- Introduced `is_disabled` attribute to the User model.
- Added `expiry_action` selection in the GeneralSettingsForm for user management.
- Implemented `disable_user` methods for various media clients (Audiobookshelf, Jellyfin, Kavita, etc.) to handle user disabling.
- Updated `check_expiring` task to process expired users based on the new settings.
- Enhanced user interface to reflect disabled status in user cards.
- Added migration for the new `is_disabled` column in the user table.