fix(favorite): 统一收藏状态与互动图标

test/player/double_tap_like_test.dart

@@ -3,6 +3,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:fruitshorts/core/data/services/interaction_controller.dart';
+import 'package:fruitshorts/core/theme/app_colors.dart';
 import 'package:fruitshorts/core/theme/app_theme.dart';
 import 'package:fruitshorts/l10n/app_localizations.dart';
 import 'package:fruitshorts/pages/player/widgets/home_feed_overlay.dart';
@@ -41,13 +42,13 @@ void main() {
       );
       expect(repository.likeTargets, hasLength(1));
       expect(haptics.lightImpacts, 1);
-      expect(
+      final likeImage = tester.widget<Image>(
         find.descendant(
           of: find.byKey(const Key('rail-like')),
-          matching: find.byIcon(Icons.favorite_rounded),
+          matching: find.byType(Image),
         ),
-        findsOneWidget,
       );
+      expect(likeImage.color, AppColors.doubleTapHeartRed);
     }
   });