refac: hardening pass with multiple overhauls

internal/infrastructure/persistence/repositories/userRepository.go

@@ -49,7 +49,7 @@ func (u *UserRepository) Create(user domainUser.User) (domainUser.User, error) {
 }
 
 func (u *UserRepository) Delete(id uint32) error {
-	result := u.db.Delete(&domainUser.User{}, id)
+	result := u.db.Delete(&entity.User{}, id)
 	return deleteOrNotFound(result, domainUser.ErrUserNotFound)
 }