fix(player): 收藏与评论数实时刷新

lib/pages/drama_detail/drama_detail_logic.dart

@@ -35,6 +35,7 @@ class DramaDetailLogic extends ChangeNotifier {
   int? continueIndex;
   WatchProgress? progress;
   String? progressError;
+  int _favoriteCountDelta = 0;
   bool _disposed = false;
 
   void notify() {
@@ -118,8 +119,26 @@ class DramaDetailLogic extends ChangeNotifier {
     await loadContinue();
   }
 
-  /// 收藏切换：乐观更新失败时会回滚，由调用方给出提示。
-  Future<bool> toggleFavorite() => favorites.toggle(drama.id, card: drama);
+  /// 详情页展示用的收藏数；没有服务端计数时继续保持缺省展示。
+  int? get adjustedFavoriteCount {
+    final base = drama.favoriteCount;
+    if (base == null) return null;
+    final adjusted = base + _favoriteCountDelta;
+    return adjusted < 0 ? 0 : adjusted;
+  }
+
+  /// 收藏切换：乐观状态由控制器负责回滚，这里只在成功后同步计数。
+  Future<bool> toggleFavorite() async {
+    final wasSaved = favorites.isSaved(drama.id);
+    final ok = await favorites.toggle(drama.id, card: drama);
+    if (!ok) return false;
+    final nowSaved = favorites.isSaved(drama.id);
+    if (nowSaved != wasSaved) {
+      _favoriteCountDelta += nowSaved ? 1 : -1;
+      notify();
+    }
+    return true;
+  }
 
   @override
   void dispose() {

lib/pages/drama_detail/drama_detail_view.dart

@@ -142,7 +142,11 @@ class _DramaDetailPageState extends State<DramaDetailPage> {
             ),
           ),
           SliverToBoxAdapter(
-            child: DramaStatsCard(l10n: l10n, drama: drama),
+            child: DramaStatsCard(
+              l10n: l10n,
+              drama: drama,
+              favoriteCount: logic.adjustedFavoriteCount,
+            ),
           ),
           SliverToBoxAdapter(
             child: DramaSynopsisSection(

lib/pages/drama_detail/widgets/drama_detail_sections.dart

@@ -29,16 +29,23 @@ const TextStyle _synopsisStyle = TextStyle(
 
 /// 详情页三项数据卡：热度、收藏与点赞，缺失值不做伪造。
 class DramaStatsCard extends StatelessWidget {
-  const DramaStatsCard({super.key, required this.l10n, required this.drama});
+  const DramaStatsCard({
+    super.key,
+    required this.l10n,
+    required this.drama,
+    this.favoriteCount,
+  });
 
   final AppLocalizations l10n;
   final Drama drama;
+  final int? favoriteCount;
 
   @override
   Widget build(BuildContext context) {
-    final favorite = drama.favoriteCount == null
+    final currentFavoriteCount = favoriteCount ?? drama.favoriteCount;
+    final favorite = currentFavoriteCount == null
         ? l10n.episodeCountLabel(drama.episodeCount)
-        : '${formatInteractionCount(drama.favoriteCount!)} ${l10n.favorite}';
+        : '${formatInteractionCount(currentFavoriteCount)} ${l10n.favorite}';
     final like = drama.likeCount == null
         ? '—'
         : '${formatInteractionCount(drama.likeCount!)} ${l10n.like}';