Bank vendors — vendors that are themselves a partner bank. bankId MUST
equal vendor for these. The pairing is enforced in service code via
vendorBankIdMismatch. Pinned to the seeded set; new banks
onboarded via the admin dashboard arrive without a paired vendor entry
and stay non-bank from the route's perspective until one is created.
Bank vendors — vendors that are themselves a partner bank.
bankIdMUST equalvendorfor these. The pairing is enforced in service code via vendorBankIdMismatch. Pinned to the seeded set; new banks onboarded via the admin dashboard arrive without a paired vendor entry and stay non-bank from the route's perspective until one is created.