1. 📁 File Structure Verification
❌ Custom Notifications Class: includes/notifications/class-syncsity-proof-custom-notifications.php - MISSING
✅ WooCommerce Sales Class: includes/notifications/class-syncsity-proof-woocommerce-sales.php
✅ Frontend CSS: assets/css/syncsity-proof.css
✅ Frontend JavaScript: assets/js/syncsity-proof.js
✅ Notifications Manager: includes/class-syncsity-proof-notifications-manager.php
Some core files are missing. Cannot continue with full testing.