Used Auto Parts ERP v1.1.0 validation

PHP syntax checks passed for application PHP files.
56 integration checks passed, including catalogue validation, immutable codes,
measured purchase/sale/return quantities, upgrade category mapping, migration
reruns, stock/ledger reconciliation and accounting regression checks.
37 authenticated pages/reports loaded without PHP errors.
HTTP forms passed: installation, six-field product creation, categories,
purchase, sale, return and dismantling, including rollback and duplicate handling.

Tests used PHP 8.3 and MariaDB locally with synthetic data. Upgrade schema
checks used a copy with legacy columns; a complete production restore/upgrade
was not performed. Browser visual checks and live hosting deployment were
not performed. Back up your installation before applying the update.
