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/http-foundation/Session/Storage/Proxy/SessionHandlerProxy.php

@@ -0,0 +1,74 @@
+<?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\HttpFoundation\Session\Storage\Proxy;
+
+use Symfony\Component\HttpFoundation\Session\Storage\Handler\StrictSessionHandler;
+
+/**
+ * @author Drak <drak@zikula.org>
+ */
+class SessionHandlerProxy extends AbstractProxy implements \SessionHandlerInterface, \SessionUpdateTimestampHandlerInterface
+{
+    public function __construct(
+        protected \SessionHandlerInterface $handler,
+    ) {
+        $this->wrapper = $handler instanceof \SessionHandler;
+        $this->saveHandlerName = $this->wrapper || ($handler instanceof StrictSessionHandler && $handler->isWrapper()) ? \ini_get('session.save_handler') : 'user';
+    }
+
+    public function getHandler(): \SessionHandlerInterface
+    {
+        return $this->handler;
+    }
+
+    // \SessionHandlerInterface
+
+    public function open(string $savePath, string $sessionName): bool
+    {
+        return $this->handler->open($savePath, $sessionName);
+    }
+
+    public function close(): bool
+    {
+        return $this->handler->close();
+    }
+
+    public function read(#[\SensitiveParameter] string $sessionId): string|false
+    {
+        return $this->handler->read($sessionId);
+    }
+
+    public function write(#[\SensitiveParameter] string $sessionId, string $data): bool
+    {
+        return $this->handler->write($sessionId, $data);
+    }
+
+    public function destroy(#[\SensitiveParameter] string $sessionId): bool
+    {
+        return $this->handler->destroy($sessionId);
+    }
+
+    public function gc(int $maxlifetime): int|false
+    {
+        return $this->handler->gc($maxlifetime);
+    }
+
+    public function validateId(#[\SensitiveParameter] string $sessionId): bool
+    {
+        return !$this->handler instanceof \SessionUpdateTimestampHandlerInterface || $this->handler->validateId($sessionId);
+    }
+
+    public function updateTimestamp(#[\SensitiveParameter] string $sessionId, string $data): bool
+    {
+        return $this->handler instanceof \SessionUpdateTimestampHandlerInterface ? $this->handler->updateTimestamp($sessionId, $data) : $this->write($sessionId, $data);
+    }
+}