{
    "widgettype": "VBox",
    "options": {
        "cheight": 40,
        "width": "100%"
    },
    "subwidgets": [
        {
            "widgettype": "DataViewer",
            "options": {
                "data_url": "{{entire_url('/api/kb/list')}}",
                "columns": [
                    {"field": "name", "title": "名称", "width": "25%"},
                    {"field": "description", "title": "描述", "width": "35%"},
                    {"field": "doc_count", "title": "文档数", "width": "10%"},
                    {"field": "embedding_engine", "title": "向量引擎", "width": "15%"},
                    {"field": "created_at", "title": "创建时间", "width": "15%"}
                ]
            }
        }
    ]
}