Prestige Barber Club v4.41.0 - Build Test Report

- Full PHP syntax audit: PASS
- Diskon Pra-Member: eligible only through join_date + 12 months.
- Expired (> 12 months from join_date): backend forces discount = 0.
- Active discount setting stored in Branding; v4.40.9 expired-discount value migrated as initial active-discount value.
- Masa aktif kartu editable/default Branding retained.
- Historical continuation period retained from v4.40.9.
- Upgrade page uses page_header($pdo,...).
- No destructive database operation introduced.