feat(flutter): 增加关键操作震动反馈

lib/pages/favorites/favorites_page.dart

@@ -9,6 +9,7 @@ import '../../core/data/models/drama.dart';
 import '../../core/data/services/auth_controller.dart';
 import '../../core/data/services/favorite_controller.dart';
 import '../../core/formatting/error_text.dart';
+import '../../core/platform/haptics.dart';
 import '../../core/theme/app_theme.dart';
 import '../../core/widgets/auth_gate.dart';
 import '../../core/widgets/library_drama_tile.dart';
@@ -142,6 +143,7 @@ class _FavoritesBody extends StatelessWidget {
   }
 
   Future<void> _remove(BuildContext context, String dramaId) async {
+    unawaited(context.read<Haptics>().lightImpact());
     final ok = await favorites.remove(dramaId);
     if (ok || !context.mounted) return;
     final l10n = AppLocalizations.of(context)!;