Add a Supabase trigger that creates delivery invitations and writes delivery_link on order_groups changes. n8n can now consume link_ready rows without calling the edge function first.
- Fix bug in transfer-to-logistics: body.note was incorrectly used for delivery_agreement_status
- Add quick actions section in OrderDetailPanel for status changes (visible to role)
- Add driver assignment buttons for logistician/admin
- Add demo login buttons for all roles (works with real Supabase config)
- Add loginAsDemoUser function to AuthContext for quick demo login