=== Adding Advanced Schema to Pages ===

⏭️  zakat-calculator.php already has HowTo schema
❌ Cannot find header include in age-calculator.php
✅ Added HowTo schema to salary-calculator.php

=== Summary ===
✅ HowTo schema added to 3 calculator pages
✅ Backup files created with .backup extension

Next: Add FAQ schema to guide pages manually or run FAQ script