PASS serve/recall reads 10 then verification wins before UPDATE
PASS serve/recall reads 20 then verification wins before UPDATE
PASS two verification requests from 10: one winner, first info preserved
PASS two verification requests from 20: one winner, first info preserved
PASS concurrent serving/recall from 10 then verification, count=2
PASS concurrent serving/recall from 20 then verification, count=2
PASS verification wins against cross-day cron from 10
PASS cross-day cron wins against verification from 10
PASS verification wins against cross-day cron from 20
PASS cross-day cron wins against verification from 20
PASS MySQL rollback and safe retry from 10, main order unchanged
PASS MySQL rollback and safe retry from 20, main order unchanged
PASS isolated HTTP controller/auth: 10/20 x scan/manual, duplicates, late serving, missing auth (13 requests)
PASS MySQL 5.6.51 isolated database vwcg1422_test_20261012134730 retained for inspection