{
  "backend": "local-heuristic",
  "status": "clé API manquante",
  "language": "unknown",
  "visible_text": [],
  "blocks": [
    {
      "text": "",
      "role": "text_block",
      "position_hint": "83,0,450,112",
      "confidence": 1.0
    }
  ],
  "reading_order": [],
  "clean_plate_notes": [
    "Fallback local heuristics used because the Nano Banana backend is unavailable."
  ],
  "recommended_clean_prompt": "Remove all visible text while preserving the background and composition.",
  "detected_boxes": [
    [
      83,
      0,
      450,
      112
    ]
  ],
  "raw_model_output": null
}