feat: gate media downloads by group and retry douyu checks

utils/robot_cmd/robot_command.py

@@ -32,6 +32,7 @@ class Feature(Enum):
     EPIC = 4, "📊 EPIC自动播报 [每周五自动发送]"  # 新增的功能
     DAILY_SUMMARY = 5, "🕤 每日群发言总结 [每日9:30定时发送]"
     GROUP_MEMBER_CHANGE = 6, "👥 群成员变更监控 [自动监控群成员变动并发送通知]"
+    MEDIA_DOWNLOAD = 7, "🖼️ 图片表情下载 [控制群图片/表情媒资自动下载]"
 
     # DAILY_SUMMARY = 3, "🕤 每日群发言总结 [每日9:30定时发送]"
     # AI_CAPABILITY = 4, "🤖 AI对话 [ai, 聊天, AI] 用法：ai 如何写一个机器人？"

utils/wechat/message_to_db.py

@@ -19,6 +19,7 @@ from db.levels_db import LevelsDBOperator
 from db.message_storage import MessageStorageDB
 # 导入积分系统
 from db.points_db import PointsDBOperator, PointSource
+from utils.robot_cmd.robot_command import Feature, GroupBotManager, PermissionStatus
 from utils.wechat.contact_manager import ContactManager
 from wechat_ipad import WechatAPIClient
 from wechat_ipad.models.message import WxMessage, MessageType
@@ -317,8 +318,22 @@ class MessageStorage:
             batch_size: 每次处理多少条，默认20条
         """
         try:
+            enabled_groups = [
+                group_id
+                for group_id in GroupBotManager.local_cache.get("group_list", set())
+                if GroupBotManager.get_group_permission(group_id, Feature.MEDIA_DOWNLOAD) == PermissionStatus.ENABLED
+            ]
+
+            if not enabled_groups:
+                logger.debug("媒体下载功能未在任何群启用，跳过本轮媒体处理")
+                return
+
             # 查询未处理的图片/表情消息
-            pending_messages = self.message_db.get_pending_media_messages(minutes_ago, batch_size)
+            pending_messages = self.message_db.get_pending_media_messages(
+                minutes_ago,
+                batch_size,
+                group_ids=enabled_groups
+            )
             
             if not pending_messages:
                 logger.debug(f"未发现待处理的媒体消息（最近{minutes_ago}分钟）")