feat(player): 点赞与评论改为按集

lib/core/data/remote/comment_api.dart

@@ -13,6 +13,7 @@ class CommentApi {
   /// 拉取游标分页；`rootId` 用于加载某一楼层的回复。
   Future<CommentPage> page({
     required String dramaId,
+    String? episodeId,
     String? rootId,
     String? cursor,
     int size = commentPageSize,
@@ -21,6 +22,7 @@ class CommentApi {
       '/app/comments',
       query: {
         'dramaId': dramaId,
+        'episodeId': ?episodeId,
         'rootId': ?rootId,
         'cursor': ?cursor,
         'size': '$size',
@@ -31,10 +33,10 @@ class CommentApi {
   }
 
   /// 查询单部剧的有效评论总数；后端 Long 兼容数字与字符串。
-  Future<int> count(String dramaId) async {
+  Future<int> count(String dramaId, {String? episodeId}) async {
     final data = await _client.get(
       '/app/comments/count',
-      query: {'dramaId': dramaId},
+      query: {'dramaId': dramaId, 'episodeId': ?episodeId},
     );
     return jsonToInt(data);
   }