feat(audit): 平滑升级-监听器+装饰器共存，装饰器自动检测并跳过已处理日志

inventory-backend/app/utils/decorators.py

@@ -301,6 +301,22 @@ def audit_log(module: str, action: str = None, get_target_id_fn=None, get_target
                         # 默认：记录请求 Payload
                         details = {'payload': filtered_payload}
 
+                    # ★ 关键：检查是否已被底层监听器处理
+                    # 如果底层已生成高级日志（changes/deleted_snapshot），则跳过简单的 payload 日志
+                    from flask import g, has_request_context
+                    if has_request_context() and hasattr(g, 'audit_handled_ids') and g.audit_handled_ids:
+                        # 构建检查 key: "module:target_id"
+                        check_key = f"{module}:{target_id}" if target_id else None
+                        if check_key and check_key in g.audit_handled_ids:
+                            # 底层已处理，跳过装饰器日志
+                            current_app.logger.info(f'[审计] 底层监听器已处理 {check_key}，跳过装饰器')
+                            return response
+                        # 也检查 target_name 是否匹配
+                        for key in g.audit_handled_ids:
+                            if target_name and target_name in key:
+                                current_app.logger.info(f'[审计] 底层监听器已处理 {key}，跳过装饰器')
+                                return response
+
                     # 保存日志
                     log_entry = AuditLog(
                         user_id=user_id,