Method cancel_task

src/web/task_manager.py:94–97

取消任务

(self, task_uuid: str)

        return _task_cancelled.get(task_uuid, False)

    def cancel_task(self, task_uuid: str):
        """取消任务"""
        _task_cancelled[task_uuid] = True
        logger.info(f"任务 {task_uuid} 已标记为取消")

    def add_log(self, task_uuid: str, log_message: str):
        """添加日志并推送到 WebSocket（线程安全）"""