feat(home): 首页改为三列探索网格

lib/core/data/models/drama.dart

@@ -86,6 +86,8 @@ class Drama {
     this.favoriteCount,
     this.commentCount,
     this.language = '',
+    this.dramaType = '',
+    this.createdAt,
     this.detailLoaded = false,
   });
 
@@ -109,6 +111,12 @@ class Drama {
   /// 卡片语种（如 zh-CN / id），用于剧场语言筛选。
   final String language;
 
+  /// 内容类型：ANIME 漫剧，LIVE 真人剧。
+  final String dramaType;
+
+  /// 上架时间；卡片接口未直接下发时可由 Snowflake id 估算。
+  final DateTime? createdAt;
+
   /// 详情接口是否已经取过完整剧集列表。
   /// 列表卡片只带一集可播预览，需要完整剧集时再进详情。
   final bool detailLoaded;
@@ -137,6 +145,8 @@ class Drama {
       favoriteCount: _optionalInt(json['favoriteCount']),
       commentCount: _optionalInt(json['commentCount']),
       language: json['language'] as String? ?? '',
+      dramaType: json['dramaType'] as String? ?? '',
+      createdAt: DateTime.tryParse(json['createdAt']?.toString() ?? ''),
     );
   }
 
@@ -157,6 +167,8 @@ class Drama {
       favoriteCount: _optionalInt(json['favoriteCount']),
       commentCount: _optionalInt(json['commentCount']),
       language: json['language'] as String? ?? '',
+      dramaType: json['dramaType'] as String? ?? '',
+      createdAt: DateTime.tryParse(json['createdAt']?.toString() ?? ''),
       detailLoaded: true,
       episodes: (json['episodes'] as List? ?? const [])
           .whereType<Map<String, dynamic>>()