{
  "date": "2026-11-05",
  "tool": "Built-in image_gen",
  "backendModel": null,
  "modelNote": "The tool result did not expose a backend model or inference settings",
  "lineage": "Base generated once; loop and fill edits independently referenced the same original PNG; cover separately referenced the base",
  "caseObservations": [
    {
      "name": "rembrandt-portrait-original",
      "title": "Rembrandt request",
      "observation": "Small illuminated patch below the camera-right eye bounded by nose and cheek shadow"
    },
    {
      "name": "rembrandt-loop-edit",
      "title": "Loop edit request",
      "observation": "Broader camera-right cheek illumination and a shorter nose shadow, with no isolated triangle"
    },
    {
      "name": "rembrandt-fill-edit",
      "title": "More fill request",
      "observation": "The shadow-side cheek becomes brighter and the triangle is less distinct"
    }
  ],
  "dimensions": {
    "rembrandt-portrait-original": {
      "width": 1122,
      "height": 1402
    },
    "rembrandt-loop-edit": {
      "width": 1122,
      "height": 1402
    },
    "rembrandt-fill-edit": {
      "width": 1122,
      "height": 1402
    }
  },
  "review": [
    "The broad fictional identity gaze crop and clothing remain close",
    "Hair skin texture shadow edges and tone can drift; no pixel alignment or isolated relighting is claimed",
    "No physical shoot, measured ratio, fixture angle or lux measurement",
    "No Clout provider job or video was produced"
  ],
  "diagram": "Authored conceptual plan in arbitrary units for the existing local planner; not an inferred rig or generator parameter"
}