{
  "variant": "selected_highstep",
  "description": "前两轮每个 case 的最佳路线 + 24 step multidiffusion",
  "mode": "multidiffusion",
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  "elapsed_sec": 6.406952142715454,
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  ],
  "num_inputs": 2,
  "note": "GPT back 方向错误，优先信任原图。",
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  "mesh_video": "quality_optimization/robot/selected_highstep/mesh_normal.mp4",
  "mesh_preview": "quality_optimization/robot/selected_highstep/mesh_preview.png",
  "raw_mesh": "quality_optimization/robot/selected_highstep/mesh_raw.obj",
  "raw_mesh_status": "ok"
}