- Seed checks for any admin role instead of username='admin'
- Username change open to all registered users (was admin-only)
- New change-email endpoint requiring password confirmation
- Settings page: inline editing for username and email
- Invitations: await refresh after generate so list updates visibly
- Invitations: revoke button to delete unused invites (admin only)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>