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/StaticVar.php

@@ -0,0 +1,39 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser\Node;
+
+use PhpParser\Node;
+use PhpParser\NodeAbstract;
+
+class StaticVar extends NodeAbstract {
+    /** @var Expr\Variable Variable */
+    public Expr\Variable $var;
+    /** @var null|Node\Expr Default value */
+    public ?Expr $default;
+
+    /**
+     * Constructs a static variable node.
+     *
+     * @param Expr\Variable $var Name
+     * @param null|Node\Expr $default Default value
+     * @param array<string, mixed> $attributes Additional attributes
+     */
+    public function __construct(
+        Expr\Variable $var, ?Node\Expr $default = null, array $attributes = []
+    ) {
+        $this->attributes = $attributes;
+        $this->var = $var;
+        $this->default = $default;
+    }
+
+    public function getSubNodeNames(): array {
+        return ['var', 'default'];
+    }
+
+    public function getType(): string {
+        return 'StaticVar';
+    }
+}
+
+// @deprecated compatibility alias
+class_alias(StaticVar::class, Stmt\StaticVar::class);