fix(frontend): 修复登录响应字段映射，适配 Java 后端平铺结构

reading-platform-frontend/src/api/auth.ts

@@ -6,17 +6,14 @@ export interface LoginParams {
   role: string;
 }
 
+// Java 后端返回的平铺结构
 export interface LoginResponse {
   token: string;
-  user: {
-    id: number;
-    name: string;
-    role: 'admin' | 'school' | 'teacher';
-    tenantId?: number;
-    tenantName?: string;
-    email?: string;
-    phone?: string;
-  };
+  userId: number;
+  username: string;
+  name: string;
+  role: 'admin' | 'school' | 'teacher' | 'parent';
+  tenantId?: number;
 }
 
 export interface UserProfile {

reading-platform-frontend/src/stores/user.ts

@@ -30,17 +30,24 @@ export const useUserStore = defineStore('user', () => {
   async function login(account: string, password: string, role: string) {
     try {
       const data = await authApi.login({ account, password, role });
+      // Java 后端返回平铺结构，转换为前端 User 对象
+      const userObj: User = {
+        id: data.userId,
+        name: data.name,
+        role: data.role,
+        tenantId: data.tenantId,
+      };
       token.value = data.token;
-      user.value = data.user;
+      user.value = userObj;
 
       localStorage.setItem('token', data.token);
-      localStorage.setItem('user', JSON.stringify(data.user));
-      localStorage.setItem('role', data.user.role);
+      localStorage.setItem('user', JSON.stringify(userObj));
+      localStorage.setItem('role', data.role);
 
       message.success('登录成功');
 
       // 跳转到对应首页
-      const defaultRoute = `/${data.user.role}/dashboard`;
+      const defaultRoute = `/${data.role}/dashboard`;
       router.push(defaultRoute);
 
       return data;