);
+  expect(result.data!.has("second")).toEqual(true);
+  expect(result.data!.has("third")).toEqual(false);
+
+  expect(() => {
+    minTwo.parse(new Set(["a", "b"]));
+    minTwo.parse(new Set(["a", "b", "c"]));
+    maxTwo.parse(new Set(["a", "b"]));
+    maxTwo.parse(new Set(["a"]));
+    justTwo.parse(new Set(["a", "b"]));
+    nonEmpty.parse(new Set(["a"]));
+    nonEmptyMax.parse(new Set(["a"]));
+  }).not.toThrow();
+});
+
+test("valid parse async", async () => {
+  const result = await stringSet.spa(new Set(["first", "second"]));
+  expect(result.success).toEqual(true);
+  expect(result.data!.has("first")).toEqual(true);
+  expect(result.data!.has("second")).toEqual(true);
+  expect(result.data!.has("third")).toEqual(false);
+
+  const asyncResult = stringSet.safeParse(new Set(["first", "second"]));
+  expect(asyncResult.success).toEqual(true);
+  expect(asyncResult.data!.has("first")).toEqual(true);
+  expect(asyncResult.data!.has("second")).toEqual(true);
+  expect(asyncResult.data!.has("third")).toEqual(false);
+});
+
+test("valid parse: size-related methods", () => {
+  expect(() => {
+    minTwo.parse(new Set(["a", "b"]));
+    minTwo.parse(new Set(["a", "b", "c"]));
+    maxTwo.parse(new Set(["a", "b"]));
+    maxTwo.parse(new Set(["a"]));
+    justTwo.parse(new Set(["a", "b"]));
+    nonEmpty.parse(new Set(["a"]));
+    nonEmptyMax.parse(new Set(["a"]));
+  }).not.toThrow();
+
+  const sizeZeroResult = stringSet.parse(new Set());
+  expect(sizeZeroResult.size).toBe(0);
+
+  const sizeTwoResult = minTwo.parse(new Set(["a", "b"]));
+  expect(sizeTwoResult.size).toBe(2);
+});
+
+test("failing when parsing empty set in nonempty ", () => {
+  const result = nonEmpty.safeParse(new Set());
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues.length).toEqual(1);
+  expect(result.error!.issues[0].code).toEqual("too_small");
+});
+
+test("failing when set is smaller than min() ", () => {
+  const result = minTwo.safeParse(new Set(["just_one"]));
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues.length).toEqual(1);
+  expect(result.error!.issues[0].code).toEqual("too_small");
+});
+
+test("failing when set is bigger than max() ", () => {
+  const result = maxTwo.safeParse(new Set(["one", "two", "three"]));
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues.length).toEqual(1);
+  expect(result.error!.issues[0].code).toEqual("too_big");
+});
+
+test("doesn’t throw when an empty set is given", () => {
+  const result = stringSet.safeParse(new Set([]));
+  expect(result.success).toEqual(true);
+});
+
+test("throws when a Map is given", () => {
+  const result = stringSet.safeParse(new Map([]));
+  expect(result.success).toEqual(false);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "set",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected set, received Map"
+      }
+    ]]
+  `);
+});
+
+test("throws when the given set has invalid input", () => {
+  const result = stringSet.safeParse(new Set([Symbol()]));
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues.length).toEqual(1);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected string, received symbol"
+      }
+    ]]
+  `);
+});
+
+test("throws when the given set has multiple invalid entries", () => {
+  const result = stringSet.safeParse(new Set([1, 2] as any[]));
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues.length).toEqual(2);
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected string, received number"
+      },
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected string, received number"
+      }
+    ]]
+  `);
+});
+
+test("min/max", async () => {
+  const schema = z.set(z.string()).min(4).max(5);
+
+  const r1 = schema.safeParse(new Set(["a", "b", "c", "d"]));
+  expect(r1.success).toEqual(true);
+
+  const r2 = schema.safeParse(new Set(["a", "b", "c"]));
+  expect(r2.success).toEqual(false);
+  expect(r2.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_small",
+        "inclusive": true,
+        "message": "Too small: expected set to have >=4 items",
+        "minimum": 4,
+        "origin": "set",
+        "path": [],
+      },
+    ]
+  `);
+
+  const r3 = schema.safeParse(new Set(["a", "b", "c", "d", "e", "f"]));
+  expect(r3.success).toEqual(false);
+  expect(r3.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_big",
+        "inclusive": true,
+        "maximum": 5,
+        "message": "Too big: expected set to have <=5 items",
+        "origin": "set",
+        "path": [],
+      },
+    ]
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/standard-schema.test.ts

@@ -0,0 +1,134 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("length checks", async () => {
+  const schema = z.string();
+  const result = await schema["~standard"].validate(12);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "issues": [
+        {
+          "code": "invalid_type",
+          "expected": "string",
+          "message": "Invalid input: expected string, received number",
+          "path": [],
+        },
+      ],
+    }
+  `);
+});
+
+test("length checks", async () => {
+  const schema = z.string();
+  const result = await schema["~standard"].validate("asdf");
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "value": "asdf",
+    }
+  `);
+});
+
+test("length checks", async () => {
+  const schema = z.string().refine(async (val) => val.length > 5);
+  const result = await schema["~standard"].validate(12);
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "issues": [
+        {
+          "code": "invalid_type",
+          "expected": "string",
+          "message": "Invalid input: expected string, received number",
+          "path": [],
+        },
+      ],
+    }
+  `);
+});
+
+test("length checks", async () => {
+  const schema = z.string().refine(async (val) => val.length > 5);
+  const result = await schema["~standard"].validate("234134134");
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "value": "234134134",
+    }
+  `);
+});
+
+test("schemas conform to StandardJSONSchemaV1", async () => {
+  const schema = z.codec(z.string(), z.number(), {
+    decode: (str) => Number.parseFloat(str),
+    encode: (num) => num.toString(),
+  });
+  expect(schema["~standard"].validate).toBeTypeOf("function");
+  expect(await schema["~standard"].validate("42")).toMatchInlineSnapshot(`
+		{
+		  "value": 42,
+		}
+	`);
+  expect(schema["~standard"].jsonSchema.input({ target: "draft-2020-12" })).toMatchInlineSnapshot(`
+		{
+		  "$schema": "https://json-schema.org/draft/2020-12/schema",
+		  "type": "string",
+		}
+	`);
+  expect(schema["~standard"].jsonSchema.output({ target: "draft-2020-12" })).toMatchInlineSnapshot(`
+		{
+		  "$schema": "https://json-schema.org/draft/2020-12/schema",
+		  "type": "number",
+		}
+	`);
+});
+
+test(".toJSONSchema() returns StandardJSONSchemaV1", async () => {
+  const codec = z.codec(z.string(), z.number(), {
+    decode: (str) => Number.parseFloat(str),
+    encode: (num) => num.toString(),
+  });
+  const result = codec.toJSONSchema();
+  expect(result["~standard"].validate).toBeTypeOf("function");
+  expect(await result["~standard"].validate("42")).toMatchInlineSnapshot(`
+		{
+		  "value": 42,
+		}
+	`);
+  expect(result["~standard"].jsonSchema.input({ target: "draft-2020-12" })).toMatchInlineSnapshot(`
+		{
+		  "$schema": "https://json-schema.org/draft/2020-12/schema",
+		  "type": "string",
+		}
+	`);
+  expect(result["~standard"].jsonSchema.output({ target: "draft-2020-12" })).toMatchInlineSnapshot(`
+		{
+		  "$schema": "https://json-schema.org/draft/2020-12/schema",
+		  "type": "number",
+		}
+	`);
+});
+
+test("z.toJSONSchema() returns StandardJSONSchemaV1", async () => {
+  const codec = z.codec(z.string(), z.number(), {
+    decode: (str) => Number.parseFloat(str),
+    encode: (num) => num.toString(),
+  });
+  const result = z.toJSONSchema(codec);
+  expect(result["~standard"].validate).toBeTypeOf("function");
+  expect(await result["~standard"].validate("42")).toMatchInlineSnapshot(`
+		{
+		  "value": 42,
+		}
+	`);
+  expect(result["~standard"].jsonSchema.input({ target: "draft-2020-12" })).toMatchInlineSnapshot(`
+		{
+		  "$schema": "https://json-schema.org/draft/2020-12/schema",
+		  "type": "string",
+		}
+	`);
+  expect(result["~standard"].jsonSchema.output({ target: "draft-2020-12" })).toMatchInlineSnapshot(`
+		{
+		  "$schema": "https://json-schema.org/draft/2020-12/schema",
+		  "type": "number",
+		}
+	`);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/string-formats.test.ts

@@ -0,0 +1,125 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("string format methods", () => {
+  const a = z.email().min(10);
+  const b = z.email().max(10);
+  const c = z.email().length(10);
+  const d = z.email().uppercase();
+  const e = z.email().lowercase();
+
+  // Positive and negative cases for `a`
+  expect(a.safeParse("longemail@example.com").success).toBe(true); // Positive
+  expect(a.safeParse("ort@e.co").success).toBe(false); // Negative
+
+  // Positive and negative cases for `b`
+  expect(b.safeParse("sho@e.co").success).toBe(true); // Positive
+  expect(b.safeParse("longemail@example.com").success).toBe(false); // Negative
+
+  // Positive and negative cases for `c`
+  expect(c.safeParse("56780@e.co").success).toBe(true); // Positive
+  expect(c.safeParse("shoasdfasdfrt@e.co").success).toBe(false); // Negative
+
+  // Positive and negative cases for `d`
+  expect(d.safeParse("EMAIL@EXAMPLE.COM").success).toBe(true); // Positive
+  expect(d.safeParse("email@example.com").success).toBe(false); // Negative
+
+  // Positive and negative cases for `e`
+  expect(e.safeParse("email@example.com").success).toBe(true); // Positive
+  expect(e.safeParse("EMAIL@EXAMPLE.COM").success).toBe(false); // Negative
+});
+
+test("z.stringFormat", () => {
+  const ccRegex = /^(?:\d{14,19}|\d{4}(?: \d{3,6}){2,4}|\d{4}(?:-\d{3,6}){2,4})$/u;
+
+  const a = z
+    .stringFormat("creditCard", (val) => ccRegex.test(val), {
+      error: `Invalid credit card number`,
+    })
+    .refine((_) => false, "Also bad");
+
+  expect(a.safeParse("asdf")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_format",
+        "format": "creditCard",
+        "path": [],
+        "message": "Invalid credit card number"
+      },
+      {
+        "code": "custom",
+        "path": [],
+        "message": "Also bad"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(a.safeParse("1234-5678-9012-3456")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "Also bad"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(a.def.pattern).toMatchInlineSnapshot(`undefined`);
+
+  const b = z
+    .stringFormat("creditCard", ccRegex, {
+      abort: true,
+      error: `Invalid credit card number`,
+    })
+    .refine((_) => false, "Also bad");
+
+  expect(b.safeParse("asdf")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_format",
+        "format": "creditCard",
+        "path": [],
+        "message": "Invalid credit card number"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(b.safeParse("1234-5678-9012-3456")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "Also bad"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(b.def.pattern).toMatchInlineSnapshot(
+    `/\\^\\(\\?:\\\\d\\{14,19\\}\\|\\\\d\\{4\\}\\(\\?: \\\\d\\{3,6\\}\\)\\{2,4\\}\\|\\\\d\\{4\\}\\(\\?:-\\\\d\\{3,6\\}\\)\\{2,4\\}\\)\\$/u`
+  );
+});
+
+test("z.hex", () => {
+  const hexSchema = z.hex();
+
+  // Valid hex strings
+  expect(hexSchema.safeParse("").success).toBe(true); // Empty string is valid hex
+  expect(hexSchema.safeParse("123abc").success).toBe(true);
+  expect(hexSchema.safeParse("DEADBEEF").success).toBe(true);
+  expect(hexSchema.safeParse("0123456789abcdefABCDEF").success).toBe(true);
+
+  // Invalid hex strings
+  expect(hexSchema.safeParse("xyz").success).toBe(false);
+  expect(hexSchema.safeParse("123g").success).toBe(false);
+  expect(hexSchema.safeParse("hello world").success).toBe(false);
+  expect(hexSchema.safeParse("123-abc").success).toBe(false);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/stringbool.test.ts

@@ -0,0 +1,106 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+test("z.stringbool", () => {
+  const a = z.stringbool();
+  type a = z.infer<typeof a>;
+  expectTypeOf<a>().toEqualTypeOf<boolean>();
+  type a_in = z.input<typeof a>;
+  expectTypeOf<a_in>().toEqualTypeOf<string>();
+
+  expect(z.parse(a, "true")).toEqual(true);
+  expect(z.parse(a, "yes")).toEqual(true);
+  expect(z.parse(a, "1")).toEqual(true);
+  expect(z.parse(a, "on")).toEqual(true);
+  expect(z.parse(a, "y")).toEqual(true);
+  expect(z.parse(a, "enabled")).toEqual(true);
+  expect(z.parse(a, "TRUE")).toEqual(true);
+
+  expect(z.parse(a, "false")).toEqual(false);
+  expect(z.parse(a, "no")).toEqual(false);
+  expect(z.parse(a, "0")).toEqual(false);
+  expect(z.parse(a, "off")).toEqual(false);
+  expect(z.parse(a, "n")).toEqual(false);
+  expect(z.parse(a, "disabled")).toEqual(false);
+  expect(z.parse(a, "FALSE")).toEqual(false);
+
+  expect(z.safeParse(a, "other")).toMatchObject({ success: false });
+  expect(z.safeParse(a, "")).toMatchObject({ success: false });
+  expect(z.safeParse(a, undefined)).toMatchObject({ success: false });
+  expect(z.safeParse(a, {})).toMatchObject({ success: false });
+  expect(z.safeParse(a, true)).toMatchObject({ success: false });
+  expect(z.safeParse(a, false)).toMatchObject({ success: false });
+});
+
+test("custom values", () => {
+  const b = z.stringbool({
+    truthy: ["y"],
+    falsy: ["N"],
+  });
+  expect(z.parse(b, "y")).toEqual(true);
+  expect(z.parse(b, "Y")).toEqual(true);
+  expect(z.parse(b, "n")).toEqual(false);
+  expect(z.parse(b, "N")).toEqual(false);
+  expect(z.safeParse(b, "true")).toMatchObject({ success: false });
+  expect(z.safeParse(b, "false")).toMatchObject({ success: false });
+});
+
+test("custom values - case sensitive", () => {
+  const c = z.stringbool({
+    truthy: ["y"],
+    falsy: ["N"],
+    case: "sensitive",
+  });
+  expect(z.parse(c, "y")).toEqual(true);
+  expect(z.safeParse(c, "Y")).toMatchObject({ success: false });
+  expect(z.parse(c, "N")).toEqual(false);
+  expect(z.safeParse(c, "n")).toMatchObject({ success: false });
+  expect(z.safeParse(c, "TRUE")).toMatchObject({ success: false });
+});
+
+// test custom error messages
+test("z.stringbool with custom error messages", () => {
+  const a = z.stringbool("wrong!");
+
+  expect(() => a.parse("")).toThrowError("wrong!");
+});
+
+test("z.stringbool codec encoding", () => {
+  const schema = z.stringbool();
+
+  // Test encoding with default values
+  expect(z.encode(schema, true)).toEqual("true");
+  expect(z.encode(schema, false)).toEqual("false");
+});
+
+test("z.stringbool codec encoding with custom values", () => {
+  const schema = z.stringbool({
+    truthy: ["yes", "on", "1"],
+    falsy: ["no", "off", "0"],
+  });
+
+  // Should return first element of custom arrays
+  expect(z.encode(schema, true)).toEqual("yes");
+  expect(z.encode(schema, false)).toEqual("no");
+});
+
+test("z.stringbool codec round trip", () => {
+  const schema = z.stringbool({
+    truthy: ["enabled", "active"],
+    falsy: ["disabled", "inactive"],
+  });
+
+  // Test round trip: string -> boolean -> string
+  const decoded = z.decode(schema, "enabled");
+  expect(decoded).toEqual(true);
+
+  const encoded = z.encode(schema, decoded);
+  expect(encoded).toEqual("enabled"); // First element of truthy array
+
+  // Test with falsy value
+  const decodedFalse = z.decode(schema, "inactive");
+  expect(decodedFalse).toEqual(false);
+
+  const encodedFalse = z.encode(schema, decodedFalse);
+  expect(encodedFalse).toEqual("disabled"); // First element of falsy array
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/template-literal.test.ts

