增加样例插件，修复统计数据(部分)，修复一个bug

src/plugin_system/apis/plugin_register_api.py

@@ -8,6 +8,7 @@ logger = get_logger("plugin_register")
 def register_plugin(cls):
     from src.plugin_system.core.plugin_manager import plugin_manager
     from src.plugin_system.base.base_plugin import BasePlugin
+    from src.plugin_system.base.base_event_plugin import BaseEventPlugin
 
     """插件注册装饰器
 
@@ -18,7 +19,7 @@ def register_plugin(cls):
             plugin_description = "我的插件"
             ...
     """
-    if not issubclass(cls, BasePlugin):
+    if not issubclass(cls, BasePlugin) and not issubclass(cls, BaseEventPlugin):
         logger.error(f"类 {cls.__name__} 不是 BasePlugin 的子类")
         return cls
 

src/plugin_system/base/base_events_handler.py

@@ -2,7 +2,7 @@ from abc import ABC, abstractmethod
 from typing import Tuple, Optional
 
 from src.common.logger import get_logger
-from .component_types import MaiMessages, EventType
+from .component_types import MaiMessages, EventType, EventHandlerInfo, ComponentType
 
 logger = get_logger("base_event_handler")
 
@@ -14,7 +14,7 @@ class BaseEventHandler(ABC):
     """
 
     event_type: EventType = EventType.UNKNOWN  # 事件类型，默认为未知
-    handler_name: str = ""
+    handler_name: str = ""  # 处理器名称
     handler_description: str = ""
     weight: int = 0  # 权重，数值越大优先级越高
     intercept_message: bool = False  # 是否拦截消息，默认为否
@@ -32,3 +32,17 @@ class BaseEventHandler(ABC):
             Tuple[bool, Optional[str]]: (是否执行成功, 可选的返回消息)
         """
         raise NotImplementedError("子类必须实现 execute 方法")
+
+    @classmethod
+    def get_handler_info(cls) -> "EventHandlerInfo":
+        """获取事件处理器的信息"""
+        # 从类属性读取名称，如果没有定义则使用类名自动生成
+        name: str = getattr(cls, "handler_name", cls.__name__.lower().replace("handler", ""))
+        return EventHandlerInfo(
+            name=name,
+            component_type=ComponentType.LISTENER,
+            description=getattr(cls, "handler_description", "events处理器"),
+            event_type=cls.event_type,
+            weight=cls.weight,
+            intercept_message=cls.intercept_message,
+        )

src/plugin_system/core/plugin_manager.py

@@ -512,6 +512,12 @@ class PluginManager:
                         config_status = "✅" if self.plugin_paths.get(plugin_name) else "❌"
                         logger.info(f"    ⚙️ 配置: {plugin_info.config_file} {config_status}")
 
+            root_path = Path(__file__)
+
+            # 查找项目根目录
+            while not (root_path / "pyproject.toml").exists() and root_path.parent != root_path:
+                root_path = root_path.parent
+
             # 显示目录统计
             logger.info("📂 加载目录统计:")
             for directory in self.plugin_directories:
@@ -519,7 +525,11 @@ class PluginManager:
                     plugins_in_dir = []
                     for plugin_name in self.loaded_plugins.keys():
                         plugin_path = self.plugin_paths.get(plugin_name, "")
-                        if plugin_path.startswith(directory):
+                        if (
+                            Path(plugin_path)
+                            .resolve()
+                            .is_relative_to(Path(os.path.join(str(root_path), directory)).resolve())
+                        ):
                             plugins_in_dir.append(plugin_name)
 
                     if plugins_in_dir: