fix(frontend): keep browser API on same-origin rewrites in dev

Document that NEXT_PUBLIC_WAVELET_BACKEND_URL must stay unset for local
next dev so axios hits /api/* and Next rewrites proxy to the backend.

frontend/contexts/admin-context.tsx

@@ -16,6 +16,7 @@ import type {
 } from '@/lib/services/admin';
 import services from '@/lib/services';
 import { handleContextError } from '@/lib/utils/error-handling';
+import { useTranslations } from 'next-intl';
 
 /** Admin 上下文状态接口 */
 export interface AdminContextState {
@@ -45,6 +46,7 @@ const AdminContext = createContext<AdminContextState | null>(null);
  */
 export function AdminProvider({ children }: { children: React.ReactNode }) {
   const queryClient = useQueryClient();
+  const t = useTranslations('contexts.admin');
   const [systemConfigs, setSystemConfigs] = useState<SystemConfig[]>([]);
   const [systemConfigsLoading, setSystemConfigsLoading] = useState(false);
   const [systemConfigsError, setSystemConfigsError] = useState<Error | null>(
@@ -78,14 +80,14 @@ export function AdminProvider({ children }: { children: React.ReactNode }) {
           return;
         }
 
-        const errorObject = handleContextError(error, '加载系统配置失败', {
+        const errorObject = handleContextError(error, t('loadConfigFailed'), {
           logError: true,
         });
         setSystemConfigsError(errorObject);
         setSystemConfigsLoading(false);
       }
     },
-    [],
+    [t],
   );
 
   /** 更新系统配置 */
@@ -96,11 +98,11 @@ export function AdminProvider({ children }: { children: React.ReactNode }) {
         await queryClient.invalidateQueries({ queryKey: ['public-config'] });
         await refetchSystemConfigs(lastConfigTypeRef.current);
       } catch (error) {
-        handleContextError(error, '更新系统配置失败');
+        handleContextError(error, t('updateConfigFailed'));
         throw error;
       }
     },
-    [queryClient, refetchSystemConfigs],
+    [queryClient, refetchSystemConfigs, t],
   );
 
   const value: AdminContextState = {

frontend/contexts/admin-users-context.tsx

@@ -17,6 +17,7 @@ import type {
   UpdateUserRequest,
 } from '@/lib/services/admin';
 import services from '@/lib/services';
+import { useTranslations } from 'next-intl';
 
 /** 用户列表查询参数 */
 export interface UserQueryParams {
@@ -69,6 +70,7 @@ export function AdminUsersProvider({
 }: {
   children: React.ReactNode;
 }) {
+  const t = useTranslations('contexts.adminUsers');
   // State
   const [users, setUsers] = useState<AdminUser[]>([]);
   const [total, setTotal] = useState(0);
@@ -237,7 +239,10 @@ export function AdminUsersProvider({
         is_active: !user.is_active,
       });
       toast.success(
-        `已${!user.is_active ? '启用' : '禁用'}用户 ${user.username}`,
+        t('userStatusChanged', {
+          action: !user.is_active ? t('enabled') : t('disabled'),
+          username: user.username,
+        }),
       );
     } catch {
       // Revert on error
@@ -246,7 +251,7 @@ export function AdminUsersProvider({
           u.id === user.id ? { ...u, is_active: originalStatus } : u,
         ),
       );
-      toast.error('更新状态失败');
+      toast.error(t('updateStatusFailed'));
     }
   };
 
@@ -261,10 +266,10 @@ export function AdminUsersProvider({
       setTotal((prev) => prev + 1);
       // Clear cache because data changed
       cacheRef.current = {};
-      toast.success(`已成功创建用户 ${newUser.username}`);
+      toast.success(t('userCreated', { username: newUser.username }));
       return newUser;
     } catch (err) {
-      toast.error(err instanceof Error ? err.message : '创建用户失败');
+      toast.error(err instanceof Error ? err.message : t('createUserFailed'));
       throw err;
     }
   };
@@ -275,9 +280,9 @@ export function AdminUsersProvider({
       setUsers((prev) => prev.filter((u) => u.id !== user.id));
       setTotal((prev) => Math.max(0, prev - 1));
       cacheRef.current = {};
-      toast.success(`已删除用户 ${user.username}`);
+      toast.success(t('userDeleted', { username: user.username }));
     } catch (err) {
-      toast.error(err instanceof Error ? err.message : '删除用户失败');
+      toast.error(err instanceof Error ? err.message : t('deleteUserFailed'));
       throw err;
     }
   };
@@ -287,9 +292,9 @@ export function AdminUsersProvider({
       await services.adminUser.updateUser(id, req);
       setUsers((prev) => prev.map((u) => (u.id === id ? { ...u, ...req } : u)));
       cacheRef.current = {};
-      toast.success('更新用户信息成功');
+      toast.success(t('updateUserSuccess'));
     } catch (err) {
-      toast.error(err instanceof Error ? err.message : '更新用户信息失败');
+      toast.error(err instanceof Error ? err.message : t('updateUserFailed'));
       throw err;
     }
   };

frontend/contexts/user-context.tsx

@@ -12,6 +12,7 @@ import {
 
 import { AuthService } from '@/lib/services/auth';
 import { User } from '@/lib/services/auth/types';
+import { useTranslations } from 'next-intl';
 
 /** 用户状态接口 */
 interface UserState {
@@ -52,6 +53,7 @@ export function UserProvider({ children }: { children: ReactNode }) {
   });
 
   const isMountedRef = useRef(true);
+  const t = useTranslations('contexts.user');
 
   /** 获取用户信息 */
   const fetchUser = useCallback(async () => {
@@ -68,10 +70,10 @@ export function UserProvider({ children }: { children: ReactNode }) {
       setState({
         user: null,
         loading: false,
-        error: error instanceof Error ? error.message : '获取用户信息失败',
+        error: error instanceof Error ? error.message : t('getUserInfoFailed'),
       });
     }
-  }, []);
+  }, [t]);
 
   /** 重新获取用户信息 */
   const refetch = useCallback(async () => {
@@ -97,14 +99,15 @@ export function UserProvider({ children }: { children: ReactNode }) {
         throw error;
       }
 
-      const errorMessage = error instanceof Error ? error.message : '登出失败';
+      const errorMessage =
+        error instanceof Error ? error.message : t('logoutFailed');
       setState((prev) => ({
         ...prev,
         error: errorMessage,
       }));
       throw new Error(errorMessage);
     }
-  }, []);
+  }, [t]);
 
   /** 组件挂载时获取用户信息（登录/注册页跳过，避免无意义请求） */
   useEffect(() => {