@@ -0,0 +1,771 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+const empty = z.templateLiteral([]);
+const hello = z.templateLiteral(["hello"]);
+const world = z.templateLiteral(["", z.literal("world")]);
+const one = z.templateLiteral([1]);
+const two = z.templateLiteral(["", z.literal(2)]);
+const onePointOne = z.templateLiteral([z.literal(1.1)]);
+const truee = z.templateLiteral([true]);
+const anotherTrue = z.templateLiteral(["", z.literal(true)]);
+const falsee = z.templateLiteral([false]);
+const anotherFalse = z.templateLiteral(["", z.literal(false)]);
+const nulll = z.templateLiteral([null]);
+const anotherNull = z.templateLiteral(["", z.null()]);
+const undefinedd = z.templateLiteral([undefined]);
+const anotherUndefined = z.templateLiteral(["", z.undefined()]);
+const anyString = z.templateLiteral(["", z.string()]);
+const lazyString = z.templateLiteral(["", z.lazy(() => z.string())]);
+const anyNumber = z.templateLiteral(["", z.number()]);
+const anyInt = z.templateLiteral(["", z.number().int()]);
+// const anyFiniteNumber = z.templateLiteral(["", z.number().finite()]);
+// const anyNegativeNumber = z.templateLiteral(["", z.number().negative()]);
+// const anyPositiveNumber = z.templateLiteral(["", z.number().positive()]);
+// const zeroButInADumbWay = z.templateLiteral(["", z.number().nonnegative().nonpositive()]);
+// const finiteButInADumbWay = z.templateLiteral(["", z.number().min(5).max(10)]);
+const bool = z.templateLiteral(["", z.boolean()]);
+const bigone = z.templateLiteral(["", z.literal(BigInt(1))]);
+const anyBigint = z.templateLiteral(["", z.bigint()]);
+const nullableYo = z.templateLiteral(["", z.nullable(z.literal("yo"))]);
+const nullableString = z.templateLiteral(["", z.nullable(z.string())]);
+const optionalYeah = z.templateLiteral(["", z.literal("yeah").optional()]);
+
+const optionalString = z.templateLiteral(["", z.string().optional()]);
+const optionalNumber = z.templateLiteral(["", z.number().optional()]);
+const nullishBruh = z.templateLiteral(["", z.literal("bruh").nullish()]);
+const nullishString = z.templateLiteral(["", z.string().nullish()]);
+const cuid = z.templateLiteral(["", z.string().cuid()]);
+const cuidZZZ = z.templateLiteral(["", z.string().cuid(), "ZZZ"]);
+const cuid2 = z.templateLiteral(["", z.string().cuid2()]);
+const datetime = z.templateLiteral(["", z.string().datetime()]);
+const email = z.templateLiteral(["", z.string().email()]);
+// const ip = z.templateLiteral(["", z.string().ip()]);
+const ipv4 = z.templateLiteral(["", z.string().ipv4()]);
+const ipv6 = z.templateLiteral(["", z.string().ipv6()]);
+const mac = z.templateLiteral(["", z.mac()]);
+const ulid = z.templateLiteral(["", z.string().ulid()]);
+const uuid = z.templateLiteral(["", z.string().uuid()]);
+const stringAToZ = z.templateLiteral(["", z.string().regex(/^[a-z]+$/)]);
+const stringStartsWith = z.templateLiteral(["", z.string().startsWith("hello")]);
+const stringEndsWith = z.templateLiteral(["", z.string().endsWith("world")]);
+const stringMax5 = z.templateLiteral(["", z.string().max(5)]);
+const stringMin5 = z.templateLiteral(["", z.string().min(5)]);
+const stringLen5 = z.templateLiteral(["", z.string().length(5)]);
+const stringMin5Max10 = z.templateLiteral(["", z.string().min(5).max(10)]);
+const stringStartsWithMax5 = z.templateLiteral(["", z.string().startsWith("hello").max(5)]);
+const brandedString = z.templateLiteral(["", z.string().min(1).brand("myBrand")]);
+// const anything = z.templateLiteral(["", z.any()]);
+
+const url = z.templateLiteral(["https://", z.string().regex(/\w+/), ".", z.enum(["com", "net"])]);
+
+const measurement = z.templateLiteral([
+  "",
+  z.number().finite(),
+  z.enum(["px", "em", "rem", "vh", "vw", "vmin", "vmax"]).optional(),
+]);
+
+const connectionString = z.templateLiteral([
+  "mongodb://",
+  z
+    .templateLiteral([
+      "",
+      z.string().regex(/\w+/).describe("username"),
+      ":",
+      z.string().regex(/\w+/).describe("password"),
+      "@",
+    ])
+    .optional(),
+  z.string().regex(/\w+/).describe("host"),
+  ":",
+  z.number().finite().int().positive().describe("port"),
+  z
+    .templateLiteral([
+      "/",
+      z.string().regex(/\w+/).optional().describe("defaultauthdb"),
+      z
+        .templateLiteral([
+          "?",
+          z
+            .string()
+            .regex(/^\w+=\w+(&\w+=\w+)*$/)
+            .optional()
+            .describe("options"),
+        ])
+        .optional(),
+    ])
+    .optional(),
+]);
+
+test("template literal type inference", () => {
+  expectTypeOf<z.infer<typeof empty>>().toEqualTypeOf<``>();
+  expectTypeOf<z.infer<typeof hello>>().toEqualTypeOf<`hello`>();
+  expectTypeOf<z.infer<typeof world>>().toEqualTypeOf<`world`>();
+  expectTypeOf<z.infer<typeof one>>().toEqualTypeOf<`1`>();
+  expectTypeOf<z.infer<typeof two>>().toEqualTypeOf<`2`>();
+  expectTypeOf<z.infer<typeof truee>>().toEqualTypeOf<`true`>();
+  expectTypeOf<z.infer<typeof anotherTrue>>().toEqualTypeOf<`true`>();
+  expectTypeOf<z.infer<typeof falsee>>().toEqualTypeOf<`false`>();
+  expectTypeOf<z.infer<typeof anotherFalse>>().toEqualTypeOf<`false`>();
+  expectTypeOf<z.infer<typeof nulll>>().toEqualTypeOf<`null`>();
+  expectTypeOf<z.infer<typeof anotherNull>>().toEqualTypeOf<`null`>();
+  expectTypeOf<z.infer<typeof undefinedd>>().toEqualTypeOf<``>();
+  expectTypeOf<z.infer<typeof anotherUndefined>>().toEqualTypeOf<``>();
+  expectTypeOf<z.infer<typeof anyString>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof lazyString>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof anyNumber>>().toEqualTypeOf<`${number}`>();
+  expectTypeOf<z.infer<typeof anyInt>>().toEqualTypeOf<`${number}`>();
+  // expectTypeOf<z.infer<typeof anyFiniteNumber>>().toEqualTypeOf<`${number}`>();
+  // expectTypeOf<z.infer<typeof anyNegativeNumber>>().toEqualTypeOf<`${number}`>();
+  // expectTypeOf<z.infer<typeof anyPositiveNumber>>().toEqualTypeOf<`${number}`>();
+  // expectTypeOf<z.infer<typeof zeroButInADumbWay>>().toEqualTypeOf<`${number}`>();
+  // expectTypeOf<z.infer<typeof finiteButInADumbWay>>().toEqualTypeOf<`${number}`>();
+  expectTypeOf<z.infer<typeof bool>>().toEqualTypeOf<`true` | `false`>();
+  expectTypeOf<z.infer<typeof bigone>>().toEqualTypeOf<`${bigint}`>();
+  expectTypeOf<z.infer<typeof anyBigint>>().toEqualTypeOf<`${bigint}`>();
+  expectTypeOf<z.infer<typeof nullableYo>>().toEqualTypeOf<`yo` | `null`>();
+  expectTypeOf<z.infer<typeof nullableString>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof optionalYeah>>().toEqualTypeOf<`yeah` | ``>();
+  expectTypeOf<z.infer<typeof optionalString>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof optionalNumber>>().toEqualTypeOf<`${number}` | ``>();
+  expectTypeOf<z.infer<typeof nullishBruh>>().toEqualTypeOf<`bruh` | `null` | ``>();
+  expectTypeOf<z.infer<typeof nullishString>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof cuid>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof cuidZZZ>>().toEqualTypeOf<`${string}ZZZ`>();
+  expectTypeOf<z.infer<typeof cuid2>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof datetime>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof email>>().toEqualTypeOf<string>();
+  // expectTypeOf<z.infer<typeof ip>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof ipv4>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof ipv6>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof mac>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof ulid>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof uuid>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof stringAToZ>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof stringStartsWith>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof stringEndsWith>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof stringMax5>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof stringMin5>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof stringLen5>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof stringMin5Max10>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof stringStartsWithMax5>>().toEqualTypeOf<string>();
+  expectTypeOf<z.infer<typeof brandedString>>().toEqualTypeOf<`${string & z.core.$brand<"myBrand">}`>();
+
+  // expectTypeOf<z.infer<typeof anything>>().toEqualTypeOf<`${any}`>();
+
+  expectTypeOf<z.infer<typeof url>>().toEqualTypeOf<`https://${string}.com` | `https://${string}.net`>();
+
+  expectTypeOf<z.infer<typeof measurement>>().toEqualTypeOf<
+    | `${number}`
+    | `${number}px`
+    | `${number}em`
+    | `${number}rem`
+    | `${number}vh`
+    | `${number}vw`
+    | `${number}vmin`
+    | `${number}vmax`
+  >();
+
+  expectTypeOf<z.infer<typeof connectionString>>().toEqualTypeOf<
+    | `mongodb://${string}:${number}`
+    | `mongodb://${string}:${number}/${string}`
+    | `mongodb://${string}:${number}/${string}?${string}`
+    | `mongodb://${string}:${string}@${string}:${number}`
+    | `mongodb://${string}:${string}@${string}:${number}/${string}`
+    | `mongodb://${string}:${string}@${string}:${number}/${string}?${string}`
+  >();
+});
+
+test("template literal unsupported args", () => {
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.object({})])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.array(z.object({}))])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.union([z.object({}), z.string()])])
+  ).toThrow();
+  // @ts-expect-error
+  expect(() => z.templateLiteral([z.date()])).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.custom<object>((_) => true)])
+  ).toThrow();
+  expect(() =>
+    z.templateLiteral([
+      // @ts-expect-error
+      z.discriminatedUnion("discriminator", [z.object({}), z.object({})]),
+    ])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.function()])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.instanceof(class MyClass {})])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.intersection(z.object({}), z.object({}))])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.map(z.string(), z.string())])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.nullable(z.object({}))])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.optional(z.object({}))])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.promise()])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.record(z.unknown())])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.set(z.string())])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.symbol()])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.tuple([z.string()])])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.unknown()])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.void()])
+  ).toThrow();
+
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.never()])
+  ).toThrow();
+  // @ts-expect-error
+  expect(() => z.templateLiteral([z.nan()])).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.pipe(z.string(), z.string())])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.preprocess(() => true, z.boolean())])
+  ).toThrow();
+  expect(() =>
+    // @ts-expect-error
+    z.templateLiteral([z.object({}).brand("brand")])
+  ).toThrow();
+
+  // these constraints aren't enforced but they shouldn't throw
+  z.templateLiteral([z.number().multipleOf(2)]);
+  z.templateLiteral([z.string().emoji()]);
+  z.templateLiteral([z.string().url()]);
+  z.templateLiteral([z.string().url()]);
+  z.templateLiteral([z.string().trim()]);
+  z.templateLiteral([z.string().includes("train")]);
+  z.templateLiteral([z.string().toLowerCase()]);
+  z.templateLiteral([z.string().toUpperCase()]);
+});
+
+test("template literal parsing - success - basic cases", () => {
+  expect(() => z.templateLiteral([]).parse(7)).toThrow();
+
+  empty.parse("");
+  hello.parse("hello");
+  world.parse("world");
+  one.parse("1");
+  two.parse("2");
+  onePointOne.parse("1.1");
+  truee.parse("true");
+  anotherTrue.parse("true");
+  falsee.parse("false");
+  anotherFalse.parse("false");
+  nulll.parse("null");
+  anotherNull.parse("null");
+  undefinedd.parse("undefined");
+  anotherUndefined.parse("undefined");
+  anyString.parse("blahblahblah");
+  anyString.parse("");
+  lazyString.parse("blahblahblah");
+  lazyString.parse("");
+  anyNumber.parse("123");
+  anyNumber.parse("1.23");
+  anyNumber.parse("0");
+  anyNumber.parse("-1.23");
+  anyNumber.parse("-123");
+  // anyNumber.parse("Infinity");
+  // anyNumber.parse("-Infinity");
+  anyInt.parse("123");
+  // anyInt.parse("-123");
+  // anyFiniteNumber.parse("123");
+  // anyFiniteNumber.parse("1.23");
+  // anyFiniteNumber.parse("0");
+  // anyFiniteNumber.parse("-1.23");
+  // anyFiniteNumber.parse("-123");
+  // anyNegativeNumber.parse("-123");
+  // anyNegativeNumber.parse("-1.23");
+  // anyNegativeNumber.parse("-Infinity");
+  // anyPositiveNumber.parse("123");
+  // anyPositiveNumber.parse("1.23");
+  // anyPositiveNumber.parse("Infinity");
+  // zeroButInADumbWay.parse("0");
+  // zeroButInADumbWay.parse("00000");
+  // finiteButInADumbWay.parse("5");
+  // finiteButInADumbWay.parse("10");
+  // finiteButInADumbWay.parse("6.66");
+  bool.parse("true");
+  bool.parse("false");
+  bigone.parse("1");
+  anyBigint.parse("123456");
+  anyBigint.parse("0");
+  // anyBigint.parse("-123456");
+  nullableYo.parse("yo");
+  nullableYo.parse("null");
+  nullableString.parse("abc");
+  nullableString.parse("null");
+  optionalYeah.parse("yeah");
+  optionalYeah.parse("");
+  optionalString.parse("abc");
+  optionalString.parse("");
+  optionalNumber.parse("123");
+  optionalNumber.parse("1.23");
+  optionalNumber.parse("0");
+  optionalNumber.parse("-1.23");
+  optionalNumber.parse("-123");
+  // optionalNumber.parse("Infinity");
+  // optionalNumber.parse("-Infinity");
+  nullishBruh.parse("bruh");
+  nullishBruh.parse("null");
+  nullishBruh.parse("");
+  cuid.parse("cjld2cyuq0000t3rmniod1foy");
+  cuidZZZ.parse("cjld2cyuq0000t3rmniod1foyZZZ");
+  cuid2.parse("tz4a98xxat96iws9zmbrgj3a");
+  datetime.parse(new Date().toISOString());
+  email.parse("info@example.com");
+  // ip.parse("213.174.246.205");
+  // ip.parse("c359:f57c:21e5:39eb:1187:e501:f936:b452");
+  ipv4.parse("213.174.246.205");
+  ipv6.parse("c359:f57c:21e5:39eb:1187:e501:f936:b452");
+  mac.parse("00:1A:2B:3C:4D:5E");
+  ulid.parse("01GW3D2QZJBYB6P1Z1AE997VPW");
+  uuid.parse("808989fd-3a6e-4af2-b607-737323a176f6");
+  stringAToZ.parse("asudgaskhdgashd");
+  stringStartsWith.parse("hello world");
+  stringEndsWith.parse("hello world");
+  stringMax5.parse("hello");
+  stringMin5.parse("hello");
+  stringLen5.parse("hello");
+  stringMin5Max10.parse("hello worl");
+  stringStartsWithMax5.parse("hello");
+  brandedString.parse("branded string");
+});
+
+test("template literal parsing - failure - basic cases", () => {
+  expect(() => empty.parse("a")).toThrow();
+  expect(() => hello.parse("hello!")).toThrow();
+  expect(() => hello.parse("!hello")).toThrow();
+  expect(() => world.parse("world!")).toThrow();
+  expect(() => world.parse("!world")).toThrow();
+  expect(() => one.parse("2")).toThrow();
+  expect(() => one.parse("12")).toThrow();
+  expect(() => one.parse("21")).toThrow();
+  expect(() => onePointOne.parse("1s1")).toThrow();
+  expect(() => two.parse("1")).toThrow();
+  expect(() => two.parse("21")).toThrow();
+  expect(() => two.parse("12")).toThrow();
+  expect(() => truee.parse("false")).toThrow();
+  expect(() => truee.parse("1true")).toThrow();
+  expect(() => truee.parse("true1")).toThrow();
+  expect(() => anotherTrue.parse("false")).toThrow();
+  expect(() => anotherTrue.parse("1true")).toThrow();
+  expect(() => anotherTrue.parse("true1")).toThrow();
+  expect(() => falsee.parse("true")).toThrow();
+  expect(() => falsee.parse("1false")).toThrow();
+  expect(() => falsee.parse("false1")).toThrow();
+  expect(() => anotherFalse.parse("true")).toThrow();
+  expect(() => anotherFalse.parse("1false")).toThrow();
+  expect(() => anotherFalse.parse("false1")).toThrow();
+  expect(() => nulll.parse("123")).toThrow();
+  expect(() => nulll.parse("null1")).toThrow();
+  expect(() => nulll.parse("1null")).toThrow();
+  expect(() => anotherNull.parse("123")).toThrow();
+  expect(() => anotherNull.parse("null1")).toThrow();
+  expect(() => anotherNull.parse("1null")).toThrow();
+  expect(() => undefinedd.parse("123")).toThrow();
+  expect(() => undefinedd.parse("undefined1")).toThrow();
+  expect(() => undefinedd.parse("1undefined")).toThrow();
+  expect(() => anotherUndefined.parse("123")).toThrow();
+  expect(() => anotherUndefined.parse("undefined1")).toThrow();
+  expect(() => anotherUndefined.parse("1undefined")).toThrow();
+  expect(() => anyNumber.parse("2a")).toThrow();
+  expect(() => anyNumber.parse("a2")).toThrow();
+  expect(() => anyNumber.parse("-2a")).toThrow();
+  expect(() => anyNumber.parse("a-2")).toThrow();
+  expect(() => anyNumber.parse("2.5a")).toThrow();
+  expect(() => anyNumber.parse("a2.5")).toThrow();
+  expect(() => anyNumber.parse("Infinitya")).toThrow();
+  expect(() => anyNumber.parse("aInfinity")).toThrow();
+  expect(() => anyNumber.parse("-Infinitya")).toThrow();
+  expect(() => anyNumber.parse("a-Infinity")).toThrow();
+  expect(() => anyNumber.parse("2e5")).toThrow();
+  expect(() => anyNumber.parse("2e-5")).toThrow();
+  expect(() => anyNumber.parse("2e+5")).toThrow();
+  expect(() => anyNumber.parse("-2e5")).toThrow();
+  expect(() => anyNumber.parse("-2e-5")).toThrow();
+  expect(() => anyNumber.parse("-2e+5")).toThrow();
+  expect(() => anyNumber.parse("2.1e5")).toThrow();
+  expect(() => anyNumber.parse("2.1e-5")).toThrow();
+  expect(() => anyNumber.parse("2.1e+5")).toThrow();
+  expect(() => anyNumber.parse("-2.1e5")).toThrow();
+  expect(() => anyNumber.parse("-2.1e-5")).toThrow();
+  expect(() => anyNumber.parse("-2.1e+5")).toThrow();
+  expect(() => anyNumber.parse("-Infinity")).toThrow();
+  expect(() => anyNumber.parse("Infinity")).toThrow();
+  expect(() => anyInt.parse("1.23")).toThrow();
+  expect(() => anyInt.parse("-1.23")).toThrow();
+  expect(() => anyInt.parse("d1")).toThrow();
+  expect(() => anyInt.parse("1d")).toThrow();
+  // expect(() => anyFiniteNumber.parse("Infinity")).toThrow();
+  // expect(() => anyFiniteNumber.parse("-Infinity")).toThrow();
+  // expect(() => anyFiniteNumber.parse("123a")).toThrow();
+  // expect(() => anyFiniteNumber.parse("a123")).toThrow();
+  // expect(() => anyNegativeNumber.parse("0")).toThrow();
+  // expect(() => anyNegativeNumber.parse("1")).toThrow();
+  // expect(() => anyNegativeNumber.parse("Infinity")).toThrow();
+  // expect(() => anyPositiveNumber.parse("0")).toThrow();
+  // expect(() => anyPositiveNumber.parse("-1")).toThrow();
+  // expect(() => anyPositiveNumber.parse("-Infinity")).toThrow();
+  // expect(() => zeroButInADumbWay.parse("1")).toThrow();
+  // expect(() => zeroButInADumbWay.parse("-1")).toThrow();
+  // expect(() => finiteButInADumbWay.parse("Infinity")).toThrow();
+  // expect(() => finiteButInADumbWay.parse("-Infinity")).toThrow();
+  // expect(() => finiteButInADumbWay.parse("-5")).toThrow();
+  // expect(() => finiteButInADumbWay.parse("10a")).toThrow();
+  // expect(() => finiteButInADumbWay.parse("a10")).toThrow();
+  expect(() => bool.parse("123")).toThrow();
+  expect(() => bigone.parse("2")).toThrow();
+  expect(() => bigone.parse("c1")).toThrow();
+  expect(() => anyBigint.parse("1.23")).toThrow();
+  expect(() => anyBigint.parse("-1.23")).toThrow();
+  expect(() => anyBigint.parse("c123")).toThrow();
+  expect(() => nullableYo.parse("yo1")).toThrow();
+  expect(() => nullableYo.parse("1yo")).toThrow();
+  expect(() => nullableYo.parse("null1")).toThrow();
+  expect(() => nullableYo.parse("1null")).toThrow();
+  expect(() => optionalYeah.parse("yeah1")).toThrow();
+  expect(() => optionalYeah.parse("1yeah")).toThrow();
+  expect(() => optionalYeah.parse("undefined")).toThrow();
+  expect(() => optionalNumber.parse("123a")).toThrow();
+  expect(() => optionalNumber.parse("a123")).toThrow();
+  // expect(() => optionalNumber.parse("Infinitya")).toThrow();
+  // expect(() => optionalNumber.parse("aInfinity")).toThrow();
+  expect(() => nullishBruh.parse("bruh1")).toThrow();
+  expect(() => nullishBruh.parse("1bruh")).toThrow();
+  expect(() => nullishBruh.parse("null1")).toThrow();
+  expect(() => nullishBruh.parse("1null")).toThrow();
+  expect(() => nullishBruh.parse("undefined")).toThrow();
+  expect(() => cuid.parse("bjld2cyuq0000t3rmniod1foy")).toThrow();
+  expect(() => cuid.parse("cjld2cyu")).toThrow();
+  expect(() => cuid.parse("cjld2 cyu")).toThrow();
+  expect(() => cuid.parse("cjld2cyuq0000t3rmniod1foy ")).toThrow();
+  expect(() => cuid.parse("1cjld2cyuq0000t3rmniod1foy")).toThrow();
+  expect(() => cuidZZZ.parse("cjld2cyuq0000t3rmniod1foy")).toThrow();
+  expect(() => cuidZZZ.parse("cjld2cyuq0000t3rmniod1foyZZY")).toThrow();
+  expect(() => cuidZZZ.parse("cjld2cyuq0000t3rmniod1foyZZZ1")).toThrow();
+  expect(() => cuidZZZ.parse("1cjld2cyuq0000t3rmniod1foyZZZ")).toThrow();
+  expect(() => cuid2.parse("A9z4a98xxat96iws9zmbrgj3a")).toThrow();
+  expect(() => cuid2.parse("tz4a98xxat96iws9zmbrgj3!")).toThrow();
+  expect(() => datetime.parse("2022-01-01 00:00:00")).toThrow();
+  expect(() => email.parse("info@example.com@")).toThrow();
+  // expect(() => ip.parse("213.174.246:205")).toThrow();
+  // expect(() => ip.parse("c359.f57c:21e5:39eb:1187:e501:f936:b452")).toThrow();
+  expect(() => ipv4.parse("1213.174.246.205")).toThrow();
+  expect(() => ipv4.parse("c359:f57c:21e5:39eb:1187:e501:f936:b452")).toThrow();
+  expect(() => ipv6.parse("c359:f57c:21e5:39eb:1187:e501:f936:b4521")).toThrow();
+  expect(() => ipv6.parse("213.174.246.205")).toThrow();
+  expect(() => mac.parse("00:1A:2B:3C:4D:5E:6A:7B")).toThrow();
+  expect(() => mac.parse("00:1A:2B:3C")).toThrow();
+  expect(() => ulid.parse("01GW3D2QZJBYB6P1Z1AE997VPW!")).toThrow();
+  expect(() => uuid.parse("808989fd-3a6e-4af2-b607-737323a176f6Z")).toThrow();
+  expect(() => uuid.parse("Z808989fd-3a6e-4af2-b607-737323a176f6")).toThrow();
+  expect(() => stringAToZ.parse("asdasdasd1")).toThrow();
+  expect(() => stringAToZ.parse("1asdasdasd")).toThrow();
+  expect(() => stringStartsWith.parse("ahello")).toThrow();
+  expect(() => stringEndsWith.parse("worlda")).toThrow();
+  expect(() => stringMax5.parse("123456")).toThrow();
+  expect(() => stringMin5.parse("1234")).toThrow();
+  expect(() => stringLen5.parse("123456")).toThrow();
+  expect(() => stringLen5.parse("1234")).toThrow();
+  expect(() => stringMin5Max10.parse("1234")).toThrow();
+  expect(() => stringMin5Max10.parse("12345678901")).toThrow();
+
+  // the "startswith" overrides the max length
+  // expect(() => stringStartsWithMax5.parse("hello1")).toThrow();
+  expect(() => stringStartsWithMax5.parse("1hell")).toThrow();
+  expect(() => brandedString.parse("")).toThrow();
+});
+
+test("regexes", () => {
+  expect(empty._zod.pattern.source).toMatchInlineSnapshot(`"^$"`);
+  expect(hello._zod.pattern.source).toMatchInlineSnapshot(`"^hello$"`);
+  expect(world._zod.pattern.source).toMatchInlineSnapshot(`"^(world)$"`);
+  expect(one._zod.pattern.source).toMatchInlineSnapshot(`"^1$"`);
+  expect(two._zod.pattern.source).toMatchInlineSnapshot(`"^(2)$"`);
+  expect(truee._zod.pattern.source).toMatchInlineSnapshot(`"^true$"`);
+  expect(anotherTrue._zod.pattern.source).toMatchInlineSnapshot(`"^(true)$"`);
+  expect(falsee._zod.pattern.source).toMatchInlineSnapshot(`"^false$"`);
+  expect(anotherFalse._zod.pattern.source).toMatchInlineSnapshot(`"^(false)$"`);
+  expect(nulll._zod.pattern.source).toMatchInlineSnapshot(`"^null$"`);
+  expect(anotherNull._zod.pattern.source).toMatchInlineSnapshot(`"^null$"`);
+  expect(undefinedd._zod.pattern.source).toMatchInlineSnapshot(`"^undefined$"`);
+  expect(anotherUndefined._zod.pattern.source).toMatchInlineSnapshot(`"^undefined$"`);
+  expect(anyString._zod.pattern.source).toMatchInlineSnapshot(`"^[\\s\\S]{0,}$"`);
+  expect(lazyString._zod.pattern.source).toMatchInlineSnapshot(`"^[\\s\\S]{0,}$"`);
+  expect(anyNumber._zod.pattern.source).toMatchInlineSnapshot(`"^-?\\d+(?:\\.\\d+)?$"`);
+  expect(anyInt._zod.pattern.source).toMatchInlineSnapshot(`"^-?\\d+$"`);
+  // expect(anyFiniteNumber._zod.pattern.source).toMatchInlineSnapshot(`"^-?\\d+(?:\\.\\d+)?$"`);
+  // expect(anyNegativeNumber._zod.pattern.source).toMatchInlineSnapshot(`"^-?\\d+(?:\\.\\d+)?$"`);
+  // expect(anyPositiveNumber._zod.pattern.source).toMatchInlineSnapshot(`"^-?\\d+(?:\\.\\d+)?$"`);
+  // expect(zeroButInADumbWay._zod.pattern.source).toMatchInlineSnapshot(`"^-?\\d+(?:\\.\\d+)?$"`);
+  // expect(finiteButInADumbWay._zod.pattern.source).toMatchInlineSnapshot(`"^-?\\d+(?:\\.\\d+)?$"`);
+  expect(bool._zod.pattern.source).toMatchInlineSnapshot(`"^(?:true|false)$"`);
+  expect(bigone._zod.pattern.source).toMatchInlineSnapshot(`"^(1)$"`);
+  expect(anyBigint._zod.pattern.source).toMatchInlineSnapshot(`"^-?\\d+n?$"`);
+  expect(nullableYo._zod.pattern.source).toMatchInlineSnapshot(`"^((yo)|null)$"`);
+  expect(nullableString._zod.pattern.source).toMatchInlineSnapshot(`"^([\\s\\S]{0,}|null)$"`);
+  expect(optionalYeah._zod.pattern.source).toMatchInlineSnapshot(`"^((yeah))?$"`);
+  expect(optionalString._zod.pattern.source).toMatchInlineSnapshot(`"^([\\s\\S]{0,})?$"`);
+  expect(optionalNumber._zod.pattern.source).toMatchInlineSnapshot(`"^(-?\\d+(?:\\.\\d+)?)?$"`);
+  expect(nullishBruh._zod.pattern.source).toMatchInlineSnapshot(`"^(((bruh)|null))?$"`);
+  expect(nullishString._zod.pattern.source).toMatchInlineSnapshot(`"^(([\\s\\S]{0,}|null))?$"`);
+  expect(cuid._zod.pattern.source).toMatchInlineSnapshot(`"^[cC][^\\s-]{8,}$"`);
+  expect(cuidZZZ._zod.pattern.source).toMatchInlineSnapshot(`"^[cC][^\\s-]{8,}ZZZ$"`);
+  expect(cuid2._zod.pattern.source).toMatchInlineSnapshot(`"^[0-9a-z]+$"`);
+  expect(datetime._zod.pattern.source).toMatchInlineSnapshot(
+    `"^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z))$"`
+  );
+  expect(email._zod.pattern.source).toMatchInlineSnapshot(
+    `"^(?!\\.)(?!.*\\.\\.)([A-Za-z0-9_'+\\-\\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\\-]*\\.)+[A-Za-z]{2,}$"`
+  );
+  // expect(ip._zod.pattern.source).toMatchInlineSnapshot(
+  //   `"^(^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$)|(^(([a-fA-F0-9]{1,4}:){7}|::([a-fA-F0-9]{1,4}:){0,6}|([a-fA-F0-9]{1,4}:){1}:([a-fA-F0-9]{1,4}:){0,5}|([a-fA-F0-9]{1,4}:){2}:([a-fA-F0-9]{1,4}:){0,4}|([a-fA-F0-9]{1,4}:){3}:([a-fA-F0-9]{1,4}:){0,3}|([a-fA-F0-9]{1,4}:){4}:([a-fA-F0-9]{1,4}:){0,2}|([a-fA-F0-9]{1,4}:){5}:([a-fA-F0-9]{1,4}:){0,1})([a-fA-F0-9]{1,4}|(((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([0-9]{1,2}))\\.){3}((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([0-9]{1,2})))$)$"`
+  // );
+  expect(ipv4._zod.pattern.source).toMatchInlineSnapshot(
+    `"^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$"`
+  );
+  expect(ipv6._zod.pattern.source).toMatchInlineSnapshot(
+    `"^(([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:))$"`
+  );
+  expect(mac._zod.pattern.source).toMatchInlineSnapshot(
+    `"^(?:[0-9A-F]{2}:){5}[0-9A-F]{2}$|^(?:[0-9a-f]{2}:){5}[0-9a-f]{2}$"`
+  );
+  expect(ulid._zod.pattern.source).toMatchInlineSnapshot(`"^[0-9A-HJKMNP-TV-Za-hjkmnp-tv-z]{26}$"`);
+  expect(uuid._zod.pattern.source).toMatchInlineSnapshot(
+    `"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"`
+  );
+  expect(stringAToZ._zod.pattern.source).toMatchInlineSnapshot(`"^[a-z]+$"`);
+  expect(stringStartsWith._zod.pattern.source).toMatchInlineSnapshot(`"^hello.*$"`);
+  expect(stringEndsWith._zod.pattern.source).toMatchInlineSnapshot(`"^.*world$"`);
+  expect(stringMax5._zod.pattern.source).toMatchInlineSnapshot(`"^[\\s\\S]{0,5}$"`);
+  expect(stringMin5._zod.pattern.source).toMatchInlineSnapshot(`"^[\\s\\S]{5,}$"`);
+  expect(stringLen5._zod.pattern.source).toMatchInlineSnapshot(`"^[\\s\\S]{5,5}$"`);
+  expect(stringMin5Max10._zod.pattern.source).toMatchInlineSnapshot(`"^[\\s\\S]{5,10}$"`);
+  expect(brandedString._zod.pattern.source).toMatchInlineSnapshot(`"^[\\s\\S]{1,}$"`);
+  expect(url._zod.pattern.source).toMatchInlineSnapshot(`"^https:\\/\\/\\w+\\.(com|net)$"`);
+  expect(measurement._zod.pattern.source).toMatchInlineSnapshot(`"^-?\\d+(?:\\.\\d+)?((px|em|rem|vh|vw|vmin|vmax))?$"`);
+  expect(connectionString._zod.pattern.source).toMatchInlineSnapshot(
+    `"^mongodb:\\/\\/(\\w+:\\w+@)?\\w+:-?\\d+(\\/(\\w+)?(\\?(\\w+=\\w+(&\\w+=\\w+)*)?)?)?$"`
+  );
+});
+
+test("template literal parsing - success - complex cases", () => {
+  url.parse("https://example.com");
+  url.parse("https://speedtest.net");
+
+  // measurement.parse(1);
+  // measurement.parse(1.1);
+  // measurement.parse(0);
+  // measurement.parse(-1.1);
+  // measurement.parse(-1);
+  measurement.parse("1");
+  measurement.parse("1.1");
+  measurement.parse("0");
+  measurement.parse("-1");
+  measurement.parse("-1.1");
+  measurement.parse("1px");
+  measurement.parse("1.1px");
+  measurement.parse("0px");
+  measurement.parse("-1px");
+  measurement.parse("-1.1px");
+  measurement.parse("1em");
+  measurement.parse("1.1em");
+  measurement.parse("0em");
+  measurement.parse("-1em");
+  measurement.parse("-1.1em");
+  measurement.parse("1rem");
+  measurement.parse("1.1rem");
+  measurement.parse("0rem");
+  measurement.parse("-1rem");
+  measurement.parse("-1.1rem");
+  measurement.parse("1vh");
+  measurement.parse("1.1vh");
+  measurement.parse("0vh");
+  measurement.parse("-1vh");
+  measurement.parse("-1.1vh");
+  measurement.parse("1vw");
+  measurement.parse("1.1vw");
+  measurement.parse("0vw");
+  measurement.parse("-1vw");
+  measurement.parse("-1.1vw");
+  measurement.parse("1vmin");
+  measurement.parse("1.1vmin");
+  measurement.parse("0vmin");
+  measurement.parse("-1vmin");
+  measurement.parse("-1.1vmin");
+  measurement.parse("1vmax");
+  measurement.parse("1.1vmax");
+  measurement.parse("0vmax");
+  measurement.parse("-1vmax");
+  measurement.parse("-1.1vmax");
+
+  connectionString.parse("mongodb://host:1234");
+  connectionString.parse("mongodb://host:1234/");
+  connectionString.parse("mongodb://host:1234/defaultauthdb");
+  connectionString.parse("mongodb://host:1234/defaultauthdb?authSource=admin");
+  connectionString.parse("mongodb://host:1234/defaultauthdb?authSource=admin&connectTimeoutMS=300000");
+  connectionString.parse("mongodb://host:1234/?authSource=admin");
+  connectionString.parse("mongodb://host:1234/?authSource=admin&connectTimeoutMS=300000");
+  connectionString.parse("mongodb://username:password@host:1234");
+  connectionString.parse("mongodb://username:password@host:1234/");
+  connectionString.parse("mongodb://username:password@host:1234/defaultauthdb");
+  connectionString.parse("mongodb://username:password@host:1234/defaultauthdb?authSource=admin");
+  connectionString.parse(
+    "mongodb://username:password@host:1234/defaultauthdb?authSource=admin&connectTimeoutMS=300000"
+  );
+  connectionString.parse("mongodb://username:password@host:1234/?authSource=admin");
+  connectionString.parse("mongodb://username:password@host:1234/?authSource=admin&connectTimeoutMS=300000");
+});
+
+test("template literal parsing - failure - complex cases", () => {
+  expect(() => url.parse("http://example.com")).toThrow();
+  expect(() => url.parse("https://.com")).toThrow();
+  expect(() => url.parse("https://examplecom")).toThrow();
+  expect(() => url.parse("https://example.org")).toThrow();
+  expect(() => url.parse("https://example.net.il")).toThrow();
+
+  expect(() => measurement.parse("1.1.1")).toThrow();
+  expect(() => measurement.parse("Infinity")).toThrow();
+  expect(() => measurement.parse("-Infinity")).toThrow();
+  expect(() => measurement.parse("NaN")).toThrow();
+  expect(() => measurement.parse("1%")).toThrow();
+
+  expect(() => connectionString.parse("mongod://host:1234")).toThrow();
+  expect(() => connectionString.parse("mongodb://:1234")).toThrow();
+  expect(() => connectionString.parse("mongodb://host1234")).toThrow();
+  expect(() => connectionString.parse("mongodb://host:d234")).toThrow();
+  expect(() => connectionString.parse("mongodb://host:12.34")).toThrow();
+  // Note: template literal regex currently allows negative numbers despite .positive() constraint
+  // This is a known limitation where template literals use regex patterns directly
+  // expect(() => connectionString.parse("mongodb://host:-1234")).toThrow();
+  // expect(() => connectionString.parse("mongodb://host:-12.34")).toThrow();
+  expect(() => connectionString.parse("mongodb://host:")).toThrow();
+  expect(() => connectionString.parse("mongodb://:password@host:1234")).toThrow();
+  expect(() => connectionString.parse("mongodb://usernamepassword@host:1234")).toThrow();
+  expect(() => connectionString.parse("mongodb://username:@host:1234")).toThrow();
+  expect(() => connectionString.parse("mongodb://@host:1234")).toThrow();
+  expect(() => connectionString.parse("mongodb://host:1234/defaultauthdb?authSourceadmin")).toThrow();
+  expect(() => connectionString.parse("mongodb://host:1234/?authSourceadmin")).toThrow();
+  expect(() => connectionString.parse("mongodb://host:1234/defaultauthdb?&authSource=admin")).toThrow();
+  expect(() => connectionString.parse("mongodb://host:1234/?&authSource=admin")).toThrow();
+});
+
+test("template literal parsing - failure - issue format", () => {
+  expect(anotherNull.safeParse("1null")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_format",
+        "format": "template_literal",
+        "pattern": "^null$",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(cuidZZZ.safeParse("1cjld2cyuq0000t3rmniod1foyZZZ")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_format",
+        "format": "template_literal",
+        "pattern": "^[cC][^\\\\s-]{8,}ZZZ$",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(stringMin5Max10.safeParse("1234")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_format",
+        "format": "template_literal",
+        "pattern": "^[\\\\s\\\\S]{5,10}$",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+  expect(connectionString.safeParse("mongodb://host:1234/defaultauthdb?authSourceadmin")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_format",
+        "format": "template_literal",
+        "pattern": "^mongodb:\\\\/\\\\/(\\\\w+:\\\\w+@)?\\\\w+:-?\\\\d+(\\\\/(\\\\w+)?(\\\\?(\\\\w+=\\\\w+(&\\\\w+=\\\\w+)*)?)?)?$",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  expect(stringStartsWithMax5.safeParse("1hell")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_format",
+        "format": "template_literal",
+        "pattern": "^hello.*$",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/to-json-schema-methods.test.ts

