- Move acme.sh utilities (_run_acme, _find_acme, etc.) from lib/state to lib/acme
- Rewrite _parse_list_output to support pipe, tab, and column-separated formats
- Add ConflictError (409) to block issuing when cert already exists
- Move _find_issuance helper to detect in-progress issuance per domain
- Update issue_cert to check existing certs and return issuance status
- Fix start_polling to accept event loop explicitly
- Add sudoers entry for chown on vacuum-wall.conf
- Extend systemd ReadWritePaths for /run/nginx.pid and /var/log/nginx
- Update frontend to handle 'existing' issuance status
mteehan
398831b6e2