{
"system_prompt_text": "string",
"llm_api_key": "string",
"not_found_answer": "string",
"tone": "string",
"chunk_overlap": "string",
"enable_chatbot_memory": true,
"question_pre_processing": true,
"past_questions_limit": 0,
"temperature": "string",
"thinking_mode": "string",
"chunk_size": 0
}