@@ -0,0 +1,438 @@
+import { describe, expect, test } from "vitest";
+import * as z from "zod/v4";
+
+// Utility functions
+function expectMethodMatch(schema: z.ZodType, params?: z.core.ToJSONSchemaParams): void {
+  const staticResult = z.toJSONSchema(schema, params);
+  const methodResult = schema.toJSONSchema(params);
+  expect(methodResult).toEqual(staticResult);
+}
+
+describe("toJSONSchema method", () => {
+  describe("primitive types", () => {
+    test("string", () => {
+      expectMethodMatch(z.string());
+    });
+
+    test("number", () => {
+      expectMethodMatch(z.number());
+    });
+
+    test("boolean", () => {
+      expectMethodMatch(z.boolean());
+    });
+
+    test("bigint", () => {
+      expectMethodMatch(z.bigint(), { unrepresentable: "any" });
+    });
+
+    test("symbol", () => {
+      expectMethodMatch(z.symbol(), { unrepresentable: "any" });
+    });
+
+    test("null", () => {
+      expectMethodMatch(z.null());
+    });
+
+    test("undefined", () => {
+      expectMethodMatch(z.undefined(), { unrepresentable: "any" });
+    });
+
+    test("void", () => {
+      expectMethodMatch(z.void(), { unrepresentable: "any" });
+    });
+
+    test("never", () => {
+      expectMethodMatch(z.never());
+    });
+
+    test("any", () => {
+      expectMethodMatch(z.any());
+    });
+
+    test("unknown", () => {
+      expectMethodMatch(z.unknown());
+    });
+
+    test("date", () => {
+      expectMethodMatch(z.date(), { unrepresentable: "any" });
+    });
+
+    test("nan", () => {
+      expectMethodMatch(z.nan(), { unrepresentable: "any" });
+    });
+  });
+
+  describe("string formats", () => {
+    test("email", () => {
+      expectMethodMatch(z.email());
+    });
+
+    test("url", () => {
+      expectMethodMatch(z.url());
+    });
+
+    test("uuid", () => {
+      expectMethodMatch(z.uuid());
+    });
+
+    test("datetime", () => {
+      expectMethodMatch(z.iso.datetime());
+    });
+
+    test("date", () => {
+      expectMethodMatch(z.iso.date());
+    });
+
+    test("guid", () => {
+      expectMethodMatch(z.guid());
+    });
+
+    test("cuid", () => {
+      expectMethodMatch(z.cuid());
+    });
+
+    test("cuid2", () => {
+      expectMethodMatch(z.cuid2());
+    });
+
+    test("ulid", () => {
+      expectMethodMatch(z.ulid());
+    });
+
+    test("base64", () => {
+      expectMethodMatch(z.base64());
+    });
+
+    test("ipv4", () => {
+      expectMethodMatch(z.ipv4());
+    });
+
+    test("ipv6", () => {
+      expectMethodMatch(z.ipv6());
+    });
+  });
+
+  describe("string validations", () => {
+    test("min length", () => {
+      expectMethodMatch(z.string().min(5));
+    });
+
+    test("max length", () => {
+      expectMethodMatch(z.string().max(10));
+    });
+
+    test("length", () => {
+      expectMethodMatch(z.string().length(5));
+    });
+
+    test("regex", () => {
+      expectMethodMatch(z.string().regex(/^[A-Z]+$/));
+    });
+
+    test("multiple patterns", () => {
+      expectMethodMatch(
+        z
+          .string()
+          .regex(/^[A-Z]+$/)
+          .regex(/^[0-9]+$/)
+      );
+    });
+
+    test("startsWith", () => {
+      expectMethodMatch(z.string().startsWith("hello"));
+    });
+
+    test("endsWith", () => {
+      expectMethodMatch(z.string().endsWith("world"));
+    });
+
+    test("includes", () => {
+      expectMethodMatch(z.string().includes("test"));
+    });
+  });
+
+  describe("number validations", () => {
+    test("min", () => {
+      expectMethodMatch(z.number().min(5));
+    });
+
+    test("max", () => {
+      expectMethodMatch(z.number().max(10));
+    });
+
+    test("int", () => {
+      expectMethodMatch(z.int());
+    });
+
+    test("positive", () => {
+      expectMethodMatch(z.number().positive());
+    });
+
+    test("negative", () => {
+      expectMethodMatch(z.number().negative());
+    });
+
+    test("multipleOf", () => {
+      expectMethodMatch(z.number().multipleOf(2));
+    });
+
+    test("gte", () => {
+      expectMethodMatch(z.number().gte(5));
+    });
+
+    test("lte", () => {
+      expectMethodMatch(z.number().lte(10));
+    });
+
+    test("gt", () => {
+      expectMethodMatch(z.number().gt(5));
+    });
+
+    test("lt", () => {
+      expectMethodMatch(z.number().lt(10));
+    });
+  });
+
+  describe("literals and enums", () => {
+    test("literal string", () => {
+      expectMethodMatch(z.literal("hello"));
+    });
+
+    test("literal number", () => {
+      expectMethodMatch(z.literal(42));
+    });
+
+    test("literal boolean", () => {
+      expectMethodMatch(z.literal(true));
+    });
+
+    test("literal null", () => {
+      expectMethodMatch(z.literal(null));
+    });
+
+    test("multiple literals", () => {
+      expectMethodMatch(z.literal(["a", "b", "c"]));
+    });
+
+    test("enum", () => {
+      expectMethodMatch(z.enum(["red", "green", "blue"]));
+    });
+
+    test("nativeEnum", () => {
+      enum Colors {
+        Red = "red",
+        Green = "green",
+        Blue = "blue",
+      }
+      expectMethodMatch(z.nativeEnum(Colors));
+    });
+  });
+
+  describe("composite types", () => {
+    test("array", () => {
+      expectMethodMatch(z.array(z.string()));
+    });
+
+    test("array with min", () => {
+      expectMethodMatch(z.array(z.string()).min(2));
+    });
+
+    test("array with max", () => {
+      expectMethodMatch(z.array(z.string()).max(10));
+    });
+
+    test("object", () => {
+      expectMethodMatch(z.object({ name: z.string(), age: z.number() }));
+    });
+
+    test("object with optional", () => {
+      expectMethodMatch(z.object({ name: z.string(), age: z.number().optional() }));
+    });
+
+    test("strict object", () => {
+      expectMethodMatch(z.strictObject({ name: z.string() }));
+    });
+
+    test("loose object", () => {
+      expectMethodMatch(z.looseObject({ name: z.string() }));
+    });
+
+    test("object with catchall", () => {
+      expectMethodMatch(z.object({ name: z.string() }).catchall(z.string()));
+    });
+
+    test("tuple", () => {
+      expectMethodMatch(z.tuple([z.string(), z.number()]));
+    });
+
+    test("tuple with rest", () => {
+      expectMethodMatch(z.tuple([z.string()], z.number()));
+    });
+
+    test("record", () => {
+      expectMethodMatch(z.record(z.string(), z.number()));
+    });
+
+    test("union", () => {
+      expectMethodMatch(z.union([z.string(), z.number()]));
+    });
+
+    test("discriminated union", () => {
+      expectMethodMatch(
+        z.discriminatedUnion("type", [
+          z.object({ type: z.literal("a"), value: z.string() }),
+          z.object({ type: z.literal("b"), value: z.number() }),
+        ])
+      );
+    });
+
+    test("intersection", () => {
+      expectMethodMatch(z.intersection(z.object({ a: z.string() }), z.object({ b: z.number() })));
+    });
+  });
+
+  describe("wrapper types", () => {
+    test("optional", () => {
+      expectMethodMatch(z.string().optional());
+    });
+
+    test("nullable", () => {
+      expectMethodMatch(z.string().nullable());
+    });
+
+    test("nullish", () => {
+      expectMethodMatch(z.string().nullish());
+    });
+
+    test("default", () => {
+      expectMethodMatch(z.string().default("hello"));
+    });
+
+    test("default function", () => {
+      expectMethodMatch(z.string().default(() => "hello"));
+    });
+
+    test("prefault", () => {
+      expectMethodMatch(z.string().prefault("hello"));
+    });
+
+    test("prefault function", () => {
+      expectMethodMatch(z.string().prefault(() => "hello"));
+    });
+
+    test("catch", () => {
+      expectMethodMatch(z.string().catch("hello"));
+    });
+
+    test("readonly", () => {
+      expectMethodMatch(z.string().readonly());
+    });
+
+    test("nonoptional", () => {
+      expectMethodMatch(z.string().optional().nonoptional());
+    });
+  });
+
+  describe("special types", () => {
+    test("lazy", () => {
+      type Node = {
+        value: string;
+        children?: Node[] | undefined;
+      };
+      const Node: z.ZodType<Node> = z.lazy(() =>
+        z.object({
+          value: z.string(),
+          children: z.array(Node).optional(),
+        })
+      ) as z.ZodType<Node>;
+      expectMethodMatch(Node);
+    });
+
+    test("promise", () => {
+      expectMethodMatch(z.promise(z.string()));
+    });
+
+    test("pipe", () => {
+      expectMethodMatch(
+        z
+          .string()
+          .transform((val) => val.length)
+          .pipe(z.number())
+      );
+    });
+
+    test("transform", () => {
+      expectMethodMatch(
+        z.string().transform((val) => val.length),
+        { unrepresentable: "any" }
+      );
+    });
+
+    test("file", () => {
+      expectMethodMatch(z.file());
+    });
+
+    test("file with mime", () => {
+      expectMethodMatch(z.file().mime("image/png"));
+    });
+  });
+
+  describe("parameters", () => {
+    test("target draft-7", () => {
+      expectMethodMatch(z.string(), { target: "draft-7" });
+    });
+
+    test("target draft-4", () => {
+      expectMethodMatch(z.string(), { target: "draft-4" });
+    });
+
+    test("target openapi-3.0", () => {
+      expectMethodMatch(z.string(), { target: "openapi-3.0" });
+    });
+
+    test("io input", () => {
+      expectMethodMatch(z.string().default("hello"), { io: "input" });
+    });
+
+    test("cycles throw", () => {
+      const schema = z.object({
+        name: z.string(),
+        get subcategories() {
+          return z.array(schema);
+        },
+      });
+      // Both should throw the same error
+      expect(() => z.toJSONSchema(schema, { cycles: "throw" })).toThrow();
+      expect(() => schema.toJSONSchema({ cycles: "throw" })).toThrow();
+    });
+
+    test("reused ref", () => {
+      const shared = z.string();
+      const schema = z.object({
+        a: shared,
+        b: shared,
+      });
+      expectMethodMatch(schema, { reused: "ref" });
+    });
+  });
+
+  describe("edge cases with metadata", () => {
+    test("schema with id metadata", () => {
+      const a = z.string().meta({ id: "hi" });
+      expectMethodMatch(a);
+    });
+
+    test("schema with id then additional metadata", () => {
+      const a = z.string().meta({ id: "hi2" });
+      const b = a.meta({ name: "asdf" });
+      expectMethodMatch(b);
+    });
+
+    test("nested schema with id", () => {
+      const inner = z.string().meta({ id: "inner" });
+      const outer = z.object({ value: inner });
+      expectMethodMatch(outer);
+    });
+  });
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/transform.test.ts

