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frontend/web/src/api/auth.ts

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+// 认证API（重新导出client中的认证函数）
+export {
+  login,
+  register,
+  refreshToken,
+  setToken,
+  getToken,
+  clearToken,
+  isAuthenticated,
+} from './client';

frontend/web/src/api/client.ts

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+// HTTP 客户端封装
+
+import type { AuthResponse } from '@/types/session';
+
+const API_BASE_URL = import.meta.env.VITE_API_URL || 'http://localhost:8080/api/v1';
+
+/** 请求选项 */
+interface RequestOptions {
+  method?: string;
+  body?: unknown;
+  headers?: Record<string, string>;
+  auth?: boolean;
+}
+
+/** API 响应格式 */
+interface ApiResponse<T = unknown> {
+  data?: T;
+  error?: string;
+  status: number;
+}
+
+/**
+ * 发送API请求
+ */
+async function request<T = unknown>(endpoint: string, options: RequestOptions = {}): Promise<ApiResponse<T>> {
+  const { method = 'GET', body, auth = true } = options;
+
+  const headers: Record<string, string> = {
+    'Content-Type': 'application/json',
+    ...options.headers,
+  };
+
+  if (auth) {
+    const token = localStorage.getItem('token');
+    if (token) {
+      headers['Authorization'] = `Bearer ${token}`;
+    }
+  }
+
+  try {
+    const response = await fetch(`${API_BASE_URL}${endpoint}`, {
+      method,
+      headers,
+      body: body ? JSON.stringify(body) : undefined,
+    });
+
+    const data = await response.json().catch(() => null);
+
+    if (!response.ok) {
+      return {
+        error: data?.error || `请求失败 (${response.status})`,
+        status: response.status,
+      };
+    }
+
+    return { data: data as T, status: response.status };
+  } catch (err) {
+    return {
+      error: err instanceof Error ? err.message : '网络错误',
+      status: 0,
+    };
+  }
+}
+
+/** 存储认证令牌 */
+export function setToken(token: string) {
+  localStorage.setItem('token', token);
+}
+
+/** 获取认证令牌 */
+export function getToken(): string | null {
+  return localStorage.getItem('token');
+}
+
+/** 清除认证令牌 */
+export function clearToken() {
+  localStorage.removeItem('token');
+  localStorage.removeItem('user_id');
+}
+
+/** 检查是否已认证 */
+export function isAuthenticated(): boolean {
+  return !!getToken();
+}
+
+// ========== 认证API ==========
+
+export async function login(username: string, password: string): Promise<ApiResponse<AuthResponse>> {
+  const resp = await request<AuthResponse>('/auth/login', {
+    method: 'POST',
+    body: { username, password },
+    auth: false,
+  });
+  if (resp.data?.token) {
+    setToken(resp.data.token);
+    localStorage.setItem('user_id', resp.data.user_id);
+  }
+  return resp;
+}
+
+export async function register(username: string, password: string): Promise<ApiResponse<AuthResponse>> {
+  const resp = await request<AuthResponse>('/auth/register', {
+    method: 'POST',
+    body: { username, password },
+    auth: false,
+  });
+  if (resp.data?.token) {
+    setToken(resp.data.token);
+    localStorage.setItem('user_id', resp.data.user_id);
+  }
+  return resp;
+}
+
+export async function refreshToken(): Promise<ApiResponse<AuthResponse>> {
+  const resp = await request<AuthResponse>('/auth/refresh', { method: 'POST' });
+  if (resp.data?.token) {
+    setToken(resp.data.token);
+  }
+  return resp;
+}
+
+// ========== 会话API ==========
+
+export async function createSession(title?: string) {
+  return request('/sessions', { method: 'POST', body: { title } });
+}
+
+export async function listSessions() {
+  return request('/sessions');
+}
+
+export async function getSession(id: string) {
+  return request(`/sessions/${id}`);
+}
+
+export async function deleteSession(id: string) {
+  return request(`/sessions/${id}`, { method: 'DELETE' });
+}
+
+// ========== 记忆API ==========
+
+export async function searchMemory(query: string) {
+  return request(`/memory/search?q=${encodeURIComponent(query)}`);
+}
+
+export async function listMemories() {
+  return request('/memory');
+}
+
+export async function addMemory(content: string, category?: string, priority?: number) {
+  return request('/memory', { method: 'POST', body: { content, category, priority } });
+}
+
+export { request, type ApiResponse };

frontend/web/src/api/memory.ts

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+// 记忆API
+export {
+  searchMemory,
+  listMemories,
+  addMemory,
+} from './client';

frontend/web/src/api/sessions.ts

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+// 会话API
+export {
+  createSession,
+  listSessions,
+  getSession,
+  deleteSession,
+} from './client';