MADHOUSE / PHASE 8

Credit ledger sandbox.

SIMULATOR · NO REAL CUSTOMER DATA OR MONEY — All examples use fictional payments. Nothing is saved to Firestore, Business Control, or a member Trip Credit Bank. Live membership syncs are unchanged.

Owner sign-in required

Sign into your verified MADHOUSE owner account first, then reopen this page.

Open member sign-in

Demo credit available$0.00

Demo credits held for trips$0.00

Demo credits redeemed$0.00

Accepted demo events0

Simulate a transaction

Event type Amount ($), excluding tax Test payment ID or trip code

Use a new payment ID for each distinct payment. Same payment ID cannot credit twice.

Policy being tested

50%Successful subscription payment after discounts (tax excluded)

100%Additional purchased Trip Credits

$0Free first-year complimentary billing periods

ForeverExisting credits do not expire

Refunds involving held or spent credits are flagged for manual review, not automatically deducted into a negative balance. Trip cancellations restore allocated credits exactly once.

Sandbox audit history

Event	Reference	Cash / credit	Outcome

Production readiness remaining: reconcile live source balances and payment IDs; implement owner-only server transaction API; verify atomic idempotent commits; configure alerts, backups, rollback, and permissions; test refunds and cancellation paths; dual-run without credit issuance; then approve cutover.