feat(flutter): 播放页互动数量与评论面板收紧

lib/core/data/models/drama.dart

@@ -65,6 +65,9 @@ class Drama {
     this.freeEpisodes = 0,
     this.isHot = false,
     this.viewCount = 0,
+    this.likeCount,
+    this.favoriteCount,
+    this.commentCount,
     this.language = '',
     this.detailLoaded = false,
   });
@@ -81,6 +84,11 @@ class Drama {
   final bool isHot;
   final int viewCount;
 
+  /// 详情下发的互动数量；卡片或旧接口没有这些字段时为 null（客户端不显示数字）。
+  final int? likeCount;
+  final int? favoriteCount;
+  final int? commentCount;
+
   /// 卡片语种（如 zh-CN / id），用于剧场语言筛选。
   final String language;
 
@@ -108,6 +116,9 @@ class Drama {
       isHot: json['isHot'] == true,
       // viewCount 后端是 Long，按字符串下发（见 json_numbers.dart）
       viewCount: jsonToInt(json['viewCount']),
+      likeCount: _optionalInt(json['likeCount']),
+      favoriteCount: _optionalInt(json['favoriteCount']),
+      commentCount: _optionalInt(json['commentCount']),
       language: json['language'] as String? ?? '',
     );
   }
@@ -125,6 +136,9 @@ class Drama {
       freeEpisodes: (json['freeEpisodes'] as num?)?.toInt() ?? 0,
       isHot: json['isHot'] == true,
       viewCount: jsonToInt(json['viewCount']),
+      likeCount: _optionalInt(json['likeCount']),
+      favoriteCount: _optionalInt(json['favoriteCount']),
+      commentCount: _optionalInt(json['commentCount']),
       language: json['language'] as String? ?? '',
       detailLoaded: true,
       episodes: (json['episodes'] as List? ?? const [])
@@ -134,3 +148,5 @@ class Drama {
     );
   }
 }
+
+int? _optionalInt(dynamic value) => value == null ? null : jsonToInt(value);

lib/core/formatting/count_format.dart

@@ -0,0 +1,9 @@
+// Author: fruit.com.cn
+
+/// 互动数量展示：不足一万显示原数，一万及以上显示一位小数的「万」。
+///
+/// 例：`3200` → `3200`，`12400` → `1.2万`。
+String formatInteractionCount(int count) {
+  if (count < 10000) return '$count';
+  return '${(count / 10000).toStringAsFixed(1)}万';
+}