feat(player): 点赞与评论改为按集

test/interaction/interaction_controller_test.dart

@@ -62,6 +62,56 @@ void main() {
     controller.dispose();
   });
 
+  test('should_toggle_episode_like_with_plus_one_and_minus_one', () async {
+    final repository = FakeInteractionRepository(
+      nextLikeResult: const LikeToggleResult(liked: true, count: 8),
+    );
+    final controller = InteractionController(repository);
+
+    await controller.toggleEpisodeLike('episode-5');
+
+    expect(repository.likeTargets, ['EPISODE:episode-5']);
+    expect(controller.isEpisodeLiked('episode-5'), isTrue);
+    expect(controller.episodeLikeCount('episode-5'), 8);
+    expect(controller.isLiked('episode-5'), isFalse);
+
+    repository.nextLikeResult = const LikeToggleResult(liked: false, count: 7);
+    await controller.toggleEpisodeLike('episode-5');
+
+    expect(controller.isEpisodeLiked('episode-5'), isFalse);
+    expect(controller.episodeLikeCount('episode-5'), 7);
+    controller.dispose();
+  });
+
+  test('should_isolate_episode_like_cache_by_episode_and_drama', () async {
+    final repository = FakeInteractionRepository(
+      nextLikeResult: const LikeToggleResult(liked: true, count: 8),
+    );
+    final controller = InteractionController(repository);
+
+    await controller.toggleEpisodeLike('episode-1');
+    repository.nextLikeResult = const LikeToggleResult(liked: true, count: 3);
+    await controller.toggleEpisodeLike('episode-2');
+    repository.nextLikeResult = const LikeToggleResult(liked: false, count: 7);
+    await controller.toggleEpisodeLike('episode-1');
+    repository.nextLikeResult = const LikeToggleResult(liked: true, count: 12);
+    await controller.toggleDramaLike('episode-1');
+
+    expect(controller.isEpisodeLiked('episode-1'), isFalse);
+    expect(controller.episodeLikeCount('episode-1'), 7);
+    expect(controller.isEpisodeLiked('episode-2'), isTrue);
+    expect(controller.episodeLikeCount('episode-2'), 3);
+    expect(controller.isLiked('episode-1'), isTrue);
+    expect(controller.likeCount('episode-1'), 12);
+    expect(repository.likeTargets, [
+      'EPISODE:episode-1',
+      'EPISODE:episode-2',
+      'EPISODE:episode-1',
+      'DRAMA:episode-1',
+    ]);
+    controller.dispose();
+  });
+
   test('should_clear_account_scoped_drama_likes_when_session_changes', () async {
     final repository = FakeInteractionRepository(
       nextLikeResult: const LikeToggleResult(liked: true, count: 1),