messages [ChatMessage(role='user', content='What is 2 + 2?', name=None, tool_calls=None, tool_call_id=None)] request_data {'messages': [{'role': 'user', 'content': 'What is 2 + 2?'}]} REQUEST: {'messages': [{'role': 'user', 'content': 'What is 2 + 2?'}], 'model': 'shuttle-3.5', 'stream': False, 'temperature': 0.7, 'max_tokens': 100} 4