Revert "调整插件执行模式并修复全球新闻后台线程"

This reverts commit adbf4471cf.

plugins/value_rank/main.py

@@ -571,11 +571,6 @@ class ValueRankPlugin(MessagePluginInterface):
         self.mention_batch_size = 200
         self.mention_window_start_minutes = 20
         self.mention_window_end_minutes = 10
-        # 身价排行里只有少数命令是真正的长任务：
-        # 1. `社交关系图` 需要拼 HTML 再截图渲染；
-        # 2. `重算身价` 会扫描整群候选成员并重写快照；
-        # 3. 其他榜单/说明类命令基本是读库拼文本，不值得全部切到后台。
-        self._background_commands = {"社交关系图", "重算身价"}
 
     def initialize(self, context: Dict[str, Any]) -> bool:
         """初始化插件与配置。"""
@@ -644,26 +639,6 @@ class ValueRankPlugin(MessagePluginInterface):
         command = content.split(" ")[0]
         return command in self._commands
 
-    def get_message_dispatch_mode(self, message: Dict[str, Any]) -> str:
-        """按命令决定是否切入后台任务池。"""
-        content = str(message.get("content", "") or "").strip()
-        command = content.split()[0] if content else ""
-        if command in self._background_commands:
-            # 这两个命令明显比普通查询重很多：
-            # 1. `社交关系图` 的瓶颈主要在模板渲染与截图；
-            # 2. `重算身价` 会遍历群成员并批量回写快照；
-            # 3. 改成后台后，轻量榜单查询就不会再被这类维护型命令拖住。
-            return self.normalize_message_dispatch_mode("background")
-        return super().get_message_dispatch_mode(message)
-
-    def get_message_process_timeout_seconds(self, message: Dict[str, Any]) -> Optional[int]:
-        """为重渲染/重算命令单独放宽总超时。"""
-        content = str(message.get("content", "") or "").strip()
-        command = content.split()[0] if content else ""
-        if command in self._background_commands:
-            return 240
-        return None
-
     @plugin_stats_decorator(plugin_name="身价排行")
     async def process_message(self, message: Dict[str, Any]) -> Tuple[bool, Optional[str]]:
         """处理用户命令入口。"""