更新+mock部分

frontend/src/utils/http.ts

@@ -1,3 +1,4 @@
+import type { ApiResponse } from "../types/api";
 import { getAccessToken } from "./storage";
 
 const BASE_URL = import.meta.env.VITE_API_BASE_URL ?? "/api";
@@ -12,6 +13,14 @@ interface RequestOptions {
     timeout?: number;
 }
 
+function isApiResponse(payload: unknown): payload is ApiResponse<unknown> {
+    if (typeof payload !== "object" || payload === null) {
+        return false;
+    }
+
+    return "code" in payload && "message" in payload && "data" in payload;
+}
+
 function buildUrl(path: string) {
     if (/^https?:\/\//.test(path)) {
         return path;
@@ -57,6 +66,9 @@ async function request<T>(path: string, options: RequestOptions = {}): Promise<T
                     : `Request failed with status ${response.status}`;
             throw new Error(message);
         }
+        if (isApiResponse(payload) && payload.code !== 0) {
+            throw new Error(payload.message || `Business request failed with code ${payload.code}`);
+        }
 
         return payload as T;
     } finally {