{
  "type": "password",
  "key": "chatbot_grok_api_key",
  "constant": "CHATBOT_GROK_API_KEY",
  "description": "xAI (Grok) API key",
  "required": false,
  "placeholder": "xai-...",
  "validation": "string|max:255",
  "options": [],
  "category": "chatbot",
  "sensitive": true
}