fix: 修复 API 数据格式兼容性问题，完成 E2E CRUD 测试

frontend/react-shadcn/pc/src/pages/UserManagementPage.tsx

@@ -40,7 +40,7 @@ export function UserManagementPage() {
       setError(null)
       const response = await apiClient.getUsers({ page: 1, pageSize: 100 })
       if (response.success && response.data) {
-        setUsers(response.data.users)
+        setUsers(response.data.list)
       } else {
         setError(response.message || '获取用户列表失败')
         setUsers([])

frontend/react-shadcn/pc/src/services/api.ts

@@ -98,7 +98,26 @@ class ApiClient {
     if (params.pageSize) queryParams.append('pageSize', params.pageSize.toString())
     if (params.keyword) queryParams.append('keyword', params.keyword)
 
-    return this.request<UserListResponse>(`/users?${queryParams}`)
+    // 后端返回裸数据格式，需要包装成标准格式
+    const rawData = await this.request<{ total: number; list: any[] }>(`/users?${queryParams}`)
+
+    // 如果后端已经返回标准格式，直接返回
+    if ('success' in rawData) {
+      return rawData as UserListResponse
+    }
+
+    // 包装成标准格式
+    return {
+      code: 200,
+      message: 'success',
+      success: true,
+      data: {
+        list: rawData.list || [],
+        total: rawData.total || 0,
+        page: params.page || 1,
+        pageSize: params.pageSize || 10,
+      },
+    }
   }
 
   async getUser(id: number): Promise<ApiResponse<User>> {

frontend/react-shadcn/pc/src/types/index.ts

@@ -64,7 +64,7 @@ export interface UserListResponse {
   message: string
   success: boolean
   data: {
-    users: User[]
+    list: User[]
     total: number
     page: number
     pageSize: number