CHUMANA SERVICELINK V3.4.5 - EASY ACCESS

Planned upgrade scope:
- Login with Email or Mobile Number
- Registration with Email or Mobile Number
- Phone normalization (+268...)
- Find a Service / Offer My Services onboarding
- Provider-specific registration fields
- Duplicate email/phone validation
- Improved authentication UX
- Backward compatibility
- SQL upgrade review for upgrade-v344.php

This package is a preparation snapshot created from the uploaded master.
Authentication code changes still need to be integrated and tested before a true production release.