@@ -0,0 +1,361 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+test("transform ctx.addIssue with parse", () => {
+  const strs = ["foo", "bar"];
+  const schema = z.string().transform((data, ctx) => {
+    const i = strs.indexOf(data);
+    if (i === -1) {
+      ctx.addIssue({
+        input: data,
+        code: "custom",
+        message: `${data} is not one of our allowed strings`,
+      });
+    }
+    return data.length;
+  });
+  const result = schema.safeParse("asdf");
+  expect(result.success).toEqual(false);
+  expect(result.error!).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "message": "asdf is not one of our allowed strings",
+        "path": []
+      }
+    ]]
+  `);
+});
+
+test("transform ctx.addIssue with parseAsync", async () => {
+  const strs = ["foo", "bar"];
+
+  const result = await z
+    .string()
+    .transform(async (data, ctx) => {
+      const i = strs.indexOf(data);
+      if (i === -1) {
+        ctx.addIssue({
+          input: data,
+          code: "custom",
+          message: `${data} is not one of our allowed strings`,
+        });
+      }
+      return data.length;
+    })
+    .safeParseAsync("asdf");
+
+  expect(result).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "message": "asdf is not one of our allowed strings",
+        "path": []
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("z.NEVER in transform", () => {
+  const foo = z
+    .number()
+    .optional()
+    .transform((val, ctx) => {
+      if (!val) {
+        ctx.addIssue({
+          input: val,
+          code: z.ZodIssueCode.custom,
+          message: "bad",
+        });
+        return z.NEVER;
+      }
+      return val;
+    });
+  type foo = z.infer<typeof foo>;
+  expectTypeOf<foo>().toEqualTypeOf<number>();
+  const arg = foo.safeParse(undefined);
+  if (!arg.success) {
+    expect(arg.error.issues[0].message).toEqual("bad");
+  }
+});
+
+test("basic transformations", () => {
+  const r1 = z
+    .string()
+    .transform((data) => data.length)
+    .parse("asdf");
+  expect(r1).toEqual(4);
+});
+
+test("coercion", () => {
+  const numToString = z.number().transform((n) => String(n));
+  const data = z
+    .object({
+      id: numToString,
+    })
+    .parse({ id: 5 });
+
+  expect(data).toEqual({ id: "5" });
+});
+
+test("async coercion", async () => {
+  const numToString = z.number().transform(async (n) => String(n));
+  const data = await z
+    .object({
+      id: numToString,
+    })
+    .parseAsync({ id: 5 });
+
+  expect(data).toEqual({ id: "5" });
+});
+
+test("sync coercion async error", async () => {
+  const asyncNumberToString = z.number().transform(async (n) => String(n));
+  expect(() =>
+    z
+      .object({
+        id: asyncNumberToString,
+      })
+      .parse({ id: 5 })
+  ).toThrow();
+  // expect(data).toEqual({ id: '5' });
+});
+
+test("default", () => {
+  const data = z.string().default("asdf").parse(undefined); // => "asdf"
+  expect(data).toEqual("asdf");
+});
+
+test("dynamic default", () => {
+  const data = z
+    .string()
+    .default(() => "string")
+    .parse(undefined); // => "asdf"
+  expect(data).toEqual("string");
+});
+
+test("default when property is null or undefined", () => {
+  const data = z
+    .object({
+      foo: z.boolean().nullable().default(true),
+      bar: z.boolean().default(true),
+    })
+    .parse({ foo: null });
+
+  expect(data).toEqual({ foo: null, bar: true });
+});
+
+test("default with falsy values", () => {
+  const schema = z.object({
+    emptyStr: z.string().default("def"),
+    zero: z.number().default(5),
+    falseBoolean: z.boolean().default(true),
+  });
+  const input = { emptyStr: "", zero: 0, falseBoolean: true };
+  const output = schema.parse(input);
+  // defaults are not supposed to be used
+  expect(output).toEqual(input);
+});
+
+test("object typing", () => {
+  const stringToNumber = z.string().transform((arg) => Number.parseFloat(arg));
+
+  const t1 = z.object({
+    stringToNumber,
+  });
+
+  type t1 = z.input<typeof t1>;
+  type t2 = z.output<typeof t1>;
+
+  expectTypeOf<t1>().toEqualTypeOf<{ stringToNumber: string }>();
+  expectTypeOf<t2>().toEqualTypeOf<{ stringToNumber: number }>();
+});
+
+test("transform method overloads", () => {
+  const t1 = z.string().transform((val) => val.toUpperCase());
+  expect(t1.parse("asdf")).toEqual("ASDF");
+
+  const t2 = z.string().transform((val) => val.length);
+  expect(t2.parse("asdf")).toEqual(4);
+});
+
+test("multiple transformers", () => {
+  const stringToNumber = z.string().transform((arg) => Number.parseFloat(arg));
+
+  const doubler = stringToNumber.transform((val) => {
+    return val * 2;
+  });
+  expect(doubler.parse("5")).toEqual(10);
+});
+
+test("short circuit on dirty", () => {
+  const schema = z
+    .string()
+    .refine(() => false)
+    .transform((val) => val.toUpperCase());
+  const result = schema.safeParse("asdf");
+  expect(result.success).toEqual(false);
+
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]]
+  `);
+
+  const result2 = schema.safeParse(1234);
+  expect(result2.success).toEqual(false);
+  if (!result2.success) {
+    expect(result2.error.issues[0].code).toEqual(z.ZodIssueCode.invalid_type);
+  }
+});
+
+test("async short circuit on dirty", async () => {
+  const schema = z
+    .string()
+    .refine(() => false)
+    .transform((val) => val.toUpperCase());
+  const result = await schema.spa("asdf");
+  expect(result.success).toEqual(false);
+
+  expect(result.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "custom",
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]]
+  `);
+
+  const result2 = await schema.spa(1234);
+  expect(result2.success).toEqual(false);
+
+  expect(result2.error).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "string",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected string, received number"
+      }
+    ]]
+  `);
+});
+
+test("do not continue by default", () => {
+  const A = z
+    .string()
+    .transform((val, ctx) => {
+      ctx.addIssue({
+        code: "custom",
+        message: `custom error`,
+      });
+      ctx.addIssue({
+        code: "custom",
+        message: `custom error`,
+      });
+      return val;
+    })
+    .pipe(z.number() as any);
+  expect(A.safeParse("asdf")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "message": "custom error",
+        "path": []
+      },
+      {
+        "code": "custom",
+        "message": "custom error",
+        "path": []
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  const B = z
+    .string()
+    .transform((val, ctx) => {
+      ctx.issues.push({
+        code: "custom",
+        message: `custom error`,
+        input: val,
+      });
+      ctx.issues.push({
+        code: "custom",
+        message: `custom error`,
+        input: val,
+      });
+      return val;
+    })
+    .pipe(z.number() as any);
+  expect(B.safeParse("asdf")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "message": "custom error",
+        "path": []
+      },
+      {
+        "code": "custom",
+        "message": "custom error",
+        "path": []
+      }
+    ]],
+      "success": false,
+    }
+  `);
+
+  const C = z
+    .string()
+    .transform((val, ctx) => {
+      ctx.issues.push({
+        code: "custom",
+        message: `custom error`,
+        input: val,
+        continue: true,
+      });
+      ctx.issues.push({
+        code: "custom",
+        message: `custom error`,
+        input: val,
+        continue: true,
+      });
+      return val;
+    })
+    .pipe(z.number() as any);
+  expect(C.safeParse("asdf")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "message": "custom error",
+        "path": []
+      },
+      {
+        "code": "custom",
+        "message": "custom error",
+        "path": []
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("encode error", () => {
+  const schema = z.string().transform((val) => val.length);
+  expect(() => z.encode(schema, 1234)).toThrowErrorMatchingInlineSnapshot(
+    `[ZodEncodeError: Encountered unidirectional transform during encode: ZodTransform]`
+  );
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/tuple.test.ts

@@ -0,0 +1,183 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+test("successful validation", () => {
+  const testTuple = z.tuple([z.string(), z.number()]);
+  expectTypeOf<typeof testTuple._output>().toEqualTypeOf<[string, number]>();
+
+  const val = testTuple.parse(["asdf", 1234]);
+  expect(val).toEqual(val);
+
+  const r1 = testTuple.safeParse(["asdf", "asdf"]);
+  expect(r1.success).toEqual(false);
+  expect(r1.error!).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "number",
+        "code": "invalid_type",
+        "path": [
+          1
+        ],
+        "message": "Invalid input: expected number, received string"
+      }
+    ]]
+  `);
+
+  const r2 = testTuple.safeParse(["asdf", 1234, true]);
+  expect(r2.success).toEqual(false);
+  expect(r2.error!).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "too_big",
+        "maximum": 2,
+        "inclusive": true,
+        "origin": "array",
+        "path": [],
+        "message": "Too big: expected array to have <=2 items"
+      }
+    ]]
+  `);
+
+  const r3 = testTuple.safeParse({});
+  expect(r3.success).toEqual(false);
+  expect(r3.error!).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "tuple",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected tuple, received object"
+      }
+    ]]
+  `);
+});
+
+test("async validation", async () => {
+  const testTuple = z
+    .tuple([z.string().refine(async () => true), z.number().refine(async () => true)])
+    .refine(async () => true);
+  expectTypeOf<typeof testTuple._output>().toEqualTypeOf<[string, number]>();
+
+  const val = await testTuple.parseAsync(["asdf", 1234]);
+  expect(val).toEqual(val);
+
+  const r1 = await testTuple.safeParseAsync(["asdf", "asdf"]);
+  expect(r1.success).toEqual(false);
+  expect(r1.error!).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "number",
+        "code": "invalid_type",
+        "path": [
+          1
+        ],
+        "message": "Invalid input: expected number, received string"
+      }
+    ]]
+  `);
+
+  const r2 = await testTuple.safeParseAsync(["asdf", 1234, true]);
+  expect(r2.success).toEqual(false);
+  expect(r2.error!).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "too_big",
+        "maximum": 2,
+        "inclusive": true,
+        "origin": "array",
+        "path": [],
+        "message": "Too big: expected array to have <=2 items"
+      }
+    ]]
+  `);
+
+  const r3 = await testTuple.safeParseAsync({});
+  expect(r3.success).toEqual(false);
+  expect(r3.error!).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "expected": "tuple",
+        "code": "invalid_type",
+        "path": [],
+        "message": "Invalid input: expected tuple, received object"
+      }
+    ]]
+  `);
+});
+
+test("tuple with optional elements", () => {
+  const myTuple = z.tuple([z.string(), z.number().optional(), z.string().optional()]).rest(z.boolean());
+  expectTypeOf<typeof myTuple._output>().toEqualTypeOf<[string, number?, string?, ...boolean[]]>();
+
+  const goodData = [["asdf"], ["asdf", 1234], ["asdf", 1234, "asdf"], ["asdf", 1234, "asdf", true, false, true]];
+  for (const data of goodData) {
+    expect(myTuple.parse(data)).toEqual(data);
+  }
+
+  const badData = [
+    ["asdf", "asdf"],
+    ["asdf", 1234, "asdf", "asdf"],
+    ["asdf", 1234, "asdf", true, false, "asdf"],
+  ];
+  for (const data of badData) {
+    expect(() => myTuple.parse(data)).toThrow();
+  }
+});
+
+test("tuple with optional elements followed by required", () => {
+  const myTuple = z.tuple([z.string(), z.number().optional(), z.string()]).rest(z.boolean());
+  expectTypeOf<typeof myTuple._output>().toEqualTypeOf<[string, number | undefined, string, ...boolean[]]>();
+
+  const goodData = [
+    ["asdf", 1234, "asdf"],
+    ["asdf", 1234, "asdf", true, false, true],
+  ];
+  for (const data of goodData) {
+    expect(myTuple.parse(data)).toEqual(data);
+  }
+
+  const badData = [
+    ["asdf"],
+    ["asdf", 1234],
+    ["asdf", 1234, "asdf", "asdf"],
+    ["asdf", 1234, "asdf", true, false, "asdf"],
+  ];
+  for (const data of badData) {
+    expect(() => myTuple.parse(data)).toThrow();
+  }
+});
+
+test("tuple with all optional elements", () => {
+  const allOptionalTuple = z.tuple([z.string().optional(), z.number().optional(), z.boolean().optional()]);
+  expectTypeOf<typeof allOptionalTuple._output>().toEqualTypeOf<[string?, number?, boolean?]>();
+
+  // Empty array should be valid (all items optional)
+  expect(allOptionalTuple.parse([])).toEqual([]);
+
+  // Partial arrays should be valid
+  expect(allOptionalTuple.parse(["hello"])).toEqual(["hello"]);
+  expect(allOptionalTuple.parse(["hello", 42])).toEqual(["hello", 42]);
+
+  // Full array should be valid
+  expect(allOptionalTuple.parse(["hello", 42, true])).toEqual(["hello", 42, true]);
+
+  // Array that's too long should fail
+  expect(() => allOptionalTuple.parse(["hello", 42, true, "extra"])).toThrow();
+});
+
+test("tuple with rest schema", () => {
+  const myTuple = z.tuple([z.string(), z.number()]).rest(z.boolean());
+  expect(myTuple.parse(["asdf", 1234, true, false, true])).toEqual(["asdf", 1234, true, false, true]);
+
+  expect(myTuple.parse(["asdf", 1234])).toEqual(["asdf", 1234]);
+
+  expect(() => myTuple.parse(["asdf", 1234, "asdf"])).toThrow();
+  type t1 = z.output<typeof myTuple>;
+
+  expectTypeOf<t1>().toEqualTypeOf<[string, number, ...boolean[]]>();
+});
+
+test("sparse array input", () => {
+  const schema = z.tuple([z.string(), z.number()]);
+  expect(() => schema.parse(new Array(2))).toThrow();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/union.test.ts

@@ -0,0 +1,219 @@
+import { expect, expectTypeOf, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("function parsing", () => {
+  const schema = z.union([z.string().refine(() => false), z.number().refine(() => false)]);
+  const result = schema.safeParse("asdf");
+  expect(result.success).toEqual(false);
+});
+
+test("union 2", () => {
+  const result = z.union([z.number(), z.string().refine(() => false)]).safeParse("a");
+  expect(result.success).toEqual(false);
+});
+
+test("return valid over invalid", () => {
+  const schema = z.union([
+    z.object({
+      email: z.string().email(),
+    }),
+    z.string(),
+  ]);
+  expect(schema.parse("asdf")).toEqual("asdf");
+  expect(schema.parse({ email: "asdlkjf@lkajsdf.com" })).toEqual({
+    email: "asdlkjf@lkajsdf.com",
+  });
+});
+
+test("return errors from both union arms", () => {
+  const result = z.union([z.number(), z.boolean()]).safeParse("a");
+  expect(result.success).toEqual(false);
+  if (!result.success) {
+    expect(result.error.issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "invalid_union",
+          "errors": [
+            [
+              {
+                "code": "invalid_type",
+                "expected": "number",
+                "message": "Invalid input: expected number, received string",
+                "path": [],
+              },
+            ],
+            [
+              {
+                "code": "invalid_type",
+                "expected": "boolean",
+                "message": "Invalid input: expected boolean, received string",
+                "path": [],
+              },
+            ],
+          ],
+          "message": "Invalid input",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("options getter", async () => {
+  const union = z.union([z.string(), z.number()]);
+  union.options[0].parse("asdf");
+  union.options[1].parse(1234);
+  await union.options[0].parseAsync("asdf");
+  await union.options[1].parseAsync(1234);
+});
+
+test("readonly union", async () => {
+  const options = [z.string(), z.number()] as const;
+  const union = z.union(options);
+  union.parse("asdf");
+  union.parse(12);
+});
+
+test("union inferred types", () => {
+  const test = z.object({}).or(z.array(z.object({})));
+
+  type Test = z.output<typeof test>; // <— any
+  expectTypeOf<Test>().toEqualTypeOf<Record<string, never> | Array<Record<string, never>>>();
+});
+
+test("union values", () => {
+  const schema = z.union([z.literal("a"), z.literal("b"), z.literal("c")]);
+
+  expect(schema._zod.values).toMatchInlineSnapshot(`
+    Set {
+      "a",
+      "b",
+      "c",
+    }
+  `);
+});
+
+test("non-aborted errors", () => {
+  const zItemTest = z.union([
+    z.object({
+      date: z.number(),
+      startDate: z.optional(z.null()),
+      endDate: z.optional(z.null()),
+    }),
+    z
+      .object({
+        date: z.optional(z.null()),
+        startDate: z.number(),
+        endDate: z.number(),
+      })
+      .refine((data) => data.startDate !== data.endDate, {
+        error: "startDate and endDate must be different",
+        path: ["endDate"],
+      }),
+  ]);
+
+  const res = zItemTest.safeParse({
+    date: null,
+    startDate: 1,
+    endDate: 1,
+  });
+
+  expect(res).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "custom",
+        "path": [
+          "endDate"
+        ],
+        "message": "startDate and endDate must be different"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+test("surface continuable errors only if they exist", () => {
+  const schema = z.union([z.boolean(), z.uuid(), z.jwt()]);
+
+  expect(schema.safeParse("asdf")).toMatchInlineSnapshot(`
+    {
+      "error": [ZodError: [
+      {
+        "code": "invalid_union",
+        "errors": [
+          [
+            {
+              "expected": "boolean",
+              "code": "invalid_type",
+              "path": [],
+              "message": "Invalid input: expected boolean, received string"
+            }
+          ],
+          [
+            {
+              "origin": "string",
+              "code": "invalid_format",
+              "format": "uuid",
+              "pattern": "/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/",
+              "path": [],
+              "message": "Invalid UUID"
+            }
+          ],
+          [
+            {
+              "code": "invalid_format",
+              "format": "jwt",
+              "path": [],
+              "message": "Invalid JWT"
+            }
+          ]
+        ],
+        "path": [],
+        "message": "Invalid input"
+      }
+    ]],
+      "success": false,
+    }
+  `);
+});
+
+// z.xor() tests
+test("z.xor() - exactly one match succeeds", () => {
+  const schema = z.xor([z.string(), z.number()]);
+  expect(schema.parse("hello")).toBe("hello");
+  expect(schema.parse(42)).toBe(42);
+});
+
+test("z.xor() - zero matches fails", () => {
+  const schema = z.xor([z.string(), z.number()]);
+  const result = schema.safeParse(true);
+  expect(result.success).toBe(false);
+});
+
+test("z.xor() - multiple matches fails", () => {
+  const schema = z.xor([z.string(), z.any()]);
+  const result = schema.safeParse("hello");
+  expect(result.success).toBe(false);
+  if (!result.success) {
+    expect(result.error.issues[0].code).toBe("invalid_union");
+    expect((result.error.issues[0] as any).inclusive).toBe(false);
+  }
+});
+
+test("z.xor() with custom error message", () => {
+  const schema = z.xor([z.string(), z.number()], "Expected exactly one of string or number");
+  const result = schema.safeParse(true);
+  expect(result.success).toBe(false);
+  if (!result.success) {
+    expect(result.error.issues[0].message).toBe("Expected exactly one of string or number");
+  }
+});
+
+test("z.xor() type inference", () => {
+  const schema = z.xor([z.string(), z.number(), z.boolean()]);
+  type Result = z.infer<typeof schema>;
+  expectTypeOf<Result>().toEqualTypeOf<string | number | boolean>();
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/url.test.ts

@@ -0,0 +1,13 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+
+test("type inference", () => {
+  const schema = z.string().array();
+  expectTypeOf<z.infer<typeof schema>>().toEqualTypeOf<string[]>();
+});
+
+test("url regex", () => {
+  expect((z.url({ hostname: /^example\.com$/ }).safeParse("http://example.org/").error?.issues[0] as any).pattern).toBe(
+    "^example\\.com$"
+  );
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/validations.test.ts

@@ -0,0 +1,283 @@
+import { expect, test } from "vitest";
+
+import * as z from "zod/v4";
+
+test("string length", async () => {
+  try {
+    await z.string().length(4).parseAsync("asd");
+  } catch (err) {
+    // ("String must contain exactly 4 character(s)");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_small",
+          "exact": true,
+          "inclusive": true,
+          "message": "Too small: expected string to have >=4 characters",
+          "minimum": 4,
+          "origin": "string",
+          "path": [],
+        },
+      ]
+    `);
+  }
+
+  try {
+    await z.string().length(4).parseAsync("asdaa");
+  } catch (err) {
+    // ("String must contain exactly 4 character(s)");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_big",
+          "exact": true,
+          "inclusive": true,
+          "maximum": 4,
+          "message": "Too big: expected string to have <=4 characters",
+          "origin": "string",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("string min/max", async () => {
+  try {
+    await z.string().min(4).parseAsync("asd");
+  } catch (err) {
+    // ("String must contain at least 4 character(s)");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_small",
+          "inclusive": true,
+          "message": "Too small: expected string to have >=4 characters",
+          "minimum": 4,
+          "origin": "string",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("string max", async () => {
+  try {
+    await z.string().max(4).parseAsync("aasdfsdfsd");
+  } catch (err) {
+    // ("String must contain at most 4 character(s)");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_big",
+          "inclusive": true,
+          "maximum": 4,
+          "message": "Too big: expected string to have <=4 characters",
+          "origin": "string",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("number min", async () => {
+  try {
+    await z.number().min(3).parseAsync(2);
+  } catch (err) {
+    // ("Number must be greater than or equal to 3");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_small",
+          "inclusive": true,
+          "message": "Too small: expected number to be >=3",
+          "minimum": 3,
+          "origin": "number",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("number gte", async () => {
+  try {
+    await z.number().gte(3).parseAsync(2);
+  } catch (err) {
+    // ("Number must be greater than or equal to 3");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_small",
+          "inclusive": true,
+          "message": "Too small: expected number to be >=3",
+          "minimum": 3,
+          "origin": "number",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("number gt", async () => {
+  try {
+    await z.number().gt(3).parseAsync(3);
+  } catch (err) {
+    // ("Number must be greater than or equal to 3");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_small",
+          "inclusive": false,
+          "message": "Too small: expected number to be >3",
+          "minimum": 3,
+          "origin": "number",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("number max", async () => {
+  try {
+    await z.number().max(3).parseAsync(4);
+  } catch (err) {
+    // ("Number must be less than or equal to 3");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_big",
+          "inclusive": true,
+          "maximum": 3,
+          "message": "Too big: expected number to be <=3",
+          "origin": "number",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("number lte", async () => {
+  try {
+    await z.number().lte(3).parseAsync(4);
+  } catch (err) {
+    // ("Number must be less than or equal to 3");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_big",
+          "inclusive": true,
+          "maximum": 3,
+          "message": "Too big: expected number to be <=3",
+          "origin": "number",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("number lt", async () => {
+  try {
+    await z.number().lt(3).parseAsync(3);
+  } catch (err) {
+    // ("Number must be less than or equal to 3");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_big",
+          "inclusive": false,
+          "maximum": 3,
+          "message": "Too big: expected number to be <3",
+          "origin": "number",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("number nonnegative", async () => {
+  try {
+    await z.number().nonnegative().parseAsync(-1);
+  } catch (err) {
+    // ("Number must be greater than or equal to 0");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_small",
+          "inclusive": true,
+          "message": "Too small: expected number to be >=0",
+          "minimum": 0,
+          "origin": "number",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("number nonpositive", async () => {
+  try {
+    await z.number().nonpositive().parseAsync(1);
+  } catch (err) {
+    // ("Number must be less than or equal to 0");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_big",
+          "inclusive": true,
+          "maximum": 0,
+          "message": "Too big: expected number to be <=0",
+          "origin": "number",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("number negative", async () => {
+  try {
+    await z.number().negative().parseAsync(1);
+  } catch (err) {
+    // ("Number must be less than 0");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_big",
+          "inclusive": false,
+          "maximum": 0,
+          "message": "Too big: expected number to be <0",
+          "origin": "number",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});
+
+test("number positive", async () => {
+  try {
+    await z.number().positive().parseAsync(-1);
+  } catch (err) {
+    // ("Number must be greater than 0");
+    expect((err as z.ZodError).issues).toMatchInlineSnapshot(`
+      [
+        {
+          "code": "too_small",
+          "inclusive": false,
+          "message": "Too small: expected number to be >0",
+          "minimum": 0,
+          "origin": "number",
+          "path": [],
+        },
+      ]
+    `);
+  }
+});

mcp-server-ssh/node_modules/zod/src/v4/classic/tests/void.test.ts

@@ -0,0 +1,12 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v4";
+test("void", () => {
+  const v = z.void();
+  v.parse(undefined);
+
+  expect(() => v.parse(null)).toThrow();
+  expect(() => v.parse("")).toThrow();
+
+  type v = z.infer<typeof v>;
+  expectTypeOf<v>().toEqualTypeOf<void>();
+});

