Mollie, checkout, Yuki, Ponto, BTW - centrale lib-paden in apps/web (geen hallucinated routes).
Geldstroom en integriteit: enige waarheid via services en DB, geen zelfbedachte bedragen in UI/mail.
apps/web/src/lib/payments/mollie.tsapps/web/src/lib/payments/mollie-order-resource.ts (isMollieOrdersApiId).cursor/rules/330-MOLLIE-ORDER-ID-AND-STALE-PSP-SSOT.mdc - runMollieLiveReconcileForOrderId, npm run reconcile:mollie-liveapps/web/src/lib/checkout/checkout-service.tsapps/web/src/app/api/checkout/webhook/route.tsapps/web/src/lib/commerce/invoice-service.tsapps/web/src/lib/commerce/financial-sync-engine.tsapps/web/src/lib/compliance/vat-service.tsapps/web/src/lib/payments/ponto-bridge.tsapps/web/src/lib/services/payout-readiness-service.tsnpx tsx scripts/test-yuki-sync.ts (indien relevant voor de taak)003-BUSINESS-GLOSSARY.mdc, 002-DEVELOPER-GUIDELINES.mdc.