{
  "case_id": "00007f18662f40a9_pan_left",
  "step": "camera",
  "source_video": "videos/00007f18662f40a9_pan_left/i2v.mp4",
  "edited_video": "videos/00007f18662f40a9_pan_left/camera.mp4",
  "instruction_en": "Pan the camera left",
  "instruction_zh": "镜头向左平移",
  "cam_type": 2,
  "cam_name": "Pan Left"
}