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/utils/http_utils.py

@@ -1,5 +1,4 @@
 import asyncio
-from collections import OrderedDict
 from collections.abc import AsyncGenerator, Awaitable, Callable, Sequence
 from contextlib import asynccontextmanager
 import os
@@ -21,6 +20,7 @@ from rich.progress import (
 import ujson as json
 
 from zhenxun.configs.config import BotConfig
+from zhenxun.services.cache.bounded_ttl import BoundedTTLCache
 from zhenxun.services.log import logger
 from zhenxun.utils.decorator.retry import Retry
 from zhenxun.utils.exception import AllURIsFailedError
@@ -168,7 +168,12 @@ class AsyncHttpx:
     _CONTENT_CACHE_TTL: ClassVar[float] = 3.0
     _CONTENT_CACHE_MAX_ITEMS: ClassVar[int] = 256
     _CONTENT_CACHE_MAX_BYTES: ClassVar[int] = 2 * 1024 * 1024
-    _content_cache: ClassVar[OrderedDict[str, tuple[float, bytes]]] = OrderedDict()
+    _content_cache: ClassVar[BoundedTTLCache[str, bytes]] = BoundedTTLCache(
+        "HTTP_IMAGE_CONTENT",
+        ttl_seconds=_CONTENT_CACHE_TTL,
+        max_items=_CONTENT_CACHE_MAX_ITEMS,
+        max_total_bytes=_CONTENT_CACHE_MAX_BYTES,
+    )
     _content_inflight: ClassVar[dict[str, asyncio.Task[Response]]] = {}
     _content_cache_lock: ClassVar[asyncio.Lock] = asyncio.Lock()
 
@@ -191,29 +196,6 @@ class AsyncHttpx:
             return True
         return "qpic.cn" in lower_url or "qlogo.cn" in lower_url
 
-    @classmethod
-    def _get_cached_content_nolock(cls, key: str) -> bytes | None:
-        entry = cls._content_cache.get(key)
-        if not entry:
-            return None
-        expire_at, content = entry
-        if expire_at <= time.monotonic():
-            cls._content_cache.pop(key, None)
-            return None
-        cls._content_cache.move_to_end(key)
-        return content
-
-    @classmethod
-    def _cleanup_content_cache_nolock(cls) -> None:
-        now = time.monotonic()
-        while cls._content_cache:
-            expire_at, _ = next(iter(cls._content_cache.values()))
-            if expire_at > now:
-                break
-            cls._content_cache.popitem(last=False)
-        while len(cls._content_cache) > cls._CONTENT_CACHE_MAX_ITEMS:
-            cls._content_cache.popitem(last=False)
-
     @classmethod
     async def _try_cache_content(cls, key: str, response: Response) -> None:
         content = response.content
@@ -223,13 +205,7 @@ class AsyncHttpx:
         is_image = content_type.startswith("image/") or cls._is_probably_image_url(key)
         if not is_image:
             return
-        async with cls._content_cache_lock:
-            cls._content_cache[key] = (
-                time.monotonic() + cls._CONTENT_CACHE_TTL,
-                content,
-            )
-            cls._content_cache.move_to_end(key)
-            cls._cleanup_content_cache_nolock()
+        await cls._content_cache.set(key, content)
 
     @classmethod
     def _prepare_temporary_client_config(cls, client_kwargs: dict) -> dict:
@@ -450,9 +426,11 @@ class AsyncHttpx:
             return res.content
 
         cache_key = url
+        if cached := await cls._content_cache.get(cache_key):
+            return cached
+
         async with cls._content_cache_lock:
-            cached = cls._get_cached_content_nolock(cache_key)
-            if cached is not None:
+            if cached := await cls._content_cache.get(cache_key):
                 return cached
             task = cls._content_inflight.get(cache_key)
             if task is None: