dest/current/ stays a plain mirror; deleted/overwritten files are moved to dest/versions/YYYY-MM-DD/ so accidental deletions are recoverable while intentional --delete still propagates. Unchanged files in version folders are hardlinked via --link-dest to avoid extra disk cost. Supports local and remote (SSH) source/destination paths, saved jobs, and a cron hint. https://claude.ai/code/session_015SmW4EAD6mMLZGVCygy3GR