fix(player): 统一暂停按钮并自动隐藏控制层

test/player/player_fullscreen_test.dart

@@ -10,6 +10,7 @@ import 'package:fruitshorts/core/data/repositories/favorite_repository.dart';
 import 'package:fruitshorts/core/data/repositories/playback_repository.dart';
 import 'package:fruitshorts/core/data/repositories/watch_history_repository.dart';
 import 'package:fruitshorts/pages/player/player_view.dart';
+import 'package:fruitshorts/pages/player/widgets/player_center_toggle.dart';
 
 import '../support/fake_catalog.dart';
 import '../support/fake_category.dart';
@@ -90,6 +91,39 @@ void main() {
     expect(find.byIcon(Icons.play_arrow_rounded), findsOneWidget);
   });
 
+  testWidgets('should_hide_controls_after_2_5s_and_reveal_on_video_tap', (
+    tester,
+  ) async {
+    await _pumpApp(tester);
+    await tester.binding.handlePopRoute();
+    await tester.pumpAndSettle();
+    await tester.binding.handlePopRoute();
+    await tester.pumpAndSettle();
+    await tester.tap(find.byKey(const Key('drawer-open-series')));
+    await tester.pumpAndSettle();
+    await tester.tap(find.byKey(const Key('detail-cta')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('player-controls-top')), findsOneWidget);
+    expect(find.byKey(const Key('player-controls-bottom')), findsOneWidget);
+    expect(find.byType(PlayerCenterToggle), findsOneWidget);
+
+    await tester.pump(const Duration(milliseconds: 2600));
+    await tester.pump();
+
+    expect(find.byKey(const Key('player-controls-top')), findsNothing);
+    expect(find.byKey(const Key('player-controls-bottom')), findsNothing);
+    expect(find.byType(PlayerCenterToggle), findsNothing);
+    expect(find.byKey(const Key('player-video-tap')), findsOneWidget);
+
+    await tester.tap(find.byKey(const Key('player-video-tap')));
+    await tester.pump();
+
+    expect(find.byKey(const Key('player-controls-top')), findsOneWidget);
+    expect(find.byKey(const Key('player-controls-bottom')), findsOneWidget);
+    expect(find.byType(PlayerCenterToggle), findsOneWidget);
+  });
+
   test('should_only_show_feed_pause_indicator_in_home_mode', () {
     expect(
       shouldShowFeedPauseIndicator(