{
  "widgettype": "VBox",
  "options": {"width": "100%", "height": "100%", "padding": "20px"},
  "subwidgets": [
    {"widgettype": "Text", "options": {"label": "实体文件导入", "fontSize": "20px"}},
    {"widgettype": "Text", "options": {"label": "支持 JSON 数组 / JSON Lines / CSV（表头 name,code,world_id,scene_id,entity_type,status,attributes_json）。事务批量：任一条校验失败整批回滚，无脏数据。"}},
    {"widgettype": "Form",
     "options": {
       "width": "100%",
       "submit_url": "{{entire_url('/entity/api/entity_import.dspy')}}",
       "method": "POST",
       "fields": [
         {"name": "world_id", "label": "目标世界ID", "uitype": "code", "dataurl": "{{entire_url('/entity/api/get_search_world_id.dspy')}}"},
         {"name": "scene_id", "label": "目标场景ID", "uitype": "code", "dataurl": "{{entire_url('/entity/api/get_search_scene_id.dspy')}}"},
         {"name": "file_name", "label": "文件名", "uitype": "text"},
         {"name": "file", "label": "导入文件", "uitype": "file", "required": true}
       ],
       "buttons": [{"label": "开始导入", "type": "submit"}]
     }}
  ]
}