Checkout via Koha REST, check-in through a secret-guarded script that runs Koha's AddReturn,
renewals, overdue list, add-a-person with auto card number, Code 39 library card page.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013wi3ZSot4XbUViwRFgLpRf