{
  "type": "text",
  "key": "chatbot_perplexity_base_url",
  "constant": "CHATBOT_PERPLEXITY_BASE_URL",
  "description": "Perplexity base URL (e.g., https://api.perplexity.ai)",
  "required": false,
  "placeholder": "https://api.perplexity.ai",
  "validation": "string|max:255",
  "options": [],
  "category": "chatbot",
  "sensitive": false
}