性能优化 (#2126)

* 性能优化

* 代码改进

* 优化浏览器代际切换逻辑

* 统一缓存与生命周期

* 添加aiomysql依赖

* 优化插件路径处理逻辑，简化条件判断；在虚拟环境包管理器中添加编码和错误处理参数以增强稳定性

* 🚨 auto fix by pre-commit hooks

* 优化Windows下的关闭逻辑

* 代码优化

* bugfix:修复配置重载问题

* bugfix:修复插件加载启动竞态问题

* 收敛事件入口和权限上下文

* 优化 Windows launcher 关闭重启兜底

---------

Co-authored-by: HibiKier <775757368@qq.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

zhenxun/builtin_plugins/web_ui/api/logs/logs.py

@@ -3,7 +3,7 @@ from loguru import logger
 from nonebot.utils import escape_tag
 from starlette.websockets import WebSocket, WebSocketDisconnect, WebSocketState
 
-from .log_manager import LOG_STORAGE
+from .log_manager import LOG_STORAGE, ensure_log_sink_started, stop_log_sink_if_idle
 
 router = APIRouter()
 
@@ -11,11 +11,16 @@ router = APIRouter()
 @router.websocket("/logs")
 async def system_logs_realtime(websocket: WebSocket):
     await websocket.accept()
+    await ensure_log_sink_started()
 
     async def log_listener(log: str):
         await websocket.send_text(log)
 
-    LOG_STORAGE.listeners.add(log_listener)
+    if not LOG_STORAGE.add_listener(log_listener):
+        await websocket.send_text("日志连接数已达上限，请稍后再试。")
+        await websocket.close()
+        stop_log_sink_if_idle()
+        return
     try:
         while websocket.client_state == WebSocketState.CONNECTED:
             recv = await websocket.receive()
@@ -26,4 +31,5 @@ async def system_logs_realtime(websocket: WebSocket):
     except WebSocketDisconnect:
         pass
     finally:
-        LOG_STORAGE.listeners.remove(log_listener)
+        LOG_STORAGE.remove_listener(log_listener)
+        stop_log_sink_if_idle()