PASS no discount PASS coupon reduces margin PASS coupon eliminates margin PASS discount capped PASS no negative commission PASS empty cart PASS invalid quantity Route/controller structural audit: 140 route actions inspected PASS: No missing route controllers or methods found PASS COD forced on checkout PASS Checkout key uniqueness migration PASS Creator withdrawal serialized PASS Creator payout pending accounted PASS Commission return exclusion PASS Creator price selection checked PASS Gateway integrations disabled PASS Checkout transaction PASS Variant stock ledger PASS Warehouse QC gate 10/10 structural checks passed Secret vault round-trip and tamper detection PASS PASS HTML sanitizer 0 PASS HTML sanitizer 1 PASS HTML sanitizer 2 PASS HTML sanitizer 3 PASS custom sandbox policy ThemePackage: 6/6 tests passed 5 coupon math tests passed PASS creator override applied to sale total PASS creator override applied to line item PASS creator active check PASS commission reversal PASS product edit route PASS COD shipment row lock PASS COD duplicate reconciliation guard PASS COD affected row guard PASS Return restores variant stock PASS Checkout guards missing product