fix(player): 改用墙钟驱动飘心动画

test/player/player_fullscreen_test.dart

@@ -680,6 +680,7 @@ void main() {
     }
     await tester.pump();
     await tester.pump(const Duration(milliseconds: 300));
+    await _waitForBufferedHeartFrames(tester);
 
     expect(logic.session.userWantsPlay, isTrue);
     expect(find.byKey(const Key('player-play-toggle')), findsNothing);
@@ -699,7 +700,7 @@ void main() {
       AppColors.doubleTapHeartRed,
     );
 
-    await tester.pump(const Duration(milliseconds: 2300));
+    await _waitForHeartCompletion(tester);
     expect(find.byKey(const Key('double-tap-heart-0')), findsNothing);
     expect(logic.session.userWantsPlay, isTrue);
   });
@@ -723,6 +724,7 @@ void main() {
     await tester.tapAt(const Offset(80, 300));
     await tester.pump();
     await tester.pump(const Duration(milliseconds: 300));
+    await _waitForBufferedHeartFrames(tester);
 
     expect(logic.session.userWantsPlay, isTrue);
     expect(interactions.likeTargets, hasLength(1));
@@ -1818,6 +1820,20 @@ Future<void> _clearFromMore(WidgetTester tester) async {
   await tester.pumpAndSettle();
 }
 
+Future<void> _waitForBufferedHeartFrames(WidgetTester tester) async {
+  await tester.runAsync(
+    () => Future<void>.delayed(const Duration(milliseconds: 120)),
+  );
+  await tester.pump(const Duration(milliseconds: 120));
+}
+
+Future<void> _waitForHeartCompletion(WidgetTester tester) async {
+  await tester.runAsync(
+    () => Future<void>.delayed(const Duration(milliseconds: 1700)),
+  );
+  await tester.pump(const Duration(milliseconds: 16));
+}
+
 Future<void> _openSeriesPlayer(
   WidgetTester tester, {
   Key cardKey = const Key('home-feed-card-city-lights-demo'),