            import yaml
            text=yaml.safe_dump(output['config'],allow_unicode=True,sort_keys=False);(folder/'config.yaml').write_text(text);artifacts.append('config.yaml');back=yaml.safe_load(text);unsafe=yaml.safe_load('answer: yes\nmode: on\n');check('字符串yes与on仍为字符串',back['answer']=='yes' and back['mode']=='on');check('布尔false没有变文字',back['enabled'] is False);check('冒号与多行文本回读一致',back['label']=='状态: 待确认' and back['note']=='第一行\n第二行');check('反例证明不加引号会触发PyYAML布尔规则',unsafe['answer'] is True and unsafe['mode'] is True);result={'parser':'PyYAML 6.0.2 SafeLoader（默认1.1布尔解析行为）','roundtrip':back,'unsafe_unquoted_example':unsafe,'yaml':text}
