Nextcloud file and folder management via WebDAV + OCS API. Use when: (1) creating, reading, writing, renaming, moving, copying, or deleting files/folders, (2) listing or searching directory contents, (3) toggling favorites or managing system tags, (4) checking storage quota. NOT for: Nextcloud Talk, Calendar/Contacts (use CalDAV), app management (requires admin), large binary transfers, or creating share links (share capability not included by default - see README).

通过 WebDAV 和 OCS API 管理 Nextcloud 的文件和文件夹。适用场景：(1) 创建、读取、写入、重命名、移动、复制或删除文件/文件夹；(2) 列出或搜索目录内容；(3) 切换收藏或管理系统标签；(4) 查看存储配额。不适用于：Nextcloud Talk、日历/联系人（请使用 CalDAV）、应用管理（需管理员权限）、大二进制文件传输，或创建分享链接（默认不支持分享功能——详情请参阅 README）