What must be proven
This room describes concrete readiness proof and stop signals before live payments.
- • product_id is fixed before checkout
- • webhook is the source of truth
- • delivery has idempotency
- • support can recover a lost link
checkout delivery
Legendary checkout standard
Single standard: product → checkout → webhook → unlock → artifact → email → archive → support.
Verify the full path from product to delivered result, not one pretty page.
Operator check
The check passes only when webhook, unlock, delivery, archive, support, and deletion dry run line up.
- • Do not trust Stripe redirect alone.
- • Do not send the full answer in email preview.
- • Do not store public share as private artifact.
- • Do not start ads before test order signoff.
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