✅ FIXED: tip-calculator.php
✅ FIXED: iban-validator.php
⚠️  SKIP: career-path-calculator.php (no changes needed)
⚠️  SKIP: real-estate-calculator.php (no changes needed)
✅ FIXED: grade-average-calculator.php
✅ FIXED: iqama-renewal-reminder.php
✅ FIXED: profit-margin-calculator.php
✅ FIXED: umrah-cost-calculator.php
✅ FIXED: work-hours-calculator.php
✅ FIXED: clothing-size-converter.php
⚠️  SKIP: indexnow_receiver.php (no changes needed)
⚠️  SKIP: number-to-words-arabic.php (no changes needed)
✅ FIXED: packing-list-generator.php
⚠️  SKIP: quran-reading-tracker.php (no changes needed)
✅ FIXED: square-meter-converter.php
✅ FIXED: timezone-converter.php

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Summary:
✅ Fixed: 11 files
⚠️  Skipped: 5 files
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🎉 Fixed 11 files!