{"evidence":"SDK preview 返回退出码 0 且得到可解码的图片字节；本地检查错误地只接受 PNG，断言在保存文件前失败。未标记完整成功，将通过新的预览请求取得可归档二维码。","origin":"local-machine-validation","recorded_at":"2026-09-24T06:33:12.108Z","result":"artifact-lost"}