curl --request POST \
  --url http://localhost:8000/api/v1/client/videos/replace \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form video='@example-file' \
  --form ref_image='@example-file' \
  --form model=Wan2_2_Animate \
  --form 'prompt=<string>' \
  --form width=123 \
  --form height=123 \
  --form steps=4 \
  --form seed=-1 \
  --form 'webhook_url=<string>'

{
  "data": {
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}