/v1/videos/{task_id} 或 /v1/video/generations/{task_id}(等价)。Authorization: Bearer ********************curl --location '/v1/videos/task_xxxxxxxxx' \
--header 'Authorization: Bearer <token>'{
"id": "task_xxxxxxxxx",
"status": "completed",
"progress": "100%",
"created_at": 1779243291,
"completed_at": 1779243450,
"metadata": {
"url": "https://.../result.mp4"
},
"error": null
}