- admin_api/views.py: PartnerMeCheckInView — validates ticket belongs to partner's event, marks is_checked_in=True, returns name/ticket/event/ alreadyCheckedIn; uses IsAuthenticated (Bearer JWT, not body token) - admin_api/urls.py: wire partners/me/check-in/ Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>