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/nikic/php-parser/lib/PhpParser/Node/Expr/ClassConstFetch.php

@@ -0,0 +1,36 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser\Node\Expr;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr;
+use PhpParser\Node\Identifier;
+use PhpParser\Node\Name;
+
+class ClassConstFetch extends Expr {
+    /** @var Name|Expr Class name */
+    public Node $class;
+    /** @var Identifier|Expr|Error Constant name */
+    public Node $name;
+
+    /**
+     * Constructs a class const fetch node.
+     *
+     * @param Name|Expr $class Class name
+     * @param string|Identifier|Expr|Error $name Constant name
+     * @param array<string, mixed> $attributes Additional attributes
+     */
+    public function __construct(Node $class, $name, array $attributes = []) {
+        $this->attributes = $attributes;
+        $this->class = $class;
+        $this->name = \is_string($name) ? new Identifier($name) : $name;
+    }
+
+    public function getSubNodeNames(): array {
+        return ['class', 'name'];
+    }
+
+    public function getType(): string {
+        return 'Expr_ClassConstFetch';
+    }
+}