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/symfony/routing/Requirement/Requirement.php

@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Routing\Requirement;
+
+/*
+ * A collection of universal regular-expression constants to use as route parameter requirements.
+ */
+enum Requirement
+{
+    public const ASCII_SLUG = '[A-Za-z0-9]+(?:-[A-Za-z0-9]+)*'; // symfony/string AsciiSlugger default implementation
+    public const CATCH_ALL = '.+';
+    public const DATE_YMD = '[0-9]{4}-(?:0[1-9]|1[012])-(?:0[1-9]|[12][0-9]|(?<!02-)3[01])'; // YYYY-MM-DD
+    public const DIGITS = '[0-9]+';
+    public const MONGODB_ID = '[0-9a-f]{24}';
+    public const POSITIVE_INT = '[1-9][0-9]*';
+    public const UID_BASE32 = '[0-9A-HJKMNP-TV-Z]{26}';
+    public const UID_BASE58 = '[1-9A-HJ-NP-Za-km-z]{22}';
+    public const UID_RFC4122 = '[0-9a-f]{8}(?:-[0-9a-f]{4}){3}-[0-9a-f]{12}';
+    public const UID_RFC9562 = self::UID_RFC4122;
+    public const ULID = '[0-7][0-9A-HJKMNP-TV-Z]{25}';
+    public const UUID = '[0-9a-f]{8}-[0-9a-f]{4}-[13-8][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}';
+    public const UUID_V1 = '[0-9a-f]{8}-[0-9a-f]{4}-1[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}';
+    public const UUID_V3 = '[0-9a-f]{8}-[0-9a-f]{4}-3[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}';
+    public const UUID_V4 = '[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}';
+    public const UUID_V5 = '[0-9a-f]{8}-[0-9a-f]{4}-5[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}';
+    public const UUID_V6 = '[0-9a-f]{8}-[0-9a-f]{4}-6[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}';
+    public const UUID_V7 = '[0-9a-f]{8}-[0-9a-f]{4}-7[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}';
+    public const UUID_V8 = '[0-9a-f]{8}-[0-9a-f]{4}-8[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}';
+}