mcp-server-ssh/node_modules/zod/src/v4/core/config.ts

@@ -0,0 +1,15 @@
+import type * as errors from "./errors.js";
+
+export interface $ZodConfig {
+  /** Custom error map. Overrides `config().localeError`. */
+  customError?: errors.$ZodErrorMap | undefined;
+  /** Localized error map. Lowest priority. */
+  localeError?: errors.$ZodErrorMap | undefined;
+}
+
+export const globalConfig: $ZodConfig = {};
+
+export function config(config?: Partial<$ZodConfig>): $ZodConfig {
+  if (config) Object.assign(globalConfig, config);
+  return globalConfig;
+}

mcp-server-ssh/node_modules/zod/src/v4/core/core.ts

@@ -0,0 +1,138 @@
+import type * as errors from "./errors.js";
+import type * as schemas from "./schemas.js";
+import type { Class } from "./util.js";
+//////////////////////////////   CONSTRUCTORS   ///////////////////////////////////////
+
+type ZodTrait = { _zod: { def: any; [k: string]: any } };
+export interface $constructor<T extends ZodTrait, D = T["_zod"]["def"]> {
+  new (def: D): T;
+  init(inst: T, def: D): asserts inst is T;
+}
+
+/** A special constant with type `never` */
+export const NEVER: never = Object.freeze({
+  status: "aborted",
+}) as never;
+
+export /*@__NO_SIDE_EFFECTS__*/ function $constructor<T extends ZodTrait, D = T["_zod"]["def"]>(
+  name: string,
+  initializer: (inst: T, def: D) => void,
+  params?: { Parent?: typeof Class }
+): $constructor<T, D> {
+  function init(inst: T, def: D) {
+    if (!inst._zod) {
+      Object.defineProperty(inst, "_zod", {
+        value: {
+          def,
+          constr: _,
+          traits: new Set(),
+        },
+        enumerable: false,
+      });
+    }
+
+    if (inst._zod.traits.has(name)) {
+      return;
+    }
+
+    inst._zod.traits.add(name);
+
+    initializer(inst, def);
+
+    // support prototype modifications
+    const proto = _.prototype;
+    const keys = Object.keys(proto);
+    for (let i = 0; i < keys.length; i++) {
+      const k = keys[i]!;
+      if (!(k in inst)) {
+        (inst as any)[k] = proto[k].bind(inst);
+      }
+    }
+  }
+
+  // doesn't work if Parent has a constructor with arguments
+  const Parent = params?.Parent ?? Object;
+  class Definition extends Parent {}
+  Object.defineProperty(Definition, "name", { value: name });
+
+  function _(this: any, def: D) {
+    const inst = params?.Parent ? new Definition() : this;
+    init(inst, def);
+    inst._zod.deferred ??= [];
+    for (const fn of inst._zod.deferred) {
+      fn();
+    }
+    return inst;
+  }
+
+  Object.defineProperty(_, "init", { value: init });
+  Object.defineProperty(_, Symbol.hasInstance, {
+    value: (inst: any) => {
+      if (params?.Parent && inst instanceof params.Parent) return true;
+      return inst?._zod?.traits?.has(name);
+    },
+  });
+  Object.defineProperty(_, "name", { value: name });
+  return _ as any;
+}
+
+//////////////////////////////   UTILITIES   ///////////////////////////////////////
+export const $brand: unique symbol = Symbol("zod_brand");
+export type $brand<T extends string | number | symbol = string | number | symbol> = {
+  [$brand]: { [k in T]: true };
+};
+
+export type $ZodBranded<
+  T extends schemas.SomeType,
+  Brand extends string | number | symbol,
+  Dir extends "in" | "out" | "inout" = "out",
+> = T &
+  (Dir extends "inout"
+    ? { _zod: { input: input<T> & $brand<Brand>; output: output<T> & $brand<Brand> } }
+    : Dir extends "in"
+      ? { _zod: { input: input<T> & $brand<Brand> } }
+      : { _zod: { output: output<T> & $brand<Brand> } });
+
+export type $ZodNarrow<T extends schemas.SomeType, Out> = T & { _zod: { output: Out } };
+
+export class $ZodAsyncError extends Error {
+  constructor() {
+    super(`Encountered Promise during synchronous parse. Use .parseAsync() instead.`);
+  }
+}
+
+export class $ZodEncodeError extends Error {
+  constructor(name: string) {
+    super(`Encountered unidirectional transform during encode: ${name}`);
+    this.name = "ZodEncodeError";
+  }
+}
+
+////////////////////////////  TYPE HELPERS  ///////////////////////////////////
+
+// export type input<T extends schemas.$ZodType> = T["_zod"]["input"];
+// export type output<T extends schemas.$ZodType> = T["_zod"]["output"];
+// export type input<T extends schemas.$ZodType> = T["_zod"]["input"];
+// export type output<T extends schemas.$ZodType> = T["_zod"]["output"];
+export type input<T> = T extends { _zod: { input: any } } ? T["_zod"]["input"] : unknown;
+export type output<T> = T extends { _zod: { output: any } } ? T["_zod"]["output"] : unknown;
+
+export type { output as infer };
+
+//////////////////////////////   CONFIG   ///////////////////////////////////////
+
+export interface $ZodConfig {
+  /** Custom error map. Overrides `config().localeError`. */
+  customError?: errors.$ZodErrorMap | undefined;
+  /** Localized error map. Lowest priority. */
+  localeError?: errors.$ZodErrorMap | undefined;
+  /** Disable JIT schema compilation. Useful in environments that disallow `eval`. */
+  jitless?: boolean | undefined;
+}
+
+export const globalConfig: $ZodConfig = {};
+
+export function config(newConfig?: Partial<$ZodConfig>): $ZodConfig {
+  if (newConfig) Object.assign(globalConfig, newConfig);
+  return globalConfig;
+}

mcp-server-ssh/node_modules/zod/src/v4/core/doc.ts

@@ -0,0 +1,44 @@
+type ModeWriter = (doc: Doc, modes: { execution: "sync" | "async" }) => void;
+
+export class Doc {
+  args!: string[];
+  content: string[] = [];
+  indent = 0;
+
+  constructor(args: string[] = []) {
+    if (this) this.args = args;
+  }
+
+  indented(fn: (doc: Doc) => void) {
+    this.indent += 1;
+    fn(this);
+    this.indent -= 1;
+  }
+
+  write(fn: ModeWriter): void;
+  write(line: string): void;
+  write(arg: any) {
+    if (typeof arg === "function") {
+      (arg as ModeWriter)(this, { execution: "sync" });
+      (arg as ModeWriter)(this, { execution: "async" });
+      return;
+    }
+
+    const content = arg as string;
+    const lines = content.split("\n").filter((x) => x);
+    const minIndent = Math.min(...lines.map((x) => x.length - x.trimStart().length));
+    const dedented = lines.map((x) => x.slice(minIndent)).map((x) => " ".repeat(this.indent * 2) + x);
+    for (const line of dedented) {
+      this.content.push(line);
+    }
+  }
+
+  compile(): any {
+    const F = Function;
+    const args = this?.args;
+    const content = this?.content ?? [``];
+    const lines = [...content.map((x) => `  ${x}`)];
+    // console.log(lines.join("\n"));
+    return new F(...args, lines.join("\n")) as any;
+  }
+}

mcp-server-ssh/node_modules/zod/src/v4/core/errors.ts

@@ -0,0 +1,448 @@
+import type { $ZodCheck, $ZodStringFormats } from "./checks.js";
+import { $constructor } from "./core.js";
+import type { $ZodType } from "./schemas.js";
+import type { StandardSchemaV1 } from "./standard-schema.js";
+import * as util from "./util.js";
+
+///////////////////////////
+////     base type     ////
+///////////////////////////
+export interface $ZodIssueBase {
+  readonly code?: string;
+  readonly input?: unknown;
+  readonly path: PropertyKey[];
+  readonly message: string;
+}
+
+////////////////////////////////
+////     issue subtypes     ////
+////////////////////////////////
+export type $ZodInvalidTypeExpected =
+  | "string"
+  | "number"
+  | "int"
+  | "boolean"
+  | "bigint"
+  | "symbol"
+  | "undefined"
+  | "null"
+  | "never"
+  | "void"
+  | "date"
+  | "array"
+  | "object"
+  | "tuple"
+  | "record"
+  | "map"
+  | "set"
+  | "file"
+  | "nonoptional"
+  | "nan"
+  | "function"
+  | (string & {}); // class names for instanceof
+
+export interface $ZodIssueInvalidType<Input = unknown> extends $ZodIssueBase {
+  readonly code: "invalid_type";
+  readonly expected: $ZodInvalidTypeExpected;
+  readonly input?: Input;
+}
+
+export interface $ZodIssueTooBig<Input = unknown> extends $ZodIssueBase {
+  readonly code: "too_big";
+  readonly origin: "number" | "int" | "bigint" | "date" | "string" | "array" | "set" | "file" | (string & {});
+  readonly maximum: number | bigint;
+  readonly inclusive?: boolean;
+  readonly exact?: boolean;
+  readonly input?: Input;
+}
+
+export interface $ZodIssueTooSmall<Input = unknown> extends $ZodIssueBase {
+  readonly code: "too_small";
+  readonly origin: "number" | "int" | "bigint" | "date" | "string" | "array" | "set" | "file" | (string & {});
+  readonly minimum: number | bigint;
+  /** True if the allowable range includes the minimum */
+  readonly inclusive?: boolean;
+  /** True if the allowed value is fixed (e.g.` z.length(5)`), not a range (`z.minLength(5)`) */
+  readonly exact?: boolean;
+  readonly input?: Input;
+}
+
+export interface $ZodIssueInvalidStringFormat extends $ZodIssueBase {
+  readonly code: "invalid_format";
+  readonly format: $ZodStringFormats | (string & {});
+  readonly pattern?: string;
+  readonly input?: string;
+}
+
+export interface $ZodIssueNotMultipleOf<Input extends number | bigint = number | bigint> extends $ZodIssueBase {
+  readonly code: "not_multiple_of";
+  readonly divisor: number;
+  readonly input?: Input;
+}
+
+export interface $ZodIssueUnrecognizedKeys extends $ZodIssueBase {
+  readonly code: "unrecognized_keys";
+  readonly keys: string[];
+  readonly input?: Record<string, unknown>;
+}
+
+interface $ZodIssueInvalidUnionNoMatch extends $ZodIssueBase {
+  readonly code: "invalid_union";
+  readonly errors: $ZodIssue[][];
+  readonly input?: unknown;
+  readonly discriminator?: string | undefined;
+  readonly inclusive?: true;
+}
+
+interface $ZodIssueInvalidUnionMultipleMatch extends $ZodIssueBase {
+  readonly code: "invalid_union";
+  readonly errors: [];
+  readonly input?: unknown;
+  readonly discriminator?: string | undefined;
+  readonly inclusive: false;
+}
+
+export type $ZodIssueInvalidUnion = $ZodIssueInvalidUnionNoMatch | $ZodIssueInvalidUnionMultipleMatch;
+
+export interface $ZodIssueInvalidKey<Input = unknown> extends $ZodIssueBase {
+  readonly code: "invalid_key";
+  readonly origin: "map" | "record";
+  readonly issues: $ZodIssue[];
+  readonly input?: Input;
+}
+
+export interface $ZodIssueInvalidElement<Input = unknown> extends $ZodIssueBase {
+  readonly code: "invalid_element";
+  readonly origin: "map" | "set";
+  readonly key: unknown;
+  readonly issues: $ZodIssue[];
+  readonly input?: Input;
+}
+
+export interface $ZodIssueInvalidValue<Input = unknown> extends $ZodIssueBase {
+  readonly code: "invalid_value";
+  readonly values: util.Primitive[];
+  readonly input?: Input;
+}
+
+export interface $ZodIssueCustom extends $ZodIssueBase {
+  readonly code: "custom";
+  readonly params?: Record<string, any> | undefined;
+  readonly input?: unknown;
+}
+
+////////////////////////////////////////////
+////     first-party string formats     ////
+////////////////////////////////////////////
+
+export interface $ZodIssueStringCommonFormats extends $ZodIssueInvalidStringFormat {
+  format: Exclude<$ZodStringFormats, "regex" | "jwt" | "starts_with" | "ends_with" | "includes">;
+}
+
+export interface $ZodIssueStringInvalidRegex extends $ZodIssueInvalidStringFormat {
+  format: "regex";
+  pattern: string;
+}
+
+export interface $ZodIssueStringInvalidJWT extends $ZodIssueInvalidStringFormat {
+  format: "jwt";
+  algorithm?: string;
+}
+
+export interface $ZodIssueStringStartsWith extends $ZodIssueInvalidStringFormat {
+  format: "starts_with";
+  prefix: string;
+}
+
+export interface $ZodIssueStringEndsWith extends $ZodIssueInvalidStringFormat {
+  format: "ends_with";
+  suffix: string;
+}
+
+export interface $ZodIssueStringIncludes extends $ZodIssueInvalidStringFormat {
+  format: "includes";
+  includes: string;
+}
+
+export type $ZodStringFormatIssues =
+  | $ZodIssueStringCommonFormats
+  | $ZodIssueStringInvalidRegex
+  | $ZodIssueStringInvalidJWT
+  | $ZodIssueStringStartsWith
+  | $ZodIssueStringEndsWith
+  | $ZodIssueStringIncludes;
+
+////////////////////////
+////     utils     /////
+////////////////////////
+
+export type $ZodIssue =
+  | $ZodIssueInvalidType
+  | $ZodIssueTooBig
+  | $ZodIssueTooSmall
+  | $ZodIssueInvalidStringFormat
+  | $ZodIssueNotMultipleOf
+  | $ZodIssueUnrecognizedKeys
+  | $ZodIssueInvalidUnion
+  | $ZodIssueInvalidKey
+  | $ZodIssueInvalidElement
+  | $ZodIssueInvalidValue
+  | $ZodIssueCustom;
+
+export type $ZodIssueCode = $ZodIssue["code"];
+
+export type $ZodInternalIssue<T extends $ZodIssueBase = $ZodIssue> = T extends any ? RawIssue<T> : never;
+type RawIssue<T extends $ZodIssueBase> = T extends any
+  ? util.Flatten<
+      util.MakePartial<T, "message" | "path"> & {
+        /** The input data */
+        readonly input: unknown;
+        /** The schema or check that originated this issue. */
+        readonly inst?: $ZodType | $ZodCheck;
+        /** If `true`, Zod will continue executing checks/refinements after this issue. */
+        readonly continue?: boolean | undefined;
+      } & Record<string, unknown>
+    >
+  : never;
+
+export type $ZodRawIssue<T extends $ZodIssueBase = $ZodIssue> = $ZodInternalIssue<T>;
+
+export interface $ZodErrorMap<T extends $ZodIssueBase = $ZodIssue> {
+  // biome-ignore lint:
+  (issue: $ZodRawIssue<T>): { message: string } | string | undefined | null;
+}
+
+////////////////////////    ERROR CLASS   ////////////////////////
+
+// const ZOD_ERROR: symbol = Symbol.for("{{zod.error}}");
+export interface $ZodError<T = unknown> extends Error {
+  type: T;
+  issues: $ZodIssue[];
+  _zod: {
+    output: T;
+    def: $ZodIssue[];
+  };
+  stack?: string;
+  name: string;
+}
+
+const initializer = (inst: $ZodError, def: $ZodIssue[]): void => {
+  inst.name = "$ZodError";
+  Object.defineProperty(inst, "_zod", {
+    value: inst._zod,
+    enumerable: false,
+  });
+  Object.defineProperty(inst, "issues", {
+    value: def,
+    enumerable: false,
+  });
+  inst.message = JSON.stringify(def, util.jsonStringifyReplacer, 2);
+
+  Object.defineProperty(inst, "toString", {
+    value: () => inst.message,
+    enumerable: false,
+  });
+};
+
+export const $ZodError: $constructor<$ZodError> = $constructor("$ZodError", initializer);
+interface $ZodRealError<T = any> extends $ZodError<T> {}
+export const $ZodRealError: $constructor<$ZodRealError> = $constructor("$ZodError", initializer, { Parent: Error });
+
+///////////////////    ERROR UTILITIES   ////////////////////////
+
+// flatten
+export type $ZodFlattenedError<T, U = string> = _FlattenedError<T, U>;
+type _FlattenedError<T, U = string> = {
+  formErrors: U[];
+  fieldErrors: {
+    [P in keyof T]?: U[];
+  };
+};
+
+export function flattenError<T>(error: $ZodError<T>): _FlattenedError<T>;
+export function flattenError<T, U>(error: $ZodError<T>, mapper?: (issue: $ZodIssue) => U): _FlattenedError<T, U>;
+export function flattenError<T, U>(error: $ZodError<T>, mapper = (issue: $ZodIssue) => issue.message as U) {
+  const fieldErrors: Record<PropertyKey, any> = {};
+  const formErrors: U[] = [];
+  for (const sub of error.issues) {
+    if (sub.path.length > 0) {
+      fieldErrors[sub.path[0]!] = fieldErrors[sub.path[0]!] || [];
+      fieldErrors[sub.path[0]!].push(mapper(sub));
+    } else {
+      formErrors.push(mapper(sub));
+    }
+  }
+  return { formErrors, fieldErrors };
+}
+
+type _ZodFormattedError<T, U = string> = T extends [any, ...any[]]
+  ? { [K in keyof T]?: $ZodFormattedError<T[K], U> }
+  : T extends any[]
+    ? { [k: number]: $ZodFormattedError<T[number], U> }
+    : T extends object
+      ? util.Flatten<{ [K in keyof T]?: $ZodFormattedError<T[K], U> }>
+      : any;
+
+export type $ZodFormattedError<T, U = string> = {
+  _errors: U[];
+} & util.Flatten<_ZodFormattedError<T, U>>;
+
+export function formatError<T>(error: $ZodError<T>): $ZodFormattedError<T>;
+export function formatError<T, U>(error: $ZodError<T>, mapper?: (issue: $ZodIssue) => U): $ZodFormattedError<T, U>;
+export function formatError<T, U>(error: $ZodError<T>, mapper = (issue: $ZodIssue) => issue.message as U) {
+  const fieldErrors: $ZodFormattedError<T> = { _errors: [] } as any;
+  const processError = (error: { issues: $ZodIssue[] }) => {
+    for (const issue of error.issues) {
+      if (issue.code === "invalid_union" && issue.errors.length) {
+        issue.errors.map((issues) => processError({ issues }));
+      } else if (issue.code === "invalid_key") {
+        processError({ issues: issue.issues });
+      } else if (issue.code === "invalid_element") {
+        processError({ issues: issue.issues });
+      } else if (issue.path.length === 0) {
+        (fieldErrors as any)._errors.push(mapper(issue));
+      } else {
+        let curr: any = fieldErrors;
+        let i = 0;
+        while (i < issue.path.length) {
+          const el = issue.path[i]!;
+          const terminal = i === issue.path.length - 1;
+
+          if (!terminal) {
+            curr[el] = curr[el] || { _errors: [] };
+          } else {
+            curr[el] = curr[el] || { _errors: [] };
+            curr[el]._errors.push(mapper(issue));
+          }
+
+          curr = curr[el];
+          i++;
+        }
+      }
+    }
+  };
+  processError(error);
+  return fieldErrors;
+}
+
+export type $ZodErrorTree<T, U = string> = T extends util.Primitive
+  ? { errors: U[] }
+  : T extends [any, ...any[]]
+    ? { errors: U[]; items?: { [K in keyof T]?: $ZodErrorTree<T[K], U> } }
+    : T extends any[]
+      ? { errors: U[]; items?: Array<$ZodErrorTree<T[number], U>> }
+      : T extends object
+        ? { errors: U[]; properties?: { [K in keyof T]?: $ZodErrorTree<T[K], U> } }
+        : { errors: U[] };
+
+export function treeifyError<T>(error: $ZodError<T>): $ZodErrorTree<T>;
+export function treeifyError<T, U>(error: $ZodError<T>, mapper?: (issue: $ZodIssue) => U): $ZodErrorTree<T, U>;
+export function treeifyError<T, U>(error: $ZodError<T>, mapper = (issue: $ZodIssue) => issue.message as U) {
+  const result: $ZodErrorTree<T, U> = { errors: [] } as any;
+  const processError = (error: { issues: $ZodIssue[] }, path: PropertyKey[] = []) => {
+    for (const issue of error.issues) {
+      if (issue.code === "invalid_union" && issue.errors.length) {
+        // regular union error
+        issue.errors.map((issues) => processError({ issues }, issue.path));
+      } else if (issue.code === "invalid_key") {
+        processError({ issues: issue.issues }, issue.path);
+      } else if (issue.code === "invalid_element") {
+        processError({ issues: issue.issues }, issue.path);
+      } else {
+        const fullpath = [...path, ...issue.path];
+        if (fullpath.length === 0) {
+          result.errors.push(mapper(issue));
+          continue;
+        }
+
+        let curr: any = result;
+        let i = 0;
+        while (i < fullpath.length) {
+          const el = fullpath[i]!;
+
+          const terminal = i === fullpath.length - 1;
+          if (typeof el === "string") {
+            curr.properties ??= {};
+            curr.properties[el] ??= { errors: [] };
+            curr = curr.properties[el];
+          } else {
+            curr.items ??= [];
+            curr.items[el] ??= { errors: [] };
+            curr = curr.items[el];
+          }
+
+          if (terminal) {
+            curr.errors.push(mapper(issue));
+          }
+
+          i++;
+        }
+      }
+    }
+  };
+  processError(error);
+  return result;
+}
+
+/** Format a ZodError as a human-readable string in the following form.
+ *
+ * From
+ *
+ * ```ts
+ * ZodError {
+ *   issues: [
+ *     {
+ *       expected: 'string',
+ *       code: 'invalid_type',
+ *       path: [ 'username' ],
+ *       message: 'Invalid input: expected string'
+ *     },
+ *     {
+ *       expected: 'number',
+ *       code: 'invalid_type',
+ *       path: [ 'favoriteNumbers', 1 ],
+ *       message: 'Invalid input: expected number'
+ *     }
+ *   ];
+ * }
+ * ```
+ *
+ * to
+ *
+ * ```
+ * username
+ *   ✖ Expected number, received string at "username
+ * favoriteNumbers[0]
+ *   ✖ Invalid input: expected number
+ * ```
+ */
+export function toDotPath(_path: readonly (string | number | symbol | StandardSchemaV1.PathSegment)[]): string {
+  const segs: string[] = [];
+  const path: PropertyKey[] = _path.map((seg: any) => (typeof seg === "object" ? seg.key : seg));
+  for (const seg of path) {
+    if (typeof seg === "number") segs.push(`[${seg}]`);
+    else if (typeof seg === "symbol") segs.push(`[${JSON.stringify(String(seg))}]`);
+    else if (/[^\w$]/.test(seg)) segs.push(`[${JSON.stringify(seg)}]`);
+    else {
+      if (segs.length) segs.push(".");
+      segs.push(seg);
+    }
+  }
+
+  return segs.join("");
+}
+
+export function prettifyError(error: StandardSchemaV1.FailureResult): string {
+  const lines: string[] = [];
+  // sort by path length
+  const issues = [...error.issues].sort((a, b) => (a.path ?? []).length - (b.path ?? []).length);
+
+  // Process each issue
+  for (const issue of issues) {
+    lines.push(`✖ ${issue.message}`);
+    if (issue.path?.length) lines.push(`  → at ${toDotPath(issue.path)}`);
+  }
+
+  // Convert Map to formatted string
+  return lines.join("\n");
+}

