{
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "decision": {
      "type": "string",
      "enum": ["merge", "comment"]
    },
    "message": {
      "type": "string"
    },
    "confidence": {
      "type": "string",
      "enum": ["low", "medium", "high"]
    }
  },
  "required": ["decision", "message", "confidence"]
}