GET http://localhost:5155/gw_ai_class/api/videos_all/工作总结专题/第3天 个人工作总结演示操作精讲/
For JSON format, add the query parameter: ?format=json
GET http://localhost:{{port}}/folder/videos_all/工作总结专题/第3天 个人工作总结演示操作精讲/
Always returns JSON with directory structure and navigation links