fix(player): 修复首次双击点赞状态刷新

lib/pages/player/player_view.dart

@@ -519,9 +519,22 @@ class _PlayerPageState extends State<PlayerPage>
     Episode episode,
   ) {
     _lastDoubleTapAt = DateTime.now();
+    if (kDebugMode) {
+      debugPrint(
+        '[player-like] phase=double-tap-callback '
+        'episodeId=${episode.id} '
+        'busy=${interactions.isEpisodeBusy(episode.id)} '
+        'liked=${interactions.isEpisodeLiked(episode.id)}',
+      );
+    }
     unawaited(_toggleLike(context, interactions, episode, likeOnly: true));
   }
 
+  void _refreshLikeState() {
+    if (!mounted) return;
+    setState(() {});
+  }
+
   /// 收藏状态确认后同步右侧计数（总数没有独立计数接口，按 ±1 跟随）。
   void _applyFavoriteDelta(String dramaId, {required bool nowSaved}) {
     setState(() {
@@ -978,6 +991,9 @@ class _PlayerPageState extends State<PlayerPage>
         'index=$index top=1 rail=1 progress=1',
       );
     }
+    if (widget.homeMode && !_presentationActive && !theater) {
+      _logRailLikeState('home', episode.id, interactions);
+    }
 
     return Stack(
       fit: StackFit.expand,
@@ -1209,6 +1225,7 @@ class _PlayerPageState extends State<PlayerPage>
               logic.session.preparedPlayerAt(index);
     final videoPort = port is VideoPlayerPort ? port : null;
     final videoReady = videoPort?.controller.value.isInitialized ?? false;
+    _logRailLikeState('player', episode.id, interactions);
     return PlayerPlaybackOverlay(
       data: PlayerOverlayData(
         l10n: l10n,
@@ -1270,6 +1287,20 @@ class _PlayerPageState extends State<PlayerPage>
     );
   }
 
+  void _logRailLikeState(
+    String surface,
+    String episodeId,
+    InteractionController interactions,
+  ) {
+    if (!kDebugMode) return;
+    debugPrint(
+      '[player-like] phase=rail-state surface=$surface '
+      'episodeId=$episodeId '
+      'liked=${interactions.isEpisodeLiked(episodeId)} '
+      'count=${interactions.episodeLikeCount(episodeId)}',
+    );
+  }
+
   Future<void> _presentFullPlayer(BuildContext context, int index) async {
     if (_presentationActive ||
         _preparingFullPlayer ||

lib/pages/player/player_view_actions.dart

@@ -99,18 +99,62 @@ extension _PlayerViewActions on _PlayerPageState {
     Episode episode, {
     bool likeOnly = false,
   }) async {
+    final busyBefore = interactions.isEpisodeBusy(episode.id);
+    final likedBefore = interactions.isEpisodeLiked(episode.id);
+    if (kDebugMode) {
+      debugPrint(
+        '[player-like] phase=toggle-start '
+        'episodeId=${episode.id} likeOnly=$likeOnly '
+        'busy=$busyBefore liked=$likedBefore',
+      );
+    }
     unawaited(context.read<Haptics>().lightImpact());
-    if (interactions.isEpisodeBusy(episode.id) ||
-        (likeOnly && interactions.isEpisodeLiked(episode.id))) {
+    if (busyBefore || (likeOnly && likedBefore)) {
+      if (kDebugMode) {
+        debugPrint(
+          '[player-like] phase=toggle-skipped '
+          'episodeId=${episode.id} '
+          'reason=${busyBefore ? 'busy' : 'already-liked'}',
+        );
+      }
       return;
     }
-    if (!await ensureSignedIn(context) || !context.mounted) return;
-    if (interactions.isEpisodeBusy(episode.id) ||
-        (likeOnly && interactions.isEpisodeLiked(episode.id))) {
+    final signedIn = await ensureSignedIn(context);
+    if (kDebugMode) {
+      debugPrint(
+        '[player-like] phase=auth-result '
+        'episodeId=${episode.id} signedIn=$signedIn '
+        'mounted=${context.mounted}',
+      );
+    }
+    if (!signedIn || !context.mounted) return;
+    final busyAfterAuth = interactions.isEpisodeBusy(episode.id);
+    final likedAfterAuth = interactions.isEpisodeLiked(episode.id);
+    if (busyAfterAuth || (likeOnly && likedAfterAuth)) {
+      if (kDebugMode) {
+        debugPrint(
+          '[player-like] phase=toggle-skipped-after-auth '
+          'episodeId=${episode.id} '
+          'reason=${busyAfterAuth ? 'busy' : 'already-liked'}',
+        );
+      }
       return;
     }
     final result = await interactions.toggleEpisodeLike(episode.id);
-    if (result.isSuccess || !context.mounted) return;
+    if (kDebugMode) {
+      debugPrint(
+        '[player-like] phase=toggle-result '
+        'episodeId=${episode.id} success=${result.isSuccess} '
+        'liked=${interactions.isEpisodeLiked(episode.id)} '
+        'count=${interactions.episodeLikeCount(episode.id)} '
+        'error=${result.errorMessage ?? '-'}',
+      );
+    }
+    if (result.isSuccess) {
+      _refreshLikeState();
+      return;
+    }
+    if (!context.mounted) return;
     showCenteredToast(
       context,
       result.errorMessage ?? AppLocalizations.of(context)!.likeFailed,