fix(flutter): 注册目录仓库并修正首页轮播数据源

lib/app.dart

@@ -181,6 +181,7 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
       providers: [
         Provider(create: (_) => PlaybackCoordinator()),
         Provider<PlayerFactory>(create: (_) => widget.playerFactory),
+        Provider<CatalogRepository>.value(value: _catalogRepository),
         Provider<PlaybackRepository>.value(value: _playback),
         Provider<WatchHistoryRepository>.value(value: _watchHistory),
         Provider<FavoriteRepository>.value(value: _favorites),

lib/pages/discover/discover_view.dart

@@ -7,6 +7,7 @@ import 'package:provider/provider.dart';
 import '../../core/data/models/drama.dart';
 import '../../core/data/models/home_feed.dart';
 import '../../core/data/repositories/watch_history_repository.dart';
+import '../../core/data/services/catalog_controller.dart';
 import '../../core/data/services/category_controller.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_theme.dart';
@@ -98,6 +99,7 @@ class _DiscoverPageState extends State<DiscoverPage> {
   Widget _page(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
     final categories = context.watch<CategoryController>();
+    final homeBanners = context.watch<CatalogController>().feed.banners;
     final allDramas = [...?widget.dramas, ...categories.visibleDramas];
     final cards = _cardsFor(categories.visibleDramas, '');
     final content = SafeArea(
@@ -114,7 +116,7 @@ class _DiscoverPageState extends State<DiscoverPage> {
                   padding: const EdgeInsets.fromLTRB(16, 4, 16, 0),
                   child: ClipRRect(
                     borderRadius: BorderRadius.circular(18),
-                    child: _carousel(l10n, categories.feed.banners, allDramas),
+                    child: _carousel(l10n, homeBanners, allDramas),
                   ),
                 ),
                 Padding(