{
  "mode": "colors-and-lighting",
  "mode_label": "Colors & Lighting",
  "aggression_1_to_5": 1,
  "prompt": "Edit this exact room photo. Preserve the room's architecture exactly: same walls, ceiling, floor footprint, window and door positions and sizes, same camera angle and perspective, same room proportions. Do not add or remove windows, doors, or walls. The result must be instantly recognisable as the same room, redesigned. Change ONLY the wall colour and the lighting mood (warmer, layered light). Every piece of furniture, its position, and every object stays exactly where it is. Photorealistic interior photograph, natural light, no warped furniture, no melted objects, no extra handles or limbs, no text or watermark.",
  "backend_stage1": "muse-media-image-edit (Gemini-route stand-in, $0 API)",
  "scores": {
    "edge_corr": 0.809,
    "layout_corr": 0.968,
    "arch_edge_corr": 0.785,
    "arch_survival": 0.85,
    "arch_mask_coverage_pct": 20.0
  },
  "auto_verdict": "PASS \u2014 shell preserved (architectural-mask gate)",
  "visual_qc": "PASS \u2014 exemplary preservation (Stage 1 visual QC)",
  "gate_final": "PASS \u2014 shell preserved (architectural-mask gate)"
}