fix Config reload

app/schemas/event.py

@@ -22,6 +22,16 @@ class BaseEventData(BaseModel):
     pass
 
 
+class ConfigChangeEventData(BaseEventData):
+    """
+    ConfigChange 事件的数据模型
+    """
+    key: str = Field(..., description="配置项的键")
+    old_value: Optional[Any] = Field(default=None, description="配置项的旧值")
+    new_value: Optional[Any] = Field(default=None, description="配置项的新值")
+    change_type: str = Field(default="update", description="配置项的变更类型，如 'add', 'update', 'delete'")
+
+
 class ChainEventData(BaseEventData):
     """
     链式事件数据的基类，所有具体事件数据类应继承自此类