Pass-reserved waitlist row — the slot was decremented at join time so promotion goes straight to confirmed without further payment.

Membership-reserved waitlist row — same flow as a pass; the membership's session balance was debited at join time and promotion goes straight to confirmed.

Free activity — no payment required, promotion goes straight to confirmed.

Card-on-file flow — either auto-charged (when a reserved or account-default card is available) or sent an offer email so the customer can complete payment themselves.