Stand: SMTP-Test, Admin-Mail-Tab, Notifiable-Fix, Lazy-Quill

- Fix: Notifiable-Trait zum User-Model hinzugefuegt (behebt notify()-500er)
- Installer: SMTP-Verbindungstest mit EsmtpTransport + Ueberspringen-Link
- Admin: Neuer E-Mail-Tab mit SMTP-Konfiguration + Verbindungstest
- Admin: Lazy Quill-Initialisierung (nur sichtbare Locale wird geladen)
- Uebersetzungen: 17 neue Mail-Keys in allen 6 Sprachen

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

vendor/ramsey/uuid/src/Rfc4122/UuidV4.php

@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Rfc4122;
+
+use Ramsey\Uuid\Codec\CodecInterface;
+use Ramsey\Uuid\Converter\NumberConverterInterface;
+use Ramsey\Uuid\Converter\TimeConverterInterface;
+use Ramsey\Uuid\Exception\InvalidArgumentException;
+use Ramsey\Uuid\Rfc4122\FieldsInterface as Rfc4122FieldsInterface;
+use Ramsey\Uuid\Uuid;
+
+/**
+ * Random, or version 4, UUIDs are randomly or pseudo-randomly generated 128-bit integers
+ *
+ * @link https://www.rfc-editor.org/rfc/rfc9562#section-5.4 RFC 9562, 5.4. UUID Version 4
+ *
+ * @immutable
+ */
+final class UuidV4 extends Uuid implements UuidInterface
+{
+    /**
+     * Creates a version 4 (random) UUID
+     *
+     * @param Rfc4122FieldsInterface $fields The fields from which to construct a UUID
+     * @param NumberConverterInterface $numberConverter The number converter to use for converting hex values to/from integers
+     * @param CodecInterface $codec The codec to use when encoding or decoding UUID strings
+     * @param TimeConverterInterface $timeConverter The time converter to use for converting timestamps extracted from a
+     *     UUID to unix timestamps
+     */
+    public function __construct(
+        Rfc4122FieldsInterface $fields,
+        NumberConverterInterface $numberConverter,
+        CodecInterface $codec,
+        TimeConverterInterface $timeConverter,
+    ) {
+        if ($fields->getVersion() !== Uuid::UUID_TYPE_RANDOM) {
+            throw new InvalidArgumentException(
+                'Fields used to create a UuidV4 must represent a version 4 (random) UUID',
+            );
+        }
+
+        parent::__construct($fields, $numberConverter, $codec, $timeConverter);
+    }
+}