Add the -L (--copy-links) flag to rsync calls for systemd units and cron directories to dereference symlinks into actual target files, resolving "Operation not permitted" failures on non-POSIX target filesystems.
- Add 30-day retention pruning and latest.txt pointer - Backup systemd units, root crontab, and system cron configs - Export dpkg selections and apt manual package recovery lists - Consolidate ntfy notifications into a single execution alert