feat(interaction): 支持游客点赞收藏评论

lib/pages/player/player_logic.dart

@@ -53,10 +53,12 @@ class PlayerLogic extends ChangeNotifier {
     PlaybackPositionCache? positionCache,
     Future<void> Function()? waitForFrame,
     DateTime Function()? clock,
+    bool Function()? isSignedIn,
   }) : positionCache = positionCache ?? PlaybackPositionCache(),
        _waitForFrame =
            waitForFrame ?? (() => WidgetsBinding.instance.endOfFrame),
-       _clock = clock ?? DateTime.now;
+       _clock = clock ?? DateTime.now,
+       _isSignedIn = isSignedIn ?? (() => true);
 
   final WatchHistoryRepository history;
   final PlaybackRepository playback;
@@ -66,6 +68,7 @@ class PlayerLogic extends ChangeNotifier {
   final PlaybackPositionCache positionCache;
   final Future<void> Function() _waitForFrame;
   final DateTime Function() _clock;
+  final bool Function() _isSignedIn;
 
   late PageController pages;
   late PlaybackQueue queue;
@@ -797,7 +800,10 @@ class PlayerLogic extends ChangeNotifier {
   /// 金币解锁当前集；成功后强制刷新票据并直接起播。
   Future<bool> unlockEpisode(int index) async {
     final service = wallet;
-    if (service == null || index < 0 || index >= sessionEpisodes.length) {
+    if (service == null ||
+        !_isSignedIn() ||
+        index < 0 ||
+        index >= sessionEpisodes.length) {
       return false;
     }
     final episode = sessionEpisodes[index];
@@ -1232,6 +1238,7 @@ class PlayerLogic extends ChangeNotifier {
     int? revision,
     bool? userWantsPlay,
   }) async {
+    if (index < 0 || index >= sessionEpisodes.length) return;
     final feedRevisionAtStart = revision ?? feedRevision;
     final request = ++pageRequest;
     cancelScrub();
@@ -1257,6 +1264,10 @@ class PlayerLogic extends ChangeNotifier {
           !isMounted()) {
         return;
       }
+      if (!_isSignedIn()) {
+        unawaited(refreshEpisodeStats(index));
+        return;
+      }
     }
     // 起播前先要票据：拿不到就不起播，交给三态 UI 提示（失败可重试）
     final ready = await ensureTicket(index);