GET http://localhost:5155/gw_ai_class/api/videos_all/工作总结专题/第7天 工作总结体系全面复盘及终极难点/
For JSON format, add the query parameter: ?format=json
GET http://localhost:{{port}}/folder/videos_all/工作总结专题/第7天 工作总结体系全面复盘及终极难点/
Always returns JSON with directory structure and navigation links