Update code

dev-assistant-mcp/src/tools/execCommand.ts

@@ -0,0 +1,67 @@
+import { exec, spawn } from "child_process";
+import { promisify } from "util";
+
+const execAsync = promisify(exec);
+
+export const execCommandTool = {
+  name: "exec_command",
+  description:
+    "在本地电脑上执行 Shell 命令。用于运行编译、测试、构建、安装依赖等任何命令。返回 stdout、stderr 和退出码。",
+  inputSchema: {
+    type: "object" as const,
+    properties: {
+      command: {
+        type: "string",
+        description: "要执行的命令（如 npm install, tsc --noEmit, python script.py）",
+      },
+      cwd: {
+        type: "string",
+        description: "工作目录（绝对路径）",
+      },
+      timeout: {
+        type: "number",
+        description: "超时时间（毫秒），默认 60000",
+      },
+    },
+    required: ["command"],
+  },
+};
+
+export async function executeExecCommand(args: {
+  command: string;
+  cwd?: string;
+  timeout?: number;
+}): Promise<string> {
+  const { command, cwd, timeout = 60000 } = args;
+  const workDir = cwd || process.cwd();
+
+  try {
+    const { stdout, stderr } = await execAsync(command, {
+      cwd: workDir,
+      timeout,
+      maxBuffer: 1024 * 1024 * 10, // 10MB
+      shell: process.platform === "win32" ? "powershell.exe" : "/bin/bash",
+    });
+
+    const output: string[] = [
+      `$ ${command}`,
+      `📂 ${workDir}`,
+      `✅ 退出码: 0`,
+    ];
+    if (stdout.trim()) output.push(`\n--- stdout ---\n${stdout.trim()}`);
+    if (stderr.trim()) output.push(`\n--- stderr ---\n${stderr.trim()}`);
+
+    return output.join("\n");
+  } catch (error: any) {
+    const output: string[] = [
+      `$ ${command}`,
+      `📂 ${workDir}`,
+      `❌ 退出码: ${error.code ?? "unknown"}`,
+    ];
+    if (error.stdout?.trim()) output.push(`\n--- stdout ---\n${error.stdout.trim()}`);
+    if (error.stderr?.trim()) output.push(`\n--- stderr ---\n${error.stderr.trim()}`);
+    if (error.killed) output.push(`\n⏰ 命令超时（${timeout}ms）被终止`);
+
+    return output.join("\n");
+  }
+}