fix(player): 延长飘心并显示毫秒计时

test/player/double_tap_like_test.dart

@@ -110,7 +110,7 @@ void main() {
     expect(find.byKey(const Key('double-tap-heart-0')), findsOneWidget);
   });
 
-  testWidgets('parent rebuild keeps the heart burst state alive', (
+  testWidgets('parent rebuild 30 times keeps the heart burst alive', (
     tester,
   ) async {
     final key = GlobalKey<_HarnessState>();
@@ -135,13 +135,24 @@ void main() {
     final burstFinder = find.byType(PlayerDoubleTapHeartBurst);
     final gestureState = tester.state(gestureFinder);
     final burstState = tester.state(burstFinder);
+    var elapsedMs = 100;
 
-    key.currentState!.rebuild();
-    await tester.pump(const Duration(milliseconds: 100));
+    for (var index = 0; index < 30; index++) {
+      key.currentState!.rebuild();
+      await tester.pump(const Duration(milliseconds: 16));
+      elapsedMs += 16;
+    }
 
     expect(tester.state(gestureFinder), same(gestureState));
     expect(tester.state(burstFinder), same(burstState));
     expect(find.byKey(const Key('double-tap-heart-0')), findsOneWidget);
+
+    while (burstFinder.evaluate().isNotEmpty && elapsedMs < 2000) {
+      await tester.pump(const Duration(milliseconds: 16));
+      elapsedMs += 16;
+    }
+    expect(burstFinder, findsNothing);
+    expect(elapsedMs, greaterThanOrEqualTo(1500));
   });
 
   testWidgets('heart burst is cleaned up when gesture region is disposed', (
@@ -166,6 +177,12 @@ void main() {
     await tester.pump(const Duration(milliseconds: 1));
 
     expect(find.byType(PlayerDoubleTapHeartBurst), findsOneWidget);
+    expect(
+      (tester.getCenter(find.byKey(const Key('double-tap-heart-0'))) -
+              tapPosition)
+          .distance,
+      lessThanOrEqualTo(1),
+    );
 
     await tester.pumpWidget(const SizedBox.shrink());
     await tester.pump();
@@ -200,6 +217,8 @@ void main() {
     await tester.pump(const Duration(milliseconds: 1));
 
     expect(find.byType(PlayerDoubleTapHeartBurst), findsNWidgets(2));
+    expect(find.byKey(const ValueKey('heart-overlay-0')), findsOneWidget);
+    expect(find.byKey(const ValueKey('heart-overlay-1')), findsOneWidget);
     await tester.pumpWidget(const SizedBox.shrink());
     await tester.pump();
     expect(find.byType(PlayerDoubleTapHeartBurst), findsNothing);