- Add board offer "عروض عضويات شيراتون 2026" with 4 tiers (cash 10%, 24mo 0%, 40mo 15%, 60mo 15%)
- Add "فوق المتوسط" qualification at 187,500 EGP
- Fix crash in show.php: board_offers uses title_ar not name_ar
- Rewrite discounts tutorial with full regulatory discount coverage
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>