feat(entry): 新增四入口 ViewModel

entry/src/main/ets/viewmodel/HomeViewModel.ets

@@ -1,37 +1,41 @@
-import { User } from '../model/User';
-import { UserRepository } from '../data/repository/UserRepository';
+import { HomeData } from '../model/HomeModels';
+import { HomeRepository } from '../data/repository/HomeRepository';
+import { SessionRepository } from '../data/repository/SessionRepository';
 import { ServiceLocator } from '../di/ServiceLocator';
 
 /**
  * 首页视图模型：@ObservedV2 三态（loading / error / data）。
- * 只依赖 UserRepository 契约，不直接接触网络层。
+ * 根据登录态分流到游客首页 / 原生首页。
  */
 @ObservedV2
 export class HomeViewModel {
-  @Trace users: User[] = [];
+  @Trace data: HomeData = new HomeData();
+  @Trace isGuest: boolean = true;
   @Trace loading: boolean = false;
   @Trace error: string = '';
 
-  private readonly repository: UserRepository;
+  private readonly repository: HomeRepository;
+  private readonly session: SessionRepository;
 
-  constructor(repository: UserRepository) {
+  constructor(repository: HomeRepository, session: SessionRepository) {
     this.repository = repository;
+    this.session = session;
   }
 
-  /**
-   * 工厂：从 DI 容器解析依赖并装配，避免页面直接触碰 data 层类型。
-   */
   static create(): HomeViewModel {
-    return new HomeViewModel(ServiceLocator.get('userRepository') as UserRepository);
+    return new HomeViewModel(
+      ServiceLocator.get('homeRepository') as HomeRepository,
+      ServiceLocator.get('sessionRepository') as SessionRepository
+    );
   }
 
   async load(): Promise<void> {
     this.loading = true;
     this.error = '';
     try {
-      // 演示：拉取一个示例用户；真实业务可替换为列表接口。
-      const user = await this.repository.getUser('demo-user');
-      this.users = [user];
+      const loggedIn = this.session.isLoggedIn();
+      this.isGuest = !loggedIn;
+      this.data = loggedIn ? await this.repository.observeHome() : await this.repository.observeGuestHome();
     } catch (err) {
       this.error = JSON.stringify(err);
     } finally {