feat: 添加测试用例并优化代码结构

refactor(permission_manager): 调整初始化顺序和逻辑
fix(admin_manager): 修复初始化逻辑和目录创建问题
feat(ws): 优化Bot实例初始化条件
feat(message): 增强MessageSegment功能并添加测试
feat(events): 支持字符串格式的消息解析
test: 添加核心功能测试用例
refactor(plugin_manager): 改进插件路径处理
style: 清理无用导入和代码
chore: 更新依赖项

core/handlers/event_handler.py

@@ -6,11 +6,12 @@
 """
 import inspect
 from abc import ABC, abstractmethod
-from typing import Any, Callable, Dict, List, Optional, Tuple
+from typing import Any, Callable, Dict, List, Optional, Tuple, TYPE_CHECKING
 
-from ..bot import Bot
+if TYPE_CHECKING:
+    from ..bot import Bot
 from ..config_loader import global_config
-from ..managers.permission_manager import Permission
+from ..permission import Permission
 from ..utils.executor import run_in_thread_pool
 
 
@@ -22,7 +23,7 @@ class BaseHandler(ABC):
         self.handlers: List[Dict[str, Any]] = []
 
     @abstractmethod
-    async def handle(self, bot: Bot, event: Any):
+    async def handle(self, bot: "Bot", event: Any):
         """
         处理事件
         """
@@ -31,7 +32,7 @@ class BaseHandler(ABC):
     async def _run_handler(
         self,
         func: Callable,
-        bot: Bot,
+        bot: "Bot",
         event: Any,
         args: Optional[List[str]] = None,
         permission_granted: Optional[bool] = None
@@ -122,7 +123,7 @@ class MessageHandler(BaseHandler):
             return func
         return decorator
 
-    async def handle(self, bot: Bot, event: Any):
+    async def handle(self, bot: "Bot", event: Any):
         """
         处理消息事件，分发给命令处理器或通用消息处理器
         """