- Added error checks for `samba-tool dns add` and `update` to handle pre-existing records gracefully.
- Improved Kerberos cache validation with warnings and hints for unreadable or missing caches.
- Updated usage examples to provide better guidance for Kerberos authentication.
- Added logic to auto-set `KRB5CCNAME` from the sudo user's Kerberos cache, if available.
- Improved logging to indicate when the Kerberos cache is automatically utilized.
- Replaced `-k yes` with `--use-kerberos=required` for all `samba-tool` commands.
- Added Kerberos ticket validation with warnings for unset or missing `KRB5CCNAME`.
- Updated usage example to emphasize preserving Kerberos ticket via `sudo -E`.
- Added `init-prole-dns.sh` to sync host records to Samba AD DNS.
- Included a fallback `hosts.txt` for static entries when Postgres is unavailable.
- Script supports operations such as start, stop, sync, status, and flush.
- Integrated cron-based hourly sync functionality.
