创建视频编辑任务

curl --location --request POST 'https://api.modellink.online/xai-video/v1/videos/edits' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "grok-imagine-video",
    "prompt": "Change the sky to a dramatic orange sunset while keeping the person unchanged",
    "video": {
        "url": "https://cdn.example.com/source-video.mp4"
    }
}'