配置文件json路径

~/.moonagent/models/models.json

[
    {
        "name": "sonnet4",
        "description": "Claude Sonnet model for general tasks",
        "model_name": "anthropic/claude-sonnet-4",
        "model_type": "saas/openai",
        "base_url": "https://openrouter.ai/api/v1",
        "is_reasoning": false,
        "input_price": 3.0,
        "output_price": 15.0,
        "max_output_tokens": 8096,
        "context_window": 200000,
        "api_key": "your-api-key-here"
    },
    {
        "name": "k2",
        "description": "Moonshot Kimi model for cost-effective tasks",
        "model_name": "kimi-k2-0711-preview",
        "model_type": "saas/openai",
        "base_url": "https://api.moonshot.cn/v1",
        "is_reasoning": false,
        "input_price": 0.28,
        "output_price": 2.28,
        "max_output_tokens": 8096,
        "context_window": 120000,
        "api_key": "your-api-key-here"
    }
]