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/console/Completion/Output/FishCompletionOutput.php

@@ -0,0 +1,36 @@
+<?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\Console\Completion\Output;
+
+use Symfony\Component\Console\Completion\CompletionSuggestions;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * @author Guillaume Aveline <guillaume.aveline@pm.me>
+ */
+class FishCompletionOutput implements CompletionOutputInterface
+{
+    public function write(CompletionSuggestions $suggestions, OutputInterface $output): void
+    {
+        $values = [];
+        foreach ($suggestions->getValueSuggestions() as $value) {
+            $values[] = $value->getValue().($value->getDescription() ? "\t".$value->getDescription() : '');
+        }
+        foreach ($suggestions->getOptionSuggestions() as $option) {
+            $values[] = '--'.$option->getName().($option->getDescription() ? "\t".$option->getDescription() : '');
+            if ($option->isNegatable()) {
+                $values[] = '--no-'.$option->getName().($option->getDescription() ? "\t".$option->getDescription() : '');
+            }
+        }
+        $output->write(implode("\n", $values));
+    }
+}