Method callback

src/web/task_manager.py:392–397

(msg: str)

    def create_log_callback(self, task_uuid: str, prefix: str = "", batch_id: str = "") -> Callable[[str], None]:
        """创建日志回调函数，可附加任务编号前缀，并同时推送到批量任务频道"""
        def callback(msg: str):
            full_msg = f"{prefix} {msg}" if prefix else msg
            self.add_log(task_uuid, full_msg)
            # 如果属于批量任务，同步推送到 batch 频道，前端可在混合日志中看到详细步骤
            if batch_id:
                self.add_batch_log(batch_id, full_msg)
        return callback

    def create_check_cancelled_callback(self, task_uuid: str) -> Callable[[], bool]: