usage: tautline purge-archive [-h] --project PROJECT
                              [--archive-dir ARCHIVE_DIR] [--dry-run]

options:
  -h, --help            show this help message and exit
  --project PROJECT     Project/tenant name (slugified) whose artifacts to
                        erase.
  --archive-dir ARCHIVE_DIR
                        Archive directory to purge from; default: the
                        canonical checkout's docs/backlog/session-journals.
  --dry-run             Preview removals without changing anything.
