首个可运行的版本

frontend/src/api/admin.ts

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+import api from './client'
+
+export const adminApi = {
+  login: (password: string) =>
+    api.post('/admin/login', { password }),
+
+  getDashboard: () => api.get('/admin/dashboard'),
+
+  getStats: (metric: string, days = 7) =>
+    api.get(`/admin/stats/${metric}`, { params: { days } }),
+
+  getUsers: (params?: { page?: number; page_size?: number; search?: string; status?: string }) =>
+    api.get('/admin/users', { params }),
+
+  banUser: (userId: string, isBanned: boolean, reason?: string) =>
+    api.put(`/admin/users/${userId}/ban`, { is_banned: isBanned, reason }),
+
+  deleteUser: (userId: string) =>
+    api.delete(`/admin/users/${userId}`),
+
+  getMessages: (params?: Record<string, string>) =>
+    api.get('/admin/messages', { params }),
+
+  getConfig: () => api.get('/admin/config'),
+
+  updateConfig: (configs: Record<string, string>) =>
+    api.put('/admin/config', { configs }),
+}

frontend/src/api/auth.ts

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+import api from './client'
+
+export const authApi = {
+  login: (username: string, password: string) =>
+    api.post('/auth/login', { username, password }),
+
+  register: (username: string, email: string, password: string) =>
+    api.post('/auth/register', { username, email, password }),
+
+  refresh: (refreshToken: string) =>
+    api.post('/auth/refresh', { refresh_token: refreshToken }),
+
+  getProfile: () => api.get('/users/me'),
+}

frontend/src/api/chat.ts

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+import api from './client'
+
+export const chatApi = {
+  getConversations: () => api.get('/conversations/'),
+
+  createPrivateConversation: (userId: string) =>
+    api.post('/conversations/', { type: 'private', member_ids: [userId] }),
+
+  createGroup: (name: string, memberIds: string[], description?: string) =>
+    api.post('/conversations/group', { name, member_ids: memberIds, description }),
+
+  getConversationDetail: (id: string) => api.get(`/conversations/${id}`),
+
+  getMessages: (conversationId: string, before?: string, limit = 50) => {
+    const params: Record<string, any> = { limit }
+    if (before) params.before = before
+    return api.get(`/conversations/${conversationId}/messages`, { params })
+  },
+
+  markAsRead: (conversationId: string, messageId: string) =>
+    api.put(`/conversations/${conversationId}/messages/${messageId}/read`),
+
+  deleteMessage: (conversationId: string, messageId: string) =>
+    api.delete(`/conversations/${conversationId}/messages/${messageId}`),
+}

frontend/src/api/client.ts

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+import axios from 'axios'
+import type { AxiosInstance } from 'axios'
+
+const API_BASE = import.meta.env.VITE_API_BASE_URL || 'http://localhost:8000'
+
+const api: AxiosInstance = axios.create({
+  baseURL: `${API_BASE}/api/v1`,
+  timeout: 15000,
+  headers: { 'Content-Type': 'application/json' },
+})
+
+// 请求拦截器：附加 Token
+api.interceptors.request.use((config) => {
+  const token = localStorage.getItem('access_token')
+  if (token) {
+    config.headers.Authorization = `Bearer ${token}`
+  }
+  return config
+})
+
+// 响应拦截器：处理 401 自动刷新
+api.interceptors.response.use(
+  (response) => response,
+  async (error) => {
+    const originalRequest = error.config
+    if (error.response?.status === 401 && !originalRequest._retry) {
+      originalRequest._retry = true
+      const refreshToken = localStorage.getItem('refresh_token')
+      if (refreshToken) {
+        try {
+          const { data } = await axios.post(`${API_BASE}/api/v1/auth/refresh`, {
+            refresh_token: refreshToken,
+          })
+          localStorage.setItem('access_token', data.access_token)
+          localStorage.setItem('refresh_token', data.refresh_token)
+          originalRequest.headers.Authorization = `Bearer ${data.access_token}`
+          return api(originalRequest)
+        } catch {
+          localStorage.removeItem('access_token')
+          localStorage.removeItem('refresh_token')
+          window.location.href = '/login'
+        }
+      }
+    }
+    return Promise.reject(error)
+  },
+)
+
+export default api

frontend/src/api/friends.ts

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+import api from './client'
+
+export const friendsApi = {
+  getFriends: () => api.get('/friends/'),
+
+  getPendingRequests: () => api.get('/friends/requests'),
+
+  sendRequest: (toUserId: string, message?: string) =>
+    api.post('/friends/request', { to_user_id: toUserId, message }),
+
+  acceptRequest: (requestId: string) =>
+    api.put(`/friends/request/${requestId}/accept`),
+
+  rejectRequest: (requestId: string) =>
+    api.put(`/friends/request/${requestId}/reject`),
+
+  removeFriend: (friendId: string) =>
+    api.delete(`/friends/${friendId}`),
+}