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/Interaction/Interaction.php

@@ -0,0 +1,51 @@
+<?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\Interaction;
+
+use Symfony\Component\Console\Attribute\InteractiveAttributeInterface;
+use Symfony\Component\Console\Attribute\MapInput;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * @internal
+ */
+final class Interaction
+{
+    public function __construct(
+        private readonly object $owner,
+        private readonly InteractiveAttributeInterface $attribute,
+    ) {
+    }
+
+    /**
+     * @param \Closure(\ReflectionFunction $function, InputInterface $input, OutputInterface $output): array $parameterResolver
+     */
+    public function interact(InputInterface $input, OutputInterface $output, \Closure $parameterResolver): void
+    {
+        if ($this->owner instanceof MapInput) {
+            $function = $this->attribute->getFunction($this->owner->resolveValue($input));
+            $function->invoke(...$parameterResolver($function, $input, $output));
+            $this->owner->setValue($input, $function->getClosureThis());
+
+            return;
+        }
+
+        $function = $this->attribute->getFunction($this->owner);
+        $function->invoke(...$args = $parameterResolver($function, $input, $output));
+        foreach ($function->getParameters() as $i => $parameter) {
+            if (\is_object($args[$i]) && $spec = MapInput::tryFrom($parameter)) {
+                $spec->setValue($input, $args[$i]);
+            }
+        }
+    }
+}