feat: 优化整体项目

WechatHook/callbacks.py

@@ -126,6 +126,59 @@ def add_callback_handler(callback_handler):
             logger.debug(f"注册断开回调: {name}")
 
 
+def remove_callback_handler(callback_handler):
+    """
+    移除回调处理器实例（修复内存泄漏）
+
+    Args:
+        callback_handler: 包含回调方法的对象
+    """
+    global _GLOBAL_CONNECT_CALLBACK_LIST, _GLOBAL_RECV_CALLBACK_LIST, _GLOBAL_CLOSE_CALLBACK_LIST
+
+    # 移除属于该处理器的所有回调
+    _GLOBAL_CONNECT_CALLBACK_LIST = [
+        f for f in _GLOBAL_CONNECT_CALLBACK_LIST
+        if not (hasattr(f, '__self__') and f.__self__ is callback_handler)
+    ]
+    _GLOBAL_RECV_CALLBACK_LIST = [
+        f for f in _GLOBAL_RECV_CALLBACK_LIST
+        if not (hasattr(f, '__self__') and f.__self__ is callback_handler)
+    ]
+    _GLOBAL_CLOSE_CALLBACK_LIST = [
+        f for f in _GLOBAL_CLOSE_CALLBACK_LIST
+        if not (hasattr(f, '__self__') and f.__self__ is callback_handler)
+    ]
+
+    logger.debug(f"已移除回调处理器: {type(callback_handler).__name__}")
+
+
+def clear_all_callbacks():
+    """
+    清空所有回调（用于关闭时清理）
+    """
+    global _GLOBAL_CONNECT_CALLBACK_LIST, _GLOBAL_RECV_CALLBACK_LIST, _GLOBAL_CLOSE_CALLBACK_LIST
+
+    _GLOBAL_CONNECT_CALLBACK_LIST.clear()
+    _GLOBAL_RECV_CALLBACK_LIST.clear()
+    _GLOBAL_CLOSE_CALLBACK_LIST.clear()
+
+    logger.debug("已清空所有回调")
+
+
+def get_callback_count() -> dict:
+    """
+    获取回调数量统计
+
+    Returns:
+        回调数量字典
+    """
+    return {
+        "connect": len(_GLOBAL_CONNECT_CALLBACK_LIST),
+        "recv": len(_GLOBAL_RECV_CALLBACK_LIST),
+        "close": len(_GLOBAL_CLOSE_CALLBACK_LIST)
+    }
+
+
 @WINFUNCTYPE(None, ctypes.c_void_p)
 def wechat_connect_callback(client_id):
     """