{
  "endpoint_type": "image2video",
  "payload": {
    "model_name": "kling-v3-omni",
    "image": "file:///Users/moon/.openclaw/workspace/youtube-automation/outputs/test_ref.png",
    "prompt": "Subtle cinematic camera motion, realistic",
    "duration": "3",
    "mode": "std",
    "aspect_ratio": "16:9",
    "external_task_id": "smoke_image_2"
  },
  "response": {
    "error": "HTTP Error 400: Bad Request",
    "status_code": 400,
    "response_body": "{\"code\":1201,\"message\":\"File is not in a valid base64 format\",\"request_id\":\"f246a78a-ab6a-4fae-b237-3749bd9500b6\"}",
    "category": "malformed"
  }
}