## Summary
- soft-delete users by adding `deleted_at` to `users`
- rename deleted user emails with a timestamp prefix so original email
can be reused
- block email sends and banking follow-up work for deleted users while
preserving data
## Testing
- php artisan test --compact tests/Feature/DeleteUserCommandTest.php
tests/Feature/Settings/ProfileUpdateTest.php
tests/Feature/Auth/RegistrationTest.php
tests/Feature/Auth/AuthenticationTest.php
tests/Feature/Jobs/Drip/SendWelcomeEmailJobTest.php
tests/Feature/Console/SendUpdateEmailCommandTest.php
- vendor/bin/pint --dirty --format agent
## Summary
- redirect guest access to protected routes based on returning-user
cookie
- send new PWA guests to registration and returning guests to login
- persist returning-user cookie after register, login, and 2FA login
- keep explicit login links working via `force=1`
## Testing
- vendor/bin/pint --dirty --format agent
- php artisan test --compact tests/Feature/Auth/AuthenticationTest.php
tests/Feature/DashboardTest.php tests/Feature/Auth/RegistrationTest.php