Constant SUGGESTION 

const SUGGESTION: &str = r#"{"metadata": {},"top_logprobs": 0,"temperature": 1,"top_p": 0.98,"service_tier": "default","model": "mock-gpt","reasoning": {"effort": "medium","summary": "detailed"},"background": false,"text": {"format": {"type": "text"},"verbosity": "medium"},"tools": [],"tool_choice": "auto","truncation": "disabled","id": "resp_0","object": "response","status": "completed","created_at": 1776144780,"completed_at": 1776144781,"error": null,"incomplete_details": null,"output": [{"type": "message","id": "msg_0","response_id": "resp_0","phase": "final_answer","role": "assistant","content": [{"type": "output_text","text": "{\"suggestions\":[\"Can you pls help me?\",\"Nice weather we're having.\",\"Hello?\"]}","annotations": [],"logprobs": []}],"status": "completed"}],"instructions": null,"usage": {"input_tokens": 30,"input_tokens_details": {"cached_tokens": 0},"output_tokens": 15,"output_tokens_details": {"reasoning_tokens": 0},"total_tokens": 45},"parallel_tool_calls": true,"agent_reference": null}
"#;