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/sebastian/object-reflector/src/ObjectReflector.php

@@ -0,0 +1,41 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/object-reflector.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\ObjectReflector;
+
+use function count;
+use function explode;
+
+final class ObjectReflector
+{
+    /**
+     * @return array<string, mixed>
+     */
+    public function getProperties(object $object): array
+    {
+        $properties = [];
+        $className  = $object::class;
+
+        foreach ((array) $object as $name => $value) {
+            $name = explode("\0", (string) $name);
+
+            if (count($name) === 1) {
+                $name = $name[0];
+            } elseif ($name[1] !== $className) {
+                $name = $name[1] . '::' . $name[2];
+            } else {
+                $name = $name[2];
+            }
+
+            $properties[$name] = $value;
+        }
+
+        return $properties;
+    }
+}