## 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