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/league/commonmark/src/Parser/CursorState.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Parser;
+
+/**
+ * Encapsulates the current state of a cursor in case you need to rollback later.
+ *
+ * WARNING: Do not attempt to use this class for ANYTHING except for
+ * type hinting and passing this object back into restoreState().
+ * The constructor, methods, and inner contents may change in any
+ * future release without warning!
+ *
+ * @internal
+ *
+ * @psalm-immutable
+ */
+final class CursorState
+{
+    /**
+     * @var array<int, mixed>
+     *
+     * @psalm-readonly
+     */
+    private array $state;
+
+    /**
+     * @internal
+     *
+     * @param array<int, mixed> $state
+     */
+    public function __construct(array $state)
+    {
+        $this->state = $state;
+    }
+
+    /**
+     * @internal
+     *
+     * @return array<int, mixed>
+     */
+    public function toArray(): array
+    {
+        return $this->state;
+    }
+}