fix(player): 收藏与评论数实时刷新

lib/core/data/repositories/comment_repository.dart

@@ -13,6 +13,9 @@ abstract interface class CommentRepository {
     int size = commentPageSize,
   });
 
+  /// 查询单部剧的有效评论总数。
+  Future<int> count(String dramaId);
+
   /// 发表评论或回复。
   Future<DramaComment> publish({
     required String dramaId,
@@ -44,6 +47,9 @@ class HttpCommentRepository implements CommentRepository {
     size: size,
   );
 
+  @override
+  Future<int> count(String dramaId) => _api.count(dramaId);
+
   @override
   Future<DramaComment> publish({
     required String dramaId,