{
    "widgettype": "VBox",
    "options": {
        "cheight": 40,
        "width": "100%"
    },
    "subwidgets": [
        {
            "widgettype": "DataViewer",
            "options": {
                "data_url": "{{entire_url('/api/engines')}}",
                "columns": [
                    {"field": "engine_type", "title": "引擎类型", "width": "20%"},
                    {"field": "engine_name", "title": "名称", "width": "20%"},
                    {"field": "endpoint_url", "title": "服务地址", "width": "30%"},
                    {"field": "model_name", "title": "模型", "width": "15%"},
                    {"field": "status", "title": "状态", "width": "15%"}
                ]
            }
        }
    ]
}