- Updated .env.example and portal-backend.env.sample to include new development-specific WHMCS environment variables.
- Improved error handling in AuthService with a new signupPreflight method for validating signup data without creating accounts.
- Enhanced phone number validation in SignupDto to enforce stricter formatting rules.
- Refactored WHMCS connection service to prioritize development environment variables and normalize redirect URLs for SSO tokens.
- Added debug logging for SSO redirect hosts in non-production environments to aid in troubleshooting.
cb3cb8fec8