=== 測試只使用 Search Tools ===

請求資料:
{
    "model": "grok-4-1-fast-reasoning",
    "messages": [
        {
            "role": "user",
            "content": "今天是幾月幾號？請用繁體中文回答。"
        }
    ],
    "tools": [
        {
            "type": "web_search"
        }
    ]
}

✓ API 請求成功！

模型: grok-4-1-fast-reasoning
回應: 今天是2025年12月31日。

完整回應:
{
    "id": "339fa74d-aed4-e30f-8321-8b4848af59ca",
    "object": "chat.completion",
    "created": 1767166612,
    "model": "grok-4-1-fast-reasoning",
    "choices": [
        {
            "index": 0,
            "message": {
                "role": "assistant",
                "content": "今天是2025年12月31日。"
            },
            "finish_reason": "stop"
        }
    ],
    "usage": {
        "input_tokens": 1077,
        "input_tokens_details": {
            "cached_tokens": 1076
        },
        "output_tokens": 162,
        "output_tokens_details": {
            "reasoning_tokens": 152
        },
        "total_tokens": 1239,
        "num_sources_used": 0,
        "num_server_side_tools_used": 0
    },
    "response_id": "339fa74d-aed4-e30f-8321-8b4848af59ca"
}

=== 測試完成 ===