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-kernel/Log/DebugLoggerInterface.php

@@ -0,0 +1,47 @@
+<?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\HttpKernel\Log;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * DebugLoggerInterface.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface DebugLoggerInterface
+{
+    /**
+     * Returns an array of logs.
+     *
+     * @return array<array{
+     *     channel: ?string,
+     *     context: array<string, mixed>,
+     *     message: string,
+     *     priority: int,
+     *     priorityName: string,
+     *     timestamp: int,
+     *     timestamp_rfc3339: string,
+     * }>
+     */
+    public function getLogs(?Request $request = null): array;
+
+    /**
+     * Returns the number of errors.
+     */
+    public function countErrors(?Request $request = null): int;
+
+    /**
+     * Removes all log records.
+     */
+    public function clear(): void;
+}