fix phase3 acceptance roots and payable validation

scripts/admin-test-env-modules/finance-full-fixtures-contract.test.mjs

@@ -17,6 +17,8 @@ test('finance fixture module is independently exported and marker isolated', ()
 
 test('fixture covers weight, volume, manual order, and container allocation contracts', () => {
   for (const basis of ['WEIGHT_KG', 'VOLUME_CBM', 'MANUAL_ORDER_FEE', 'CONTAINER_SHARED']) assert.match(source, new RegExp(basis))
+  assert.match(source, /direction === 'PAYABLE' \? \{ settlementMode: 'ON_ACCOUNT' \}/)
+  assert.match(source, /supplierId: id\(supplier\.id\), settlementMode: 'ON_ACCOUNT'/)
   assert.match(source, /request\(context, 'POST', '\/api\/platform\/finance\/v1\/cost-entries'/)
   assert.match(source, /no-marker-owned-container-snapshot/)
 })