mcp-server-ssh/node_modules/zod/src/v4/core/index.ts

@@ -0,0 +1,16 @@
+export * from "./core.js";
+export * from "./parse.js";
+export * from "./errors.js";
+export * from "./schemas.js";
+export * from "./checks.js";
+export * from "./versions.js";
+export * as util from "./util.js";
+export * as regexes from "./regexes.js";
+export * as locales from "../locales/index.js";
+export * from "./registries.js";
+export * from "./doc.js";
+export * from "./api.js";
+export * from "./to-json-schema.js";
+export { toJSONSchema } from "./json-schema-processors.js";
+export { JSONSchemaGenerator } from "./json-schema-generator.js";
+export * as JSONSchema from "./json-schema.js";

mcp-server-ssh/node_modules/zod/src/v4/core/json-schema-generator.ts

@@ -0,0 +1,126 @@
+import { allProcessors } from "./json-schema-processors.js";
+import type * as JSONSchema from "./json-schema.js";
+import type { $ZodRegistry } from "./registries.js";
+import type * as schemas from "./schemas.js";
+import {
+  type JSONSchemaGeneratorParams,
+  type ProcessParams,
+  type Seen,
+  type ToJSONSchemaContext,
+  extractDefs,
+  finalize,
+  initializeContext,
+  process,
+} from "./to-json-schema.js";
+
+/**
+ * Parameters for the emit method of JSONSchemaGenerator.
+ * @deprecated Use toJSONSchema function instead
+ */
+export type EmitParams = Pick<JSONSchemaGeneratorParams, "cycles" | "reused" | "external">;
+
+/**
+ * Parameters for JSONSchemaGenerator constructor.
+ * @deprecated Use toJSONSchema function instead
+ */
+type JSONSchemaGeneratorConstructorParams = Pick<
+  JSONSchemaGeneratorParams,
+  "metadata" | "target" | "unrepresentable" | "override" | "io"
+>;
+
+/**
+ * Legacy class-based interface for JSON Schema generation.
+ * This class wraps the new functional implementation to provide backward compatibility.
+ *
+ * @deprecated Use the `toJSONSchema` function instead for new code.
+ *
+ * @example
+ * ```typescript
+ * // Legacy usage (still supported)
+ * const gen = new JSONSchemaGenerator({ target: "draft-07" });
+ * gen.process(schema);
+ * const result = gen.emit(schema);
+ *
+ * // Preferred modern usage
+ * const result = toJSONSchema(schema, { target: "draft-07" });
+ * ```
+ */
+export class JSONSchemaGenerator {
+  private ctx: ToJSONSchemaContext;
+
+  /** @deprecated Access via ctx instead */
+  get metadataRegistry(): $ZodRegistry<Record<string, any>> {
+    return this.ctx.metadataRegistry;
+  }
+  /** @deprecated Access via ctx instead */
+  get target() {
+    return this.ctx.target;
+  }
+  /** @deprecated Access via ctx instead */
+  get unrepresentable() {
+    return this.ctx.unrepresentable;
+  }
+  /** @deprecated Access via ctx instead */
+  get override() {
+    return this.ctx.override;
+  }
+  /** @deprecated Access via ctx instead */
+  get io() {
+    return this.ctx.io;
+  }
+  /** @deprecated Access via ctx instead */
+  get counter() {
+    return this.ctx.counter;
+  }
+  set counter(value: number) {
+    this.ctx.counter = value;
+  }
+  /** @deprecated Access via ctx instead */
+  get seen(): Map<schemas.$ZodType, Seen> {
+    return this.ctx.seen;
+  }
+
+  constructor(params?: JSONSchemaGeneratorConstructorParams) {
+    // Normalize target for internal context
+    let normalizedTarget: ToJSONSchemaContext["target"] = params?.target ?? "draft-2020-12";
+    if (normalizedTarget === "draft-4") normalizedTarget = "draft-04";
+    if (normalizedTarget === "draft-7") normalizedTarget = "draft-07";
+
+    this.ctx = initializeContext({
+      processors: allProcessors,
+      target: normalizedTarget,
+      ...(params?.metadata && { metadata: params.metadata }),
+      ...(params?.unrepresentable && { unrepresentable: params.unrepresentable }),
+      ...(params?.override && { override: params.override as any }),
+      ...(params?.io && { io: params.io }),
+    });
+  }
+
+  /**
+   * Process a schema to prepare it for JSON Schema generation.
+   * This must be called before emit().
+   */
+  process(schema: schemas.$ZodType, _params: ProcessParams = { path: [], schemaPath: [] }): JSONSchema.BaseSchema {
+    return process(schema, this.ctx, _params);
+  }
+
+  /**
+   * Emit the final JSON Schema after processing.
+   * Must call process() first.
+   */
+  emit(schema: schemas.$ZodType, _params?: EmitParams): JSONSchema.BaseSchema {
+    // Apply emit params to the context
+    if (_params) {
+      if (_params.cycles) this.ctx.cycles = _params.cycles;
+      if (_params.reused) this.ctx.reused = _params.reused;
+      if (_params.external) this.ctx.external = _params.external;
+    }
+
+    extractDefs(this.ctx, schema);
+    const result = finalize(this.ctx, schema);
+
+    // Strip ~standard property to match old implementation's return type
+    const { "~standard": _, ...plainResult } = result as any;
+    return plainResult as JSONSchema.BaseSchema;
+  }
+}

mcp-server-ssh/node_modules/zod/src/v4/core/json-schema-processors.ts

@@ -0,0 +1,667 @@
+import type * as checks from "./checks.js";
+import type * as JSONSchema from "./json-schema.js";
+import type { $ZodRegistry } from "./registries.js";
+import type * as schemas from "./schemas.js";
+import {
+  type Processor,
+  type RegistryToJSONSchemaParams,
+  type ToJSONSchemaParams,
+  type ZodStandardJSONSchemaPayload,
+  extractDefs,
+  finalize,
+  initializeContext,
+  process,
+} from "./to-json-schema.js";
+import { getEnumValues } from "./util.js";
+
+const formatMap: Partial<Record<checks.$ZodStringFormats, string | undefined>> = {
+  guid: "uuid",
+  url: "uri",
+  datetime: "date-time",
+  json_string: "json-string",
+  regex: "", // do not set
+};
+
+// ==================== SIMPLE TYPE PROCESSORS ====================
+
+export const stringProcessor: Processor<schemas.$ZodString> = (schema, ctx, _json, _params) => {
+  const json = _json as JSONSchema.StringSchema;
+  json.type = "string";
+  const { minimum, maximum, format, patterns, contentEncoding } = schema._zod
+    .bag as schemas.$ZodStringInternals<unknown>["bag"];
+  if (typeof minimum === "number") json.minLength = minimum;
+  if (typeof maximum === "number") json.maxLength = maximum;
+  // custom pattern overrides format
+  if (format) {
+    json.format = formatMap[format as checks.$ZodStringFormats] ?? format;
+    if (json.format === "") delete json.format; // empty format is not valid
+
+    // JSON Schema format: "time" requires a full time with offset or Z
+    // z.iso.time() does not include timezone information, so format: "time" should never be used
+    if (format === "time") {
+      delete json.format;
+    }
+  }
+  if (contentEncoding) json.contentEncoding = contentEncoding;
+  if (patterns && patterns.size > 0) {
+    const regexes = [...patterns];
+    if (regexes.length === 1) json.pattern = regexes[0]!.source;
+    else if (regexes.length > 1) {
+      json.allOf = [
+        ...regexes.map((regex) => ({
+          ...(ctx.target === "draft-07" || ctx.target === "draft-04" || ctx.target === "openapi-3.0"
+            ? ({ type: "string" } as const)
+            : {}),
+          pattern: regex.source,
+        })),
+      ];
+    }
+  }
+};
+
+export const numberProcessor: Processor<schemas.$ZodNumber> = (schema, ctx, _json, _params) => {
+  const json = _json as JSONSchema.NumberSchema | JSONSchema.IntegerSchema;
+  const { minimum, maximum, format, multipleOf, exclusiveMaximum, exclusiveMinimum } = schema._zod.bag;
+  if (typeof format === "string" && format.includes("int")) json.type = "integer";
+  else json.type = "number";
+
+  if (typeof exclusiveMinimum === "number") {
+    if (ctx.target === "draft-04" || ctx.target === "openapi-3.0") {
+      json.minimum = exclusiveMinimum;
+      json.exclusiveMinimum = true;
+    } else {
+      json.exclusiveMinimum = exclusiveMinimum;
+    }
+  }
+  if (typeof minimum === "number") {
+    json.minimum = minimum;
+    if (typeof exclusiveMinimum === "number" && ctx.target !== "draft-04") {
+      if (exclusiveMinimum >= minimum) delete json.minimum;
+      else delete json.exclusiveMinimum;
+    }
+  }
+
+  if (typeof exclusiveMaximum === "number") {
+    if (ctx.target === "draft-04" || ctx.target === "openapi-3.0") {
+      json.maximum = exclusiveMaximum;
+      json.exclusiveMaximum = true;
+    } else {
+      json.exclusiveMaximum = exclusiveMaximum;
+    }
+  }
+  if (typeof maximum === "number") {
+    json.maximum = maximum;
+    if (typeof exclusiveMaximum === "number" && ctx.target !== "draft-04") {
+      if (exclusiveMaximum <= maximum) delete json.maximum;
+      else delete json.exclusiveMaximum;
+    }
+  }
+
+  if (typeof multipleOf === "number") json.multipleOf = multipleOf;
+};
+
+export const booleanProcessor: Processor<schemas.$ZodBoolean> = (_schema, _ctx, json, _params) => {
+  (json as JSONSchema.BooleanSchema).type = "boolean";
+};
+
+export const bigintProcessor: Processor<schemas.$ZodBigInt> = (_schema, ctx, _json, _params) => {
+  if (ctx.unrepresentable === "throw") {
+    throw new Error("BigInt cannot be represented in JSON Schema");
+  }
+};
+
+export const symbolProcessor: Processor<schemas.$ZodSymbol> = (_schema, ctx, _json, _params) => {
+  if (ctx.unrepresentable === "throw") {
+    throw new Error("Symbols cannot be represented in JSON Schema");
+  }
+};
+
+export const nullProcessor: Processor<schemas.$ZodNull> = (_schema, ctx, json, _params) => {
+  if (ctx.target === "openapi-3.0") {
+    json.type = "string";
+    json.nullable = true;
+    json.enum = [null];
+  } else {
+    json.type = "null";
+  }
+};
+
+export const undefinedProcessor: Processor<schemas.$ZodUndefined> = (_schema, ctx, _json, _params) => {
+  if (ctx.unrepresentable === "throw") {
+    throw new Error("Undefined cannot be represented in JSON Schema");
+  }
+};
+
+export const voidProcessor: Processor<schemas.$ZodVoid> = (_schema, ctx, _json, _params) => {
+  if (ctx.unrepresentable === "throw") {
+    throw new Error("Void cannot be represented in JSON Schema");
+  }
+};
+
+export const neverProcessor: Processor<schemas.$ZodNever> = (_schema, _ctx, json, _params) => {
+  json.not = {};
+};
+
+export const anyProcessor: Processor<schemas.$ZodAny> = (_schema, _ctx, _json, _params) => {
+  // empty schema accepts anything
+};
+
+export const unknownProcessor: Processor<schemas.$ZodUnknown> = (_schema, _ctx, _json, _params) => {
+  // empty schema accepts anything
+};
+
+export const dateProcessor: Processor<schemas.$ZodDate> = (_schema, ctx, _json, _params) => {
+  if (ctx.unrepresentable === "throw") {
+    throw new Error("Date cannot be represented in JSON Schema");
+  }
+};
+
+export const enumProcessor: Processor<schemas.$ZodEnum> = (schema, _ctx, json, _params) => {
+  const def = schema._zod.def as schemas.$ZodEnumDef;
+  const values = getEnumValues(def.entries);
+  // Number enums can have both string and number values
+  if (values.every((v) => typeof v === "number")) json.type = "number";
+  if (values.every((v) => typeof v === "string")) json.type = "string";
+  json.enum = values;
+};
+
+export const literalProcessor: Processor<schemas.$ZodLiteral> = (schema, ctx, json, _params) => {
+  const def = schema._zod.def as schemas.$ZodLiteralDef<any>;
+  const vals: (string | number | boolean | null)[] = [];
+  for (const val of def.values) {
+    if (val === undefined) {
+      if (ctx.unrepresentable === "throw") {
+        throw new Error("Literal `undefined` cannot be represented in JSON Schema");
+      } else {
+        // do not add to vals
+      }
+    } else if (typeof val === "bigint") {
+      if (ctx.unrepresentable === "throw") {
+        throw new Error("BigInt literals cannot be represented in JSON Schema");
+      } else {
+        vals.push(Number(val));
+      }
+    } else {
+      vals.push(val);
+    }
+  }
+  if (vals.length === 0) {
+    // do nothing (an undefined literal was stripped)
+  } else if (vals.length === 1) {
+    const val = vals[0]!;
+    json.type = val === null ? ("null" as const) : (typeof val as any);
+    if (ctx.target === "draft-04" || ctx.target === "openapi-3.0") {
+      json.enum = [val];
+    } else {
+      json.const = val;
+    }
+  } else {
+    if (vals.every((v) => typeof v === "number")) json.type = "number";
+    if (vals.every((v) => typeof v === "string")) json.type = "string";
+    if (vals.every((v) => typeof v === "boolean")) json.type = "boolean";
+    if (vals.every((v) => v === null)) json.type = "null";
+    json.enum = vals;
+  }
+};
+
+export const nanProcessor: Processor<schemas.$ZodNaN> = (_schema, ctx, _json, _params) => {
+  if (ctx.unrepresentable === "throw") {
+    throw new Error("NaN cannot be represented in JSON Schema");
+  }
+};
+
+export const templateLiteralProcessor: Processor<schemas.$ZodTemplateLiteral> = (schema, _ctx, json, _params) => {
+  const _json = json as JSONSchema.StringSchema;
+  const pattern = schema._zod.pattern;
+  if (!pattern) throw new Error("Pattern not found in template literal");
+  _json.type = "string";
+  _json.pattern = pattern.source;
+};
+
+export const fileProcessor: Processor<schemas.$ZodFile> = (schema, _ctx, json, _params) => {
+  const _json = json as JSONSchema.StringSchema;
+  const file: JSONSchema.StringSchema = {
+    type: "string",
+    format: "binary",
+    contentEncoding: "binary",
+  };
+
+  const { minimum, maximum, mime } = schema._zod.bag as schemas.$ZodFileInternals["bag"];
+  if (minimum !== undefined) file.minLength = minimum;
+  if (maximum !== undefined) file.maxLength = maximum;
+  if (mime) {
+    if (mime.length === 1) {
+      file.contentMediaType = mime[0]!;
+      Object.assign(_json, file);
+    } else {
+      Object.assign(_json, file); // shared props at root
+      _json.anyOf = mime.map((m) => ({ contentMediaType: m })); // only contentMediaType differs
+    }
+  } else {
+    Object.assign(_json, file);
+  }
+};
+
+export const successProcessor: Processor<schemas.$ZodSuccess> = (_schema, _ctx, json, _params) => {
+  (json as JSONSchema.BooleanSchema).type = "boolean";
+};
+
+export const customProcessor: Processor<schemas.$ZodCustom> = (_schema, ctx, _json, _params) => {
+  if (ctx.unrepresentable === "throw") {
+    throw new Error("Custom types cannot be represented in JSON Schema");
+  }
+};
+
+export const functionProcessor: Processor<schemas.$ZodFunction> = (_schema, ctx, _json, _params) => {
+  if (ctx.unrepresentable === "throw") {
+    throw new Error("Function types cannot be represented in JSON Schema");
+  }
+};
+
+export const transformProcessor: Processor<schemas.$ZodTransform> = (_schema, ctx, _json, _params) => {
+  if (ctx.unrepresentable === "throw") {
+    throw new Error("Transforms cannot be represented in JSON Schema");
+  }
+};
+
+export const mapProcessor: Processor<schemas.$ZodMap> = (_schema, ctx, _json, _params) => {
+  if (ctx.unrepresentable === "throw") {
+    throw new Error("Map cannot be represented in JSON Schema");
+  }
+};
+
+export const setProcessor: Processor<schemas.$ZodSet> = (_schema, ctx, _json, _params) => {
+  if (ctx.unrepresentable === "throw") {
+    throw new Error("Set cannot be represented in JSON Schema");
+  }
+};
+
+// ==================== COMPOSITE TYPE PROCESSORS ====================
+
+export const arrayProcessor: Processor<schemas.$ZodArray> = (schema, ctx, _json, params) => {
+  const json = _json as JSONSchema.ArraySchema;
+  const def = schema._zod.def as schemas.$ZodArrayDef;
+  const { minimum, maximum } = schema._zod.bag;
+  if (typeof minimum === "number") json.minItems = minimum;
+  if (typeof maximum === "number") json.maxItems = maximum;
+
+  json.type = "array";
+  json.items = process(def.element, ctx as any, { ...params, path: [...params.path, "items"] });
+};
+
+export const objectProcessor: Processor<schemas.$ZodObject> = (schema, ctx, _json, params) => {
+  const json = _json as JSONSchema.ObjectSchema;
+  const def = schema._zod.def as schemas.$ZodObjectDef;
+  json.type = "object";
+  json.properties = {};
+  const shape = def.shape;
+
+  for (const key in shape) {
+    json.properties[key] = process(shape[key]!, ctx as any, {
+      ...params,
+      path: [...params.path, "properties", key],
+    });
+  }
+
+  // required keys
+  const allKeys = new Set(Object.keys(shape));
+  const requiredKeys = new Set(
+    [...allKeys].filter((key) => {
+      const v = def.shape[key]!._zod;
+      if (ctx.io === "input") {
+        return v.optin === undefined;
+      } else {
+        return v.optout === undefined;
+      }
+    })
+  );
+
+  if (requiredKeys.size > 0) {
+    json.required = Array.from(requiredKeys);
+  }
+
+  // catchall
+  if (def.catchall?._zod.def.type === "never") {
+    // strict
+    json.additionalProperties = false;
+  } else if (!def.catchall) {
+    // regular
+    if (ctx.io === "output") json.additionalProperties = false;
+  } else if (def.catchall) {
+    json.additionalProperties = process(def.catchall, ctx as any, {
+      ...params,
+      path: [...params.path, "additionalProperties"],
+    });
+  }
+};
+
+export const unionProcessor: Processor<schemas.$ZodUnion> = (schema, ctx, json, params) => {
+  const def = schema._zod.def as schemas.$ZodUnionDef;
+  // Exclusive unions (inclusive === false) use oneOf (exactly one match) instead of anyOf (one or more matches)
+  // This includes both z.xor() and discriminated unions
+  const isExclusive = def.inclusive === false;
+  const options = def.options.map((x, i) =>
+    process(x, ctx as any, {
+      ...params,
+      path: [...params.path, isExclusive ? "oneOf" : "anyOf", i],
+    })
+  );
+  if (isExclusive) {
+    json.oneOf = options;
+  } else {
+    json.anyOf = options;
+  }
+};
+
+export const intersectionProcessor: Processor<schemas.$ZodIntersection> = (schema, ctx, json, params) => {
+  const def = schema._zod.def as schemas.$ZodIntersectionDef;
+  const a = process(def.left, ctx as any, {
+    ...params,
+    path: [...params.path, "allOf", 0],
+  });
+  const b = process(def.right, ctx as any, {
+    ...params,
+    path: [...params.path, "allOf", 1],
+  });
+
+  const isSimpleIntersection = (val: any) => "allOf" in val && Object.keys(val).length === 1;
+  const allOf = [
+    ...(isSimpleIntersection(a) ? (a.allOf as any[]) : [a]),
+    ...(isSimpleIntersection(b) ? (b.allOf as any[]) : [b]),
+  ];
+  json.allOf = allOf;
+};
+
+export const tupleProcessor: Processor<schemas.$ZodTuple> = (schema, ctx, _json, params) => {
+  const json = _json as JSONSchema.ArraySchema;
+  const def = schema._zod.def as schemas.$ZodTupleDef;
+  json.type = "array";
+
+  const prefixPath = ctx.target === "draft-2020-12" ? "prefixItems" : "items";
+  const restPath =
+    ctx.target === "draft-2020-12" ? "items" : ctx.target === "openapi-3.0" ? "items" : "additionalItems";
+
+  const prefixItems = def.items.map((x, i) =>
+    process(x, ctx as any, {
+      ...params,
+      path: [...params.path, prefixPath, i],
+    })
+  );
+  const rest = def.rest
+    ? process(def.rest, ctx as any, {
+        ...params,
+        path: [...params.path, restPath, ...(ctx.target === "openapi-3.0" ? [def.items.length] : [])],
+      })
+    : null;
+
+  if (ctx.target === "draft-2020-12") {
+    json.prefixItems = prefixItems;
+    if (rest) {
+      json.items = rest;
+    }
+  } else if (ctx.target === "openapi-3.0") {
+    json.items = {
+      anyOf: prefixItems,
+    };
+
+    if (rest) {
+      json.items.anyOf!.push(rest);
+    }
+    json.minItems = prefixItems.length;
+    if (!rest) {
+      json.maxItems = prefixItems.length;
+    }
+  } else {
+    json.items = prefixItems;
+    if (rest) {
+      json.additionalItems = rest;
+    }
+  }
+
+  // length
+  const { minimum, maximum } = schema._zod.bag as {
+    minimum?: number;
+    maximum?: number;
+  };
+  if (typeof minimum === "number") json.minItems = minimum;
+  if (typeof maximum === "number") json.maxItems = maximum;
+};
+
+export const recordProcessor: Processor<schemas.$ZodRecord> = (schema, ctx, _json, params) => {
+  const json = _json as JSONSchema.ObjectSchema;
+  const def = schema._zod.def as schemas.$ZodRecordDef;
+  json.type = "object";
+
+  // For looseRecord with regex patterns, use patternProperties
+  // This correctly represents "only validate keys matching the pattern" semantics
+  // and composes well with allOf (intersections)
+  const keyType = def.keyType as schemas.$ZodTypes;
+  const keyBag = keyType._zod.bag as schemas.$ZodStringInternals<unknown>["bag"] | undefined;
+  const patterns = keyBag?.patterns;
+
+  if (def.mode === "loose" && patterns && patterns.size > 0) {
+    // Use patternProperties for looseRecord with regex patterns
+    const valueSchema = process(def.valueType, ctx as any, {
+      ...params,
+      path: [...params.path, "patternProperties", "*"],
+    });
+    json.patternProperties = {};
+    for (const pattern of patterns) {
+      json.patternProperties[pattern.source] = valueSchema;
+    }
+  } else {
+    // Default behavior: use propertyNames + additionalProperties
+    if (ctx.target === "draft-07" || ctx.target === "draft-2020-12") {
+      json.propertyNames = process(def.keyType, ctx as any, {
+        ...params,
+        path: [...params.path, "propertyNames"],
+      });
+    }
+    json.additionalProperties = process(def.valueType, ctx as any, {
+      ...params,
+      path: [...params.path, "additionalProperties"],
+    });
+  }
+
+  // Add required for keys with discrete values (enum, literal, etc.)
+  const keyValues = keyType._zod.values;
+  if (keyValues) {
+    const validKeyValues = [...keyValues].filter(
+      (v): v is string | number => typeof v === "string" || typeof v === "number"
+    );
+
+    if (validKeyValues.length > 0) {
+      json.required = validKeyValues as string[];
+    }
+  }
+};
+
+export const nullableProcessor: Processor<schemas.$ZodNullable> = (schema, ctx, json, params) => {
+  const def = schema._zod.def as schemas.$ZodNullableDef;
+  const inner = process(def.innerType, ctx as any, params);
+  const seen = ctx.seen.get(schema)!;
+  if (ctx.target === "openapi-3.0") {
+    seen.ref = def.innerType;
+    json.nullable = true;
+  } else {
+    json.anyOf = [inner, { type: "null" }];
+  }
+};
+
+export const nonoptionalProcessor: Processor<schemas.$ZodNonOptional> = (schema, ctx, _json, params) => {
+  const def = schema._zod.def as schemas.$ZodNonOptionalDef;
+  process(def.innerType, ctx as any, params);
+  const seen = ctx.seen.get(schema)!;
+  seen.ref = def.innerType;
+};
+
+export const defaultProcessor: Processor<schemas.$ZodDefault> = (schema, ctx, json, params) => {
+  const def = schema._zod.def as schemas.$ZodDefaultDef;
+  process(def.innerType, ctx as any, params);
+  const seen = ctx.seen.get(schema)!;
+  seen.ref = def.innerType;
+  json.default = JSON.parse(JSON.stringify(def.defaultValue));
+};
+
+export const prefaultProcessor: Processor<schemas.$ZodPrefault> = (schema, ctx, json, params) => {
+  const def = schema._zod.def as schemas.$ZodPrefaultDef;
+  process(def.innerType, ctx as any, params);
+  const seen = ctx.seen.get(schema)!;
+  seen.ref = def.innerType;
+  if (ctx.io === "input") json._prefault = JSON.parse(JSON.stringify(def.defaultValue));
+};
+
+export const catchProcessor: Processor<schemas.$ZodCatch> = (schema, ctx, json, params) => {
+  const def = schema._zod.def as schemas.$ZodCatchDef;
+  process(def.innerType, ctx as any, params);
+  const seen = ctx.seen.get(schema)!;
+  seen.ref = def.innerType;
+  let catchValue: any;
+  try {
+    catchValue = def.catchValue(undefined as any);
+  } catch {
+    throw new Error("Dynamic catch values are not supported in JSON Schema");
+  }
+  json.default = catchValue;
+};
+
+export const pipeProcessor: Processor<schemas.$ZodPipe> = (schema, ctx, _json, params) => {
+  const def = schema._zod.def as schemas.$ZodPipeDef;
+  const innerType = ctx.io === "input" ? (def.in._zod.def.type === "transform" ? def.out : def.in) : def.out;
+  process(innerType, ctx as any, params);
+  const seen = ctx.seen.get(schema)!;
+  seen.ref = innerType;
+};
+
+export const readonlyProcessor: Processor<schemas.$ZodReadonly> = (schema, ctx, json, params) => {
+  const def = schema._zod.def as schemas.$ZodReadonlyDef;
+  process(def.innerType, ctx as any, params);
+  const seen = ctx.seen.get(schema)!;
+  seen.ref = def.innerType;
+  json.readOnly = true;
+};
+
+export const promiseProcessor: Processor<schemas.$ZodPromise> = (schema, ctx, _json, params) => {
+  const def = schema._zod.def as schemas.$ZodPromiseDef;
+  process(def.innerType, ctx as any, params);
+  const seen = ctx.seen.get(schema)!;
+  seen.ref = def.innerType;
+};
+
+export const optionalProcessor: Processor<schemas.$ZodOptional> = (schema, ctx, _json, params) => {
+  const def = schema._zod.def as schemas.$ZodOptionalDef;
+  process(def.innerType, ctx as any, params);
+  const seen = ctx.seen.get(schema)!;
+  seen.ref = def.innerType;
+};
+
+export const lazyProcessor: Processor<schemas.$ZodLazy> = (schema, ctx, _json, params) => {
+  const innerType = (schema as schemas.$ZodLazy)._zod.innerType;
+  process(innerType, ctx as any, params);
+  const seen = ctx.seen.get(schema)!;
+  seen.ref = innerType;
+};
+
+// ==================== ALL PROCESSORS ====================
+
+export const allProcessors: Record<string, Processor<any>> = {
+  string: stringProcessor,
+  number: numberProcessor,
+  boolean: booleanProcessor,
+  bigint: bigintProcessor,
+  symbol: symbolProcessor,
+  null: nullProcessor,
+  undefined: undefinedProcessor,
+  void: voidProcessor,
+  never: neverProcessor,
+  any: anyProcessor,
+  unknown: unknownProcessor,
+  date: dateProcessor,
+  enum: enumProcessor,
+  literal: literalProcessor,
+  nan: nanProcessor,
+  template_literal: templateLiteralProcessor,
+  file: fileProcessor,
+  success: successProcessor,
+  custom: customProcessor,
+  function: functionProcessor,
+  transform: transformProcessor,
+  map: mapProcessor,
+  set: setProcessor,
+  array: arrayProcessor,
+  object: objectProcessor,
+  union: unionProcessor,
+  intersection: intersectionProcessor,
+  tuple: tupleProcessor,
+  record: recordProcessor,
+  nullable: nullableProcessor,
+  nonoptional: nonoptionalProcessor,
+  default: defaultProcessor,
+  prefault: prefaultProcessor,
+  catch: catchProcessor,
+  pipe: pipeProcessor,
+  readonly: readonlyProcessor,
+  promise: promiseProcessor,
+  optional: optionalProcessor,
+  lazy: lazyProcessor,
+};
+
+// ==================== TOP-LEVEL toJSONSchema ====================
+
+export function toJSONSchema<T extends schemas.$ZodType>(
+  schema: T,
+  params?: ToJSONSchemaParams
+): ZodStandardJSONSchemaPayload<T>;
+export function toJSONSchema(
+  registry: $ZodRegistry<{ id?: string | undefined }>,
+  params?: RegistryToJSONSchemaParams
+): { schemas: Record<string, ZodStandardJSONSchemaPayload<schemas.$ZodType>> };
+export function toJSONSchema(
+  input: schemas.$ZodType | $ZodRegistry<{ id?: string | undefined }>,
+  params?: ToJSONSchemaParams | RegistryToJSONSchemaParams
+): any {
+  if ("_idmap" in input) {
+    // Registry case
+    const registry = input as $ZodRegistry<{ id?: string | undefined }>;
+    const ctx = initializeContext({ ...params, processors: allProcessors });
+    const defs: any = {};
+
+    // First pass: process all schemas to build the seen map
+    for (const entry of registry._idmap.entries()) {
+      const [_, schema] = entry;
+      process(schema, ctx as any);
+    }
+
+    const schemas: Record<string, JSONSchema.BaseSchema> = {};
+    const external = {
+      registry,
+      uri: (params as RegistryToJSONSchemaParams)?.uri,
+      defs,
+    };
+
+    // Update the context with external configuration
+    ctx.external = external;
+
+    // Second pass: emit each schema
+    for (const entry of registry._idmap.entries()) {
+      const [key, schema] = entry;
+      extractDefs(ctx as any, schema);
+      schemas[key] = finalize(ctx as any, schema);
+    }
+
+    if (Object.keys(defs).length > 0) {
+      const defsSegment = ctx.target === "draft-2020-12" ? "$defs" : "definitions";
+      schemas.__shared = {
+        [defsSegment]: defs,
+      };
+    }
+
+    return { schemas };
+  }
+
+  // Single schema case
+  const ctx = initializeContext({ ...params, processors: allProcessors });
+  process(input, ctx as any);
+  extractDefs(ctx as any, input);
+  return finalize(ctx as any, input);
+}

