{"message":"钉钉文件上传服务 v2.1","version":"2.1.0","docs":"/docs","endpoints":{"GET /health":"健康检查","GET /info":"服务信息","POST /upload":"智能文件上传","POST /upload/local":"本地文件上传","POST /auth/token":"获取访问Token","POST /auth/validate":"验证Token有效性","POST /storage/upload":"上传文件到本地存储","GET /storage/files/{filename}":"获取存储的文件"},"authentication":{"type":"Bearer Token","header":"Authorization: Bearer <your_token>","get_token":"POST /auth/token"}}