delete backend, starting over

backend/app/Shared/ValueObject/EmailAddress.php

@@ -1,47 +0,0 @@
-<?php
-
-namespace App\Shared\ValueObject;
-
-use InvalidArgumentException;
-
-final readonly class EmailAddress
-{
-    private string $normalized;
-
-    private const ERROR_MESSAGE = 'Invalid email address:';
-
-    public function __construct(string $email)
-    {
-
-        $trimmed = trim($email);
-
-        if ($trimmed === '' || ! str_contains($trimmed, '@')) {
-            throw new InvalidArgumentException(self::ERROR_MESSAGE . " $email");
-        }
-
-        [$local, $domain] = explode('@', $trimmed, 2);
-        $domain = mb_strtolower($domain);
-        $normalized = $local . '@' . $domain;
-
-        if (filter_var($normalized, FILTER_VALIDATE_EMAIL) === false) {
-            throw new InvalidArgumentException(self::ERROR_MESSAGE . " $email");
-        }
-
-        $this->normalized = $normalized;
-    }
-
-    public function value(): string
-    {
-        return $this->normalized;
-    }
-
-    public function equals(self $other): bool
-    {
-        return $this->normalized === $other->normalized;
-    }
-
-    public function __toString(): string
-    {
-        return $this->normalized;
-    }
-}