mcp-server-ssh/node_modules/zod/src/v4/core/json-schema.ts

@@ -0,0 +1,147 @@
+export type Schema =
+  | ObjectSchema
+  | ArraySchema
+  | StringSchema
+  | NumberSchema
+  | IntegerSchema
+  | BooleanSchema
+  | NullSchema;
+
+// export type JsonType = "object" | "array" | "string" | "number" | "boolean" | "null" | "integer";
+
+// export interface JSONSchema {
+//   type?: string ;
+//   $id?: string ;
+//   id?: string ;
+//   $schema?: string ;
+//   $ref?: string ;
+//   $anchor?: string ;
+//   $defs?: { [key: string]: JSONSchema } ;
+//   definitions?: { [key: string]: JSONSchema } ;
+//   $comment?: string ;
+//   title?: string ;
+//   description?: string ;
+//   default?: unknown ;
+//   examples?: unknown[] ;
+//   readOnly?: boolean ;
+//   writeOnly?: boolean ;
+//   deprecated?: boolean ;
+//   allOf?: JSONSchema[] ;
+//   anyOf?: JSONSchema[] ;
+//   oneOf?: JSONSchema[] ;
+//   not?: JSONSchema ;
+//   if?: JSONSchema ;
+//   then?: JSONSchema ;
+//   else?: JSONSchema ;
+//   enum?: Array<string | number | boolean | null> ;
+//   const?: string | number | boolean | null ;
+//   [k: string]: unknown;
+
+//   /** A special key used as an intermediate representation of extends-style relationships. Omitted as a $ref with additional properties. */
+//   // _ref?: JSONSchema;
+//   _prefault?: unknown ;
+// }
+
+export type _JSONSchema = boolean | JSONSchema;
+export type JSONSchema = {
+  [k: string]: unknown;
+  $schema?:
+    | "https://json-schema.org/draft/2020-12/schema"
+    | "http://json-schema.org/draft-07/schema#"
+    | "http://json-schema.org/draft-04/schema#";
+  $id?: string;
+  $anchor?: string;
+  $ref?: string;
+  $dynamicRef?: string;
+  $dynamicAnchor?: string;
+  $vocabulary?: Record<string, boolean>;
+  $comment?: string;
+  $defs?: Record<string, JSONSchema>;
+  type?: "object" | "array" | "string" | "number" | "boolean" | "null" | "integer";
+  additionalItems?: _JSONSchema;
+  unevaluatedItems?: _JSONSchema;
+  prefixItems?: _JSONSchema[];
+  items?: _JSONSchema | _JSONSchema[];
+  contains?: _JSONSchema;
+  additionalProperties?: _JSONSchema;
+  unevaluatedProperties?: _JSONSchema;
+  properties?: Record<string, _JSONSchema>;
+  patternProperties?: Record<string, _JSONSchema>;
+  dependentSchemas?: Record<string, _JSONSchema>;
+  propertyNames?: _JSONSchema;
+  if?: _JSONSchema;
+  then?: _JSONSchema;
+  else?: _JSONSchema;
+  allOf?: JSONSchema[];
+  anyOf?: JSONSchema[];
+  oneOf?: JSONSchema[];
+  not?: _JSONSchema;
+  multipleOf?: number;
+  maximum?: number;
+  exclusiveMaximum?: number | boolean;
+  minimum?: number;
+  exclusiveMinimum?: number | boolean;
+  maxLength?: number;
+  minLength?: number;
+  pattern?: string;
+  maxItems?: number;
+  minItems?: number;
+  uniqueItems?: boolean;
+  maxContains?: number;
+  minContains?: number;
+  maxProperties?: number;
+  minProperties?: number;
+  required?: string[];
+  dependentRequired?: Record<string, string[]>;
+  enum?: Array<string | number | boolean | null>;
+  const?: string | number | boolean | null;
+
+  // metadata
+  id?: string;
+  title?: string;
+  description?: string;
+  default?: unknown;
+  deprecated?: boolean;
+  readOnly?: boolean;
+  writeOnly?: boolean;
+  nullable?: boolean;
+  examples?: unknown[];
+  format?: string;
+  contentMediaType?: string;
+  contentEncoding?: string;
+  contentSchema?: JSONSchema;
+
+  // internal
+  _prefault?: unknown;
+};
+
+// for backwards compatibility
+export type BaseSchema = JSONSchema;
+
+export interface ObjectSchema extends JSONSchema {
+  type: "object";
+}
+
+export interface ArraySchema extends JSONSchema {
+  type: "array";
+}
+
+export interface StringSchema extends JSONSchema {
+  type: "string";
+}
+
+export interface NumberSchema extends JSONSchema {
+  type: "number";
+}
+
+export interface IntegerSchema extends JSONSchema {
+  type: "integer";
+}
+
+export interface BooleanSchema extends JSONSchema {
+  type: "boolean";
+}
+
+export interface NullSchema extends JSONSchema {
+  type: "null";
+}

mcp-server-ssh/node_modules/zod/src/v4/core/parse.ts

@@ -0,0 +1,195 @@
+import * as core from "./core.js";
+import * as errors from "./errors.js";
+import type * as schemas from "./schemas.js";
+import * as util from "./util.js";
+
+export type $ZodErrorClass = { new (issues: errors.$ZodIssue[]): errors.$ZodError };
+
+///////////        METHODS       ///////////
+export type $Parse = <T extends schemas.$ZodType>(
+  schema: T,
+  value: unknown,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>,
+  _params?: { callee?: util.AnyFunc; Err?: $ZodErrorClass }
+) => core.output<T>;
+
+export const _parse: (_Err: $ZodErrorClass) => $Parse = (_Err) => (schema, value, _ctx, _params) => {
+  const ctx: schemas.ParseContextInternal = _ctx ? Object.assign(_ctx, { async: false }) : { async: false };
+  const result = schema._zod.run({ value, issues: [] }, ctx);
+  if (result instanceof Promise) {
+    throw new core.$ZodAsyncError();
+  }
+  if (result.issues.length) {
+    const e = new (_params?.Err ?? _Err)(result.issues.map((iss) => util.finalizeIssue(iss, ctx, core.config())));
+    util.captureStackTrace(e, _params?.callee);
+    throw e;
+  }
+  return result.value as core.output<typeof schema>;
+};
+
+export const parse: $Parse = /* @__PURE__*/ _parse(errors.$ZodRealError);
+
+export type $ParseAsync = <T extends schemas.$ZodType>(
+  schema: T,
+  value: unknown,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>,
+  _params?: { callee?: util.AnyFunc; Err?: $ZodErrorClass }
+) => Promise<core.output<T>>;
+
+export const _parseAsync: (_Err: $ZodErrorClass) => $ParseAsync = (_Err) => async (schema, value, _ctx, params) => {
+  const ctx: schemas.ParseContextInternal = _ctx ? Object.assign(_ctx, { async: true }) : { async: true };
+  let result = schema._zod.run({ value, issues: [] }, ctx);
+  if (result instanceof Promise) result = await result;
+  if (result.issues.length) {
+    const e = new (params?.Err ?? _Err)(result.issues.map((iss) => util.finalizeIssue(iss, ctx, core.config())));
+    util.captureStackTrace(e, params?.callee);
+    throw e;
+  }
+  return result.value as core.output<typeof schema>;
+};
+
+export const parseAsync: $ParseAsync = /* @__PURE__*/ _parseAsync(errors.$ZodRealError);
+
+export type $SafeParse = <T extends schemas.$ZodType>(
+  schema: T,
+  value: unknown,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>
+) => util.SafeParseResult<core.output<T>>;
+
+export const _safeParse: (_Err: $ZodErrorClass) => $SafeParse = (_Err) => (schema, value, _ctx) => {
+  const ctx: schemas.ParseContextInternal = _ctx ? { ..._ctx, async: false } : { async: false };
+  const result = schema._zod.run({ value, issues: [] }, ctx);
+  if (result instanceof Promise) {
+    throw new core.$ZodAsyncError();
+  }
+
+  return result.issues.length
+    ? {
+        success: false,
+        error: new (_Err ?? errors.$ZodError)(result.issues.map((iss) => util.finalizeIssue(iss, ctx, core.config()))),
+      }
+    : ({ success: true, data: result.value } as any);
+};
+export const safeParse: $SafeParse = /* @__PURE__*/ _safeParse(errors.$ZodRealError);
+
+export type $SafeParseAsync = <T extends schemas.$ZodType>(
+  schema: T,
+  value: unknown,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>
+) => Promise<util.SafeParseResult<core.output<T>>>;
+
+export const _safeParseAsync: (_Err: $ZodErrorClass) => $SafeParseAsync = (_Err) => async (schema, value, _ctx) => {
+  const ctx: schemas.ParseContextInternal = _ctx ? Object.assign(_ctx, { async: true }) : { async: true };
+  let result = schema._zod.run({ value, issues: [] }, ctx);
+  if (result instanceof Promise) result = await result;
+
+  return result.issues.length
+    ? {
+        success: false,
+        error: new _Err(result.issues.map((iss) => util.finalizeIssue(iss, ctx, core.config()))),
+      }
+    : ({ success: true, data: result.value } as any);
+};
+
+export const safeParseAsync: $SafeParseAsync = /* @__PURE__*/ _safeParseAsync(errors.$ZodRealError);
+
+// Codec functions
+export type $Encode = <T extends schemas.$ZodType>(
+  schema: T,
+  value: core.output<T>,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>
+) => core.input<T>;
+
+export const _encode: (_Err: $ZodErrorClass) => $Encode = (_Err) => (schema, value, _ctx) => {
+  const ctx = _ctx ? Object.assign(_ctx, { direction: "backward" as const }) : { direction: "backward" as const };
+  return _parse(_Err)(schema, value, ctx as any) as any;
+};
+
+export const encode: $Encode = /* @__PURE__*/ _encode(errors.$ZodRealError);
+
+export type $Decode = <T extends schemas.$ZodType>(
+  schema: T,
+  value: core.input<T>,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>
+) => core.output<T>;
+
+export const _decode: (_Err: $ZodErrorClass) => $Decode = (_Err) => (schema, value, _ctx) => {
+  return _parse(_Err)(schema, value, _ctx);
+};
+
+export const decode: $Decode = /* @__PURE__*/ _decode(errors.$ZodRealError);
+
+export type $EncodeAsync = <T extends schemas.$ZodType>(
+  schema: T,
+  value: core.output<T>,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>
+) => Promise<core.input<T>>;
+
+export const _encodeAsync: (_Err: $ZodErrorClass) => $EncodeAsync = (_Err) => async (schema, value, _ctx) => {
+  const ctx = _ctx ? Object.assign(_ctx, { direction: "backward" as const }) : { direction: "backward" as const };
+  return _parseAsync(_Err)(schema, value, ctx as any) as any;
+};
+
+export const encodeAsync: $EncodeAsync = /* @__PURE__*/ _encodeAsync(errors.$ZodRealError);
+
+export type $DecodeAsync = <T extends schemas.$ZodType>(
+  schema: T,
+  value: core.input<T>,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>
+) => Promise<core.output<T>>;
+
+export const _decodeAsync: (_Err: $ZodErrorClass) => $DecodeAsync = (_Err) => async (schema, value, _ctx) => {
+  return _parseAsync(_Err)(schema, value, _ctx);
+};
+
+export const decodeAsync: $DecodeAsync = /* @__PURE__*/ _decodeAsync(errors.$ZodRealError);
+
+export type $SafeEncode = <T extends schemas.$ZodType>(
+  schema: T,
+  value: core.output<T>,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>
+) => util.SafeParseResult<core.input<T>>;
+
+export const _safeEncode: (_Err: $ZodErrorClass) => $SafeEncode = (_Err) => (schema, value, _ctx) => {
+  const ctx = _ctx ? Object.assign(_ctx, { direction: "backward" as const }) : { direction: "backward" as const };
+  return _safeParse(_Err)(schema, value, ctx as any) as any;
+};
+
+export const safeEncode: $SafeEncode = /* @__PURE__*/ _safeEncode(errors.$ZodRealError);
+
+export type $SafeDecode = <T extends schemas.$ZodType>(
+  schema: T,
+  value: core.input<T>,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>
+) => util.SafeParseResult<core.output<T>>;
+
+export const _safeDecode: (_Err: $ZodErrorClass) => $SafeDecode = (_Err) => (schema, value, _ctx) => {
+  return _safeParse(_Err)(schema, value, _ctx);
+};
+
+export const safeDecode: $SafeDecode = /* @__PURE__*/ _safeDecode(errors.$ZodRealError);
+
+export type $SafeEncodeAsync = <T extends schemas.$ZodType>(
+  schema: T,
+  value: core.output<T>,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>
+) => Promise<util.SafeParseResult<core.input<T>>>;
+
+export const _safeEncodeAsync: (_Err: $ZodErrorClass) => $SafeEncodeAsync = (_Err) => async (schema, value, _ctx) => {
+  const ctx = _ctx ? Object.assign(_ctx, { direction: "backward" as const }) : { direction: "backward" as const };
+  return _safeParseAsync(_Err)(schema, value, ctx as any) as any;
+};
+
+export const safeEncodeAsync: $SafeEncodeAsync = /* @__PURE__*/ _safeEncodeAsync(errors.$ZodRealError);
+
+export type $SafeDecodeAsync = <T extends schemas.$ZodType>(
+  schema: T,
+  value: core.input<T>,
+  _ctx?: schemas.ParseContext<errors.$ZodIssue>
+) => Promise<util.SafeParseResult<core.output<T>>>;
+
+export const _safeDecodeAsync: (_Err: $ZodErrorClass) => $SafeDecodeAsync = (_Err) => async (schema, value, _ctx) => {
+  return _safeParseAsync(_Err)(schema, value, _ctx);
+};
+
+export const safeDecodeAsync: $SafeDecodeAsync = /* @__PURE__*/ _safeDecodeAsync(errors.$ZodRealError);

