fix(player): 修复详情往返播放位置丢失

lib/app.dart

@@ -42,6 +42,7 @@ import 'core/data/services/favorite_controller.dart';
 import 'core/data/services/interaction_controller.dart';
 import 'core/data/services/locale_controller.dart';
 import 'core/data/services/event_tracker.dart';
+import 'core/data/services/playback_position_cache.dart';
 import 'core/data/services/playback_session.dart';
 import 'core/data/services/video_player_port.dart';
 import 'core/data/services/wallet_controller.dart';
@@ -72,6 +73,7 @@ class LumaDramaApp extends StatefulWidget {
     this.watchHistoryRepository,
     this.favoriteRepository,
     this.playbackRepository,
+    this.playbackPositionCache,
     this.commentRepository,
     this.interactionRepository,
     this.noticeRepository,
@@ -91,6 +93,7 @@ class LumaDramaApp extends StatefulWidget {
   final WatchHistoryRepository? watchHistoryRepository;
   final FavoriteRepository? favoriteRepository;
   final PlaybackRepository? playbackRepository;
+  final PlaybackPositionCache? playbackPositionCache;
   final CommentRepository? commentRepository;
   final InteractionRepository? interactionRepository;
   final NoticeRepository? noticeRepository;
@@ -146,6 +149,9 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
       widget.playbackRepository ??
       HttpPlaybackRepository(PlaybackApi(_apiClient));
 
+  late final PlaybackPositionCache _playbackPositionCache =
+      widget.playbackPositionCache ?? PlaybackPositionCache();
+
   late final FavoriteController _favoriteController = FavoriteController(
     _favorites,
   );
@@ -240,6 +246,7 @@ class _LumaDramaAppState extends State<LumaDramaApp> {
         Provider<PlayerFactory>(create: (_) => widget.playerFactory),
         Provider<CatalogRepository>.value(value: _catalogRepository),
         Provider<PlaybackRepository>.value(value: _playback),
+        Provider<PlaybackPositionCache>.value(value: _playbackPositionCache),
         Provider<WatchHistoryRepository>.value(value: _watchHistory),
         Provider<FavoriteRepository>.value(value: _favorites),
         Provider<CommentRepository>.value(value: _commentRepository),