{
  "requestId": "main-image-demo-low-confidence",
  "confidenceThreshold": 0.8,
  "tasks": [
    {
      "fileHint": "demo.psd",
      "modifications": [
        {
          "op": "replace_text",
          "layerName": "主标题",
          "newText": "新品上市",
          "confidence": 0.62
        }
      ]
    }
  ],
  "execution": {
    "dryRun": false,
    "force": false,
    "rollbackPolicy": "rollback_all"
  }
}
