- Max 10 pending invites per user (400 if exceeded)
- List sorted: pending → used → expired
- Expired invites hidden after 30 days
- Frontend shows error toast from server message on invite creation failure
- Tests: testInviteMaxTenPending, testInviteListSortOrder, testInviteExpiredHiddenAfter30Days
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Symfony 8 SPA with Doctrine ORM, Symfony Security, vanilla JS frontend.
Migrated from plain PHP (delight-im/auth + raw SQL) to full Symfony stack.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>