- Add `.file-name` class with ellipsis truncation for long file names to prevent layout overflow.
- Apply truncation to metadata and file items in download and preview pages.
- Add `title` attributes to truncated names to show the full text on hover.
- Automatically close the file context menu when the mouse moves more than 80px away from it.
- Implement a token-authenticated admin console at `/admin` with overview metrics and file management.
- Add a background worker to periodically clean up expired boxes based on `WARPBOX_CLEANUP_EVERY`.
- Add a background worker to generate image and video thumbnails based on `WARPBOX_THUMBNAIL_EVERY`.
- Update file storage paths to use `@each@` and `@thumb@` prefixes to separate original files from thumbnails.
- Add severity fields to startup logs and update configuration templates.