mcp-server-ssh/node_modules/zod/src/v4/core/regexes.ts

@@ -0,0 +1,183 @@
+import * as util from "./util.js";
+
+export const cuid: RegExp = /^[cC][^\s-]{8,}$/;
+export const cuid2: RegExp = /^[0-9a-z]+$/;
+export const ulid: RegExp = /^[0-9A-HJKMNP-TV-Za-hjkmnp-tv-z]{26}$/;
+export const xid: RegExp = /^[0-9a-vA-V]{20}$/;
+export const ksuid: RegExp = /^[A-Za-z0-9]{27}$/;
+export const nanoid: RegExp = /^[a-zA-Z0-9_-]{21}$/;
+
+/** ISO 8601-1 duration regex. Does not support the 8601-2 extensions like negative durations or fractional/negative components. */
+export const duration: RegExp =
+  /^P(?:(\d+W)|(?!.*W)(?=\d|T\d)(\d+Y)?(\d+M)?(\d+D)?(T(?=\d)(\d+H)?(\d+M)?(\d+([.,]\d+)?S)?)?)$/;
+
+/** Implements ISO 8601-2 extensions like explicit +- prefixes, mixing weeks with other units, and fractional/negative components. */
+export const extendedDuration: RegExp =
+  /^[-+]?P(?!$)(?:(?:[-+]?\d+Y)|(?:[-+]?\d+[.,]\d+Y$))?(?:(?:[-+]?\d+M)|(?:[-+]?\d+[.,]\d+M$))?(?:(?:[-+]?\d+W)|(?:[-+]?\d+[.,]\d+W$))?(?:(?:[-+]?\d+D)|(?:[-+]?\d+[.,]\d+D$))?(?:T(?=[\d+-])(?:(?:[-+]?\d+H)|(?:[-+]?\d+[.,]\d+H$))?(?:(?:[-+]?\d+M)|(?:[-+]?\d+[.,]\d+M$))?(?:[-+]?\d+(?:[.,]\d+)?S)?)??$/;
+
+/** A regex for any UUID-like identifier: 8-4-4-4-12 hex pattern */
+export const guid: RegExp = /^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})$/;
+
+/** Returns a regex for validating an RFC 9562/4122 UUID.
+ *
+ * @param version Optionally specify a version 1-8. If no version is specified, all versions are supported. */
+export const uuid = (version?: number | undefined): RegExp => {
+  if (!version)
+    return /^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/;
+  return new RegExp(
+    `^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-${version}[0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12})$`
+  );
+};
+export const uuid4: RegExp = /*@__PURE__*/ uuid(4);
+export const uuid6: RegExp = /*@__PURE__*/ uuid(6);
+export const uuid7: RegExp = /*@__PURE__*/ uuid(7);
+
+/** Practical email validation */
+export const email: RegExp =
+  /^(?!\.)(?!.*\.\.)([A-Za-z0-9_'+\-\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\-]*\.)+[A-Za-z]{2,}$/;
+
+/** Equivalent to the HTML5 input[type=email] validation implemented by browsers. Source: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/email */
+export const html5Email: RegExp =
+  /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;
+
+/** The classic emailregex.com regex for RFC 5322-compliant emails */
+export const rfc5322Email =
+  /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
+
+/** A loose regex that allows Unicode characters, enforces length limits, and that's about it. */
+export const unicodeEmail = /^[^\s@"]{1,64}@[^\s@]{1,255}$/u;
+export const idnEmail = unicodeEmail;
+
+export const browserEmail: RegExp =
+  /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;
+// from https://thekevinscott.com/emojis-in-javascript/#writing-a-regular-expression
+
+const _emoji: string = `^(\\p{Extended_Pictographic}|\\p{Emoji_Component})+$`;
+export function emoji(): RegExp {
+  return new RegExp(_emoji, "u");
+}
+
+export const ipv4: RegExp =
+  /^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$/;
+export const ipv6: RegExp =
+  /^(([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:))$/;
+export const mac = (delimiter?: string): RegExp => {
+  const escapedDelim = util.escapeRegex(delimiter ?? ":");
+  return new RegExp(`^(?:[0-9A-F]{2}${escapedDelim}){5}[0-9A-F]{2}$|^(?:[0-9a-f]{2}${escapedDelim}){5}[0-9a-f]{2}$`);
+};
+export const cidrv4: RegExp =
+  /^((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\/([0-9]|[1-2][0-9]|3[0-2])$/;
+export const cidrv6: RegExp =
+  /^(([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}|::|([0-9a-fA-F]{1,4})?::([0-9a-fA-F]{1,4}:?){0,6})\/(12[0-8]|1[01][0-9]|[1-9]?[0-9])$/;
+
+// https://stackoverflow.com/questions/7860392/determine-if-string-is-in-base64-using-javascript
+export const base64: RegExp = /^$|^(?:[0-9a-zA-Z+/]{4})*(?:(?:[0-9a-zA-Z+/]{2}==)|(?:[0-9a-zA-Z+/]{3}=))?$/;
+export const base64url: RegExp = /^[A-Za-z0-9_-]*$/;
+
+// based on https://stackoverflow.com/questions/106179/regular-expression-to-match-dns-hostname-or-ip-address
+// export const hostname: RegExp = /^([a-zA-Z0-9-]+\.)*[a-zA-Z0-9-]+$/;
+export const hostname: RegExp =
+  /^(?=.{1,253}\.?$)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[-0-9a-zA-Z]{0,61}[0-9a-zA-Z])?)*\.?$/;
+
+export const domain: RegExp = /^([a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,}$/;
+
+// https://blog.stevenlevithan.com/archives/validate-phone-number#r4-3 (regex sans spaces)
+// E.164: leading digit must be 1-9; total digits (excluding '+') between 7-15
+export const e164: RegExp = /^\+[1-9]\d{6,14}$/;
+
+// const dateSource = `((\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-((0[13578]|1[02])-(0[1-9]|[12]\\d|3[01])|(0[469]|11)-(0[1-9]|[12]\\d|30)|(02)-(0[1-9]|1\\d|2[0-8])))`;
+const dateSource = `(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))`;
+export const date: RegExp = /*@__PURE__*/ new RegExp(`^${dateSource}$`);
+
+function timeSource(args: { precision?: number | null | undefined }) {
+  const hhmm = `(?:[01]\\d|2[0-3]):[0-5]\\d`;
+  const regex =
+    typeof args.precision === "number"
+      ? args.precision === -1
+        ? `${hhmm}`
+        : args.precision === 0
+          ? `${hhmm}:[0-5]\\d`
+          : `${hhmm}:[0-5]\\d\\.\\d{${args.precision}}`
+      : `${hhmm}(?::[0-5]\\d(?:\\.\\d+)?)?`;
+  return regex;
+}
+export function time(args: {
+  precision?: number | null;
+  // local?: boolean;
+}): RegExp {
+  return new RegExp(`^${timeSource(args)}$`);
+}
+
+// Adapted from https://stackoverflow.com/a/3143231
+export function datetime(args: {
+  precision?: number | null;
+  offset?: boolean;
+  local?: boolean;
+}): RegExp {
+  const time = timeSource({ precision: args.precision });
+  const opts = ["Z"];
+  if (args.local) opts.push("");
+  // if (args.offset) opts.push(`([+-]\\d{2}:\\d{2})`);
+  if (args.offset) opts.push(`([+-](?:[01]\\d|2[0-3]):[0-5]\\d)`);
+  const timeRegex = `${time}(?:${opts.join("|")})`;
+
+  return new RegExp(`^${dateSource}T(?:${timeRegex})$`);
+}
+
+export const string = (params?: { minimum?: number | undefined; maximum?: number | undefined }): RegExp => {
+  const regex = params ? `[\\s\\S]{${params?.minimum ?? 0},${params?.maximum ?? ""}}` : `[\\s\\S]*`;
+  return new RegExp(`^${regex}$`);
+};
+
+export const bigint: RegExp = /^-?\d+n?$/;
+export const integer: RegExp = /^-?\d+$/;
+export const number: RegExp = /^-?\d+(?:\.\d+)?$/;
+export const boolean: RegExp = /^(?:true|false)$/i;
+const _null: RegExp = /^null$/i;
+export { _null as null };
+const _undefined: RegExp = /^undefined$/i;
+export { _undefined as undefined };
+
+// regex for string with no uppercase letters
+export const lowercase: RegExp = /^[^A-Z]*$/;
+// regex for string with no lowercase letters
+export const uppercase: RegExp = /^[^a-z]*$/;
+
+// regex for hexadecimal strings (any length)
+export const hex: RegExp = /^[0-9a-fA-F]*$/;
+
+// Hash regexes for different algorithms and encodings
+// Helper function to create base64 regex with exact length and padding
+function fixedBase64(bodyLength: number, padding: "" | "=" | "=="): RegExp {
+  return new RegExp(`^[A-Za-z0-9+/]{${bodyLength}}${padding}$`);
+}
+
+// Helper function to create base64url regex with exact length (no padding)
+function fixedBase64url(length: number): RegExp {
+  return new RegExp(`^[A-Za-z0-9_-]{${length}}$`);
+}
+
+// MD5 (16 bytes): base64 = 24 chars total (22 + "==")
+export const md5_hex: RegExp = /^[0-9a-fA-F]{32}$/;
+export const md5_base64: RegExp = /*@__PURE__*/ fixedBase64(22, "==");
+export const md5_base64url: RegExp = /*@__PURE__*/ fixedBase64url(22);
+
+// SHA1 (20 bytes): base64 = 28 chars total (27 + "=")
+export const sha1_hex: RegExp = /^[0-9a-fA-F]{40}$/;
+export const sha1_base64: RegExp = /*@__PURE__*/ fixedBase64(27, "=");
+export const sha1_base64url: RegExp = /*@__PURE__*/ fixedBase64url(27);
+
+// SHA256 (32 bytes): base64 = 44 chars total (43 + "=")
+export const sha256_hex: RegExp = /^[0-9a-fA-F]{64}$/;
+export const sha256_base64: RegExp = /*@__PURE__*/ fixedBase64(43, "=");
+export const sha256_base64url: RegExp = /*@__PURE__*/ fixedBase64url(43);
+
+// SHA384 (48 bytes): base64 = 64 chars total (no padding)
+export const sha384_hex: RegExp = /^[0-9a-fA-F]{96}$/;
+export const sha384_base64: RegExp = /*@__PURE__*/ fixedBase64(64, "");
+export const sha384_base64url: RegExp = /*@__PURE__*/ fixedBase64url(64);
+
+// SHA512 (64 bytes): base64 = 88 chars total (86 + "==")
+export const sha512_hex: RegExp = /^[0-9a-fA-F]{128}$/;
+export const sha512_base64: RegExp = /*@__PURE__*/ fixedBase64(86, "==");
+export const sha512_base64url: RegExp = /*@__PURE__*/ fixedBase64url(86);

mcp-server-ssh/node_modules/zod/src/v4/core/registries.ts

@@ -0,0 +1,105 @@
+import type * as core from "./core.js";
+import type { $ZodType } from "./schemas.js";
+
+export const $output: unique symbol = Symbol("ZodOutput");
+export type $output = typeof $output;
+export const $input: unique symbol = Symbol("ZodInput");
+export type $input = typeof $input;
+
+export type $replace<Meta, S extends $ZodType> = Meta extends $output
+  ? core.output<S>
+  : Meta extends $input
+    ? core.input<S>
+    : Meta extends (infer M)[]
+      ? $replace<M, S>[]
+      : Meta extends (...args: infer P) => infer R
+        ? (
+            ...args: {
+              [K in keyof P]: $replace<P[K], S>; // tuple
+            }
+          ) => $replace<R, S>
+        : // handle objects
+          Meta extends object
+          ? { [K in keyof Meta]: $replace<Meta[K], S> }
+          : Meta;
+
+type MetadataType = object | undefined;
+export class $ZodRegistry<Meta extends MetadataType = MetadataType, Schema extends $ZodType = $ZodType> {
+  _meta!: Meta;
+  _schema!: Schema;
+  _map: WeakMap<Schema, $replace<Meta, Schema>> = new WeakMap();
+  _idmap: Map<string, Schema> = new Map();
+
+  add<S extends Schema>(
+    schema: S,
+    ..._meta: undefined extends Meta ? [$replace<Meta, S>?] : [$replace<Meta, S>]
+  ): this {
+    const meta: any = _meta[0];
+    this._map.set(schema, meta!);
+    if (meta && typeof meta === "object" && "id" in meta) {
+      this._idmap.set(meta.id!, schema);
+    }
+    return this as any;
+  }
+
+  clear(): this {
+    this._map = new WeakMap();
+    this._idmap = new Map();
+    return this;
+  }
+
+  remove(schema: Schema): this {
+    const meta: any = this._map.get(schema);
+    if (meta && typeof meta === "object" && "id" in meta) {
+      this._idmap.delete(meta.id!);
+    }
+    this._map.delete(schema);
+    return this;
+  }
+
+  get<S extends Schema>(schema: S): $replace<Meta, S> | undefined {
+    // return this._map.get(schema) as any;
+
+    // inherit metadata
+    const p = schema._zod.parent as Schema;
+    if (p) {
+      const pm: any = { ...(this.get(p) ?? {}) };
+      delete pm.id; // do not inherit id
+      const f = { ...pm, ...this._map.get(schema) } as any;
+      return Object.keys(f).length ? f : undefined;
+    }
+    return this._map.get(schema) as any;
+  }
+
+  has(schema: Schema): boolean {
+    return this._map.has(schema);
+  }
+}
+
+export interface JSONSchemaMeta {
+  id?: string | undefined;
+  title?: string | undefined;
+  description?: string | undefined;
+  deprecated?: boolean | undefined;
+  [k: string]: unknown;
+}
+
+export interface GlobalMeta extends JSONSchemaMeta {}
+
+// registries
+export function registry<T extends MetadataType = MetadataType, S extends $ZodType = $ZodType>(): $ZodRegistry<T, S> {
+  return new $ZodRegistry<T, S>();
+}
+
+interface GlobalThisWithRegistry {
+  /**
+   * The globalRegistry instance shared across both CommonJS and ESM builds.
+   * By attaching the registry to `globalThis`, this property ensures a single, deduplicated instance
+   * is used regardless of whether the package is loaded via `require` (CJS) or `import` (ESM).
+   * This prevents dual package hazards and keeps registry state consistent.
+   */
+  __zod_globalRegistry?: $ZodRegistry<GlobalMeta>;
+}
+
+(globalThis as GlobalThisWithRegistry).__zod_globalRegistry ??= registry<GlobalMeta>();
+export const globalRegistry: $ZodRegistry<GlobalMeta> = (globalThis as GlobalThisWithRegistry).__zod_globalRegistry!;

mcp-server-ssh/node_modules/zod/src/v4/core/standard-schema.ts

@@ -0,0 +1,159 @@
+/** The Standard interface. */
+export interface StandardTypedV1<Input = unknown, Output = Input> {
+  /** The Standard properties. */
+  readonly "~standard": StandardTypedV1.Props<Input, Output>;
+}
+
+export declare namespace StandardTypedV1 {
+  /** The Standard properties interface. */
+  export interface Props<Input = unknown, Output = Input> {
+    /** The version number of the standard. */
+    readonly version: 1;
+    /** The vendor name of the schema library. */
+    readonly vendor: string;
+    /** Inferred types associated with the schema. */
+    readonly types?: Types<Input, Output> | undefined;
+  }
+
+  /** The Standard types interface. */
+  export interface Types<Input = unknown, Output = Input> {
+    /** The input type of the schema. */
+    readonly input: Input;
+    /** The output type of the schema. */
+    readonly output: Output;
+  }
+
+  /** Infers the input type of a Standard. */
+  export type InferInput<Schema extends StandardTypedV1> = NonNullable<Schema["~standard"]["types"]>["input"];
+
+  /** Infers the output type of a Standard. */
+  export type InferOutput<Schema extends StandardTypedV1> = NonNullable<Schema["~standard"]["types"]>["output"];
+}
+
+/** The Standard Schema interface. */
+export interface StandardSchemaV1<Input = unknown, Output = Input> {
+  /** The Standard Schema properties. */
+  readonly "~standard": StandardSchemaV1.Props<Input, Output>;
+}
+
+export declare namespace StandardSchemaV1 {
+  /** The Standard Schema properties interface. */
+  export interface Props<Input = unknown, Output = Input> extends StandardTypedV1.Props<Input, Output> {
+    /** Validates unknown input values. */
+    readonly validate: (
+      value: unknown,
+      options?: StandardSchemaV1.Options | undefined
+    ) => Result<Output> | Promise<Result<Output>>;
+  }
+
+  /** The result interface of the validate function. */
+  export type Result<Output> = SuccessResult<Output> | FailureResult;
+
+  /** The result interface if validation succeeds. */
+  export interface SuccessResult<Output> {
+    /** The typed output value. */
+    readonly value: Output;
+    /** The absence of issues indicates success. */
+    readonly issues?: undefined;
+  }
+
+  export interface Options {
+    /** Implicit support for additional vendor-specific parameters, if needed. */
+    readonly libraryOptions?: Record<string, unknown> | undefined;
+  }
+
+  /** The result interface if validation fails. */
+  export interface FailureResult {
+    /** The issues of failed validation. */
+    readonly issues: ReadonlyArray<Issue>;
+  }
+
+  /** The issue interface of the failure output. */
+  export interface Issue {
+    /** The error message of the issue. */
+    readonly message: string;
+    /** The path of the issue, if any. */
+    readonly path?: ReadonlyArray<PropertyKey | PathSegment> | undefined;
+  }
+
+  /** The path segment interface of the issue. */
+  export interface PathSegment {
+    /** The key representing a path segment. */
+    readonly key: PropertyKey;
+  }
+
+  /** The Standard types interface. */
+  export interface Types<Input = unknown, Output = Input> extends StandardTypedV1.Types<Input, Output> {}
+
+  /** Infers the input type of a Standard. */
+  export type InferInput<Schema extends StandardTypedV1> = StandardTypedV1.InferInput<Schema>;
+
+  /** Infers the output type of a Standard. */
+  export type InferOutput<Schema extends StandardTypedV1> = StandardTypedV1.InferOutput<Schema>;
+}
+
+/** The Standard JSON Schema interface. */
+export interface StandardJSONSchemaV1<Input = unknown, Output = Input> {
+  /** The Standard JSON Schema properties. */
+  readonly "~standard": StandardJSONSchemaV1.Props<Input, Output>;
+}
+
+export declare namespace StandardJSONSchemaV1 {
+  /** The Standard JSON Schema properties interface. */
+  export interface Props<Input = unknown, Output = Input> extends StandardTypedV1.Props<Input, Output> {
+    /** Methods for generating the input/output JSON Schema. */
+    readonly jsonSchema: Converter;
+  }
+
+  /** The Standard JSON Schema converter interface. */
+  export interface Converter {
+    /** Converts the input type to JSON Schema. May throw if conversion is not supported. */
+    readonly input: (options: StandardJSONSchemaV1.Options) => Record<string, unknown>;
+    /** Converts the output type to JSON Schema. May throw if conversion is not supported. */
+    readonly output: (options: StandardJSONSchemaV1.Options) => Record<string, unknown>;
+  }
+
+  /** The target version of the generated JSON Schema.
+   *
+   * It is *strongly recommended* that implementers support `"draft-2020-12"` and `"draft-07"`, as they are both in wide use.
+   *
+   * The `"openapi-3.0"` target is intended as a standardized specifier for OpenAPI 3.0 which is a superset of JSON Schema `"draft-04"`.
+   *
+   * All other targets can be implemented on a best-effort basis. Libraries should throw if they don't support a specified target.
+   */
+  export type Target =
+    | "draft-2020-12"
+    | "draft-07"
+    | "openapi-3.0"
+    // Accepts any string for future targets while preserving autocomplete
+    | ({} & string);
+
+  /** The options for the input/output methods. */
+  export interface Options {
+    /** Specifies the target version of the generated JSON Schema. Support for all versions is on a best-effort basis. If a given version is not supported, the library should throw. */
+    readonly target: Target;
+
+    /** Implicit support for additional vendor-specific parameters, if needed. */
+    readonly libraryOptions?: Record<string, unknown> | undefined;
+  }
+
+  /** The Standard types interface. */
+  export interface Types<Input = unknown, Output = Input> extends StandardTypedV1.Types<Input, Output> {}
+
+  /** Infers the input type of a Standard. */
+  export type InferInput<Schema extends StandardTypedV1> = StandardTypedV1.InferInput<Schema>;
+
+  /** Infers the output type of a Standard. */
+  export type InferOutput<Schema extends StandardTypedV1> = StandardTypedV1.InferOutput<Schema>;
+}
+
+export interface StandardSchemaWithJSONProps<Input = unknown, Output = Input>
+  extends StandardSchemaV1.Props<Input, Output>,
+    StandardJSONSchemaV1.Props<Input, Output> {}
+
+/**
+ * An interface that combines StandardJSONSchema and StandardSchema.
+ */
+export interface StandardSchemaWithJSON<Input = unknown, Output = Input> {
+  "~standard": StandardSchemaWithJSONProps<Input, Output>;
+}

mcp-server-ssh/node_modules/zod/src/v4/core/tests/extend.test.ts

@@ -0,0 +1,59 @@
+import { expect, test } from "vitest";
+import * as z from "zod/v4";
+
+test("safeExtend chaining preserves and overrides properties", () => {
+  const schema1 = z.object({
+    email: z.string(),
+  });
+
+  const schema2 = schema1.safeExtend({
+    email: schema1.shape.email.check(z.email()),
+  });
+
+  const schema3 = schema2.safeExtend({
+    email: schema2.shape.email.or(z.literal("")),
+  });
+
+  schema3.parse({ email: "test@example.com" });
+});
+
+test("extend with constructor field in shape", () => {
+  const baseSchema = z.object({
+    name: z.string(),
+  });
+
+  const extendedSchema = baseSchema.extend({
+    constructor: z.string(),
+    age: z.number(),
+  });
+
+  const result = extendedSchema.parse({
+    name: "John",
+    constructor: "Person",
+    age: 30,
+  });
+
+  expect(result).toEqual({
+    name: "John",
+    constructor: "Person",
+    age: 30,
+  });
+
+  const testCases = [
+    { name: "Test", constructor: 123, age: 25 },
+    { name: "Test", constructor: null, age: 25 },
+    { name: "Test", constructor: true, age: 25 },
+    { name: "Test", constructor: {}, age: 25 },
+  ];
+
+  for (const testCase of testCases) {
+    const anyConstructorSchema = baseSchema.extend({
+      constructor: z.any(),
+      age: z.number(),
+    });
+
+    expect(() => anyConstructorSchema.parse(testCase)).not.toThrow();
+    const parsed = anyConstructorSchema.parse(testCase);
+    expect(parsed).toEqual(testCase);
+  }
+});

mcp-server-ssh/node_modules/zod/src/v4/core/tests/index.test.ts

@@ -0,0 +1,46 @@
+import { expect, expectTypeOf, test } from "vitest";
+import * as z from "zod/v3";
+
+test("test", () => {
+  expect(true).toBe(true);
+});
+
+test("test2", () => {
+  expect(() => z.string().parse(234)).toThrowErrorMatchingInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "invalid_type",
+        "expected": "string",
+        "received": "number",
+        "path": [],
+        "message": "Expected string, received number"
+      }
+    ]]
+  `);
+});
+
+test("async validation", async () => {
+  const testTuple = z
+    .tuple([z.string().refine(async () => true), z.number().refine(async () => true)])
+    .refine(async () => true);
+  expectTypeOf<typeof testTuple._output>().toEqualTypeOf<[string, number]>();
+
+  const val = await testTuple.parseAsync(["asdf", 1234]);
+  expect(val).toEqual(val);
+
+  const r1 = await testTuple.safeParseAsync(["asdf", "asdf"]);
+  expect(r1.success).toEqual(false);
+  expect(r1.error!).toMatchInlineSnapshot(`
+    [ZodError: [
+      {
+        "code": "invalid_type",
+        "expected": "number",
+        "received": "string",
+        "path": [
+          1
+        ],
+        "message": "Expected number, received string"
+      }
+    ]]
+  `);
+});