{
  "widgettype": "HBox",
  "id": "root",
  "options": {
    "css": "filler",
    "gap": "0px"
  },
  "subwidgets": [
    {
      "widgettype": "VBox",
      "id": "sidebar",
      "options": {
        "width": "220px",
        "bgcolor": "#1f2937",
        "padding": "12px"
      },
      "subwidgets": [
        {
          "widgettype": "Text",
          "id": "logo",
          "options": {
            "otext": "元景平台",
            "cfontsize": 1.2,
            "color": "#ffffff",
            "halign": "left",
            "css": "filler"
          }
        },
        {
          "widgettype": "Menu",
          "id": "main_menu",
          "options": {
            "menuitem_css": "menuitem",
            "items": [
              {"name": "world", "label": "世界管理", "url": "{{entire_url('/world/index.ui')}}", "target": "app.main_content"},
              {"name": "scene", "label": "场景管理", "url": "{{entire_url('/scene/index.ui')}}", "target": "app.main_content"},
              {"name": "entity", "label": "实体管理", "url": "{{entire_url('/entity/index.ui')}}", "target": "app.main_content"},
              {"name": "script_engine", "label": "逻辑脚本", "url": "{{entire_url('/script_engine/index.ui')}}", "target": "app.main_content"},
              {"name": "world_snapshot", "label": "世界快照", "url": "{{entire_url('/world_snapshot/index.ui')}}", "target": "app.main_content"},
              {"name": "world_sync", "label": "世界同步", "url": "{{entire_url('/world_sync/index.ui')}}", "target": "app.main_content"}
            ]
          }
        }
      ]
    },
    {
      "widgettype": "VScrollPanel",
      "id": "main_content",
      "options": {
        "css": "filler"
      },
      "subwidgets": [
        {
          "widgettype": "Text",
          "id": "welcome",
          "options": {
            "otext": "欢迎使用元景平台",
            "cfontsize": 1.5,
            "halign": "left"
          }
        }
      ]
    }
  ]
}