feat(app): 搜索改为调用后端并渲染卡片结果

lib/app.dart

@@ -30,6 +30,7 @@ import 'core/data/repositories/favorite_repository.dart';
 import 'core/data/repositories/interaction_repository.dart';
 import 'core/data/repositories/notice_repository.dart';
 import 'core/data/repositories/playback_repository.dart';
+import 'core/data/repositories/search_repository.dart';
 import 'core/data/repositories/store_repository.dart';
 import 'core/data/repositories/watch_history_repository.dart';
 import 'core/data/services/auth_controller.dart';
@@ -64,6 +65,7 @@ class LumaDramaApp extends StatefulWidget {
     this.accountRepository,
     this.commerceRepository,
     this.storeRepository,
+    this.searchRepository,
     this.haptics = const FlutterHaptics(),
   });
 
@@ -82,6 +84,7 @@ class LumaDramaApp extends StatefulWidget {
   final AccountRepository? accountRepository;
   final CommerceRepository? commerceRepository;
   final StoreRepository? storeRepository;
+  final SearchRepository? searchRepository;
   final Haptics haptics;
 
   @override
@@ -149,6 +152,9 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
     _commerceRepository,
   );
 
+  late final SearchRepository _searchRepository =
+      widget.searchRepository ?? HttpSearchRepository(CatalogApi(_apiClient));
+
   late final StoreRepository _storeRepository =
       widget.storeRepository ?? HttpStoreRepository(CommerceApi(_apiClient));
 
@@ -223,6 +229,7 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
         Provider<AccountRepository>.value(value: _accountRepository),
         Provider<CommerceRepository>.value(value: _commerceRepository),
         Provider<StoreRepository>.value(value: _storeRepository),
+        Provider<SearchRepository>.value(value: _searchRepository),
         Provider<Haptics>.value(value: widget.haptics),
         ChangeNotifierProvider(
           create: (_) => CatalogController(_catalogRepository)..load(),