{
  "type": "object",
  "required": [
    "documentVersionId",
    "blockId"
  ],
  "properties": {
    "documentVersionId": {
      "type": "string",
      "description": "Current document version used to reject stale repair suggestions."
    },
    "blockId": {
      "type": "string",
      "description": "Target semantic block identifier."
    }
  },
  "additionalProperties": false
}