GET https://top.qingyuntop.ai/v1/responses/{response_id}
queued 或 in_progress 时继续查询；completed 时读取 metadata.task_id。output 中的 <video controls ...> 是预览文本，不是文件。
GET https://top.qingyuntop.ai/v1/videos/{task_id}/content
curl --fail-with-body "https://top.qingyuntop.ai/v1/responses/RESPONSE_ID" -H "Authorization: Bearer YOUR_API_KEY"
curl --fail-with-body "https://top.qingyuntop.ai/v1/videos/VIDEO_TASK_ID/content" -H "Authorization: Bearer YOUR_API_KEY" -o sora-responses-video.mp4