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/Attribute/Reflection/ReflectionMember.php

@@ -0,0 +1,109 @@
+<?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\Attribute\Reflection;
+
+/**
+ * @internal
+ */
+class ReflectionMember
+{
+    public function __construct(
+        private readonly \ReflectionParameter|\ReflectionProperty $member,
+    ) {
+    }
+
+    /**
+     * @template T of object
+     *
+     * @param class-string<T> $class
+     *
+     * @return T|null
+     */
+    public function getAttribute(string $class): ?object
+    {
+        return ($this->member->getAttributes($class, \ReflectionAttribute::IS_INSTANCEOF)[0] ?? null)?->newInstance();
+    }
+
+    public function getSourceName(): string
+    {
+        if ($this->member instanceof \ReflectionProperty) {
+            return $this->member->getDeclaringClass()->name;
+        }
+
+        $function = $this->member->getDeclaringFunction();
+
+        if ($function instanceof \ReflectionMethod) {
+            return $function->class.'::'.$function->name.'()';
+        }
+
+        return $function->name.'()';
+    }
+
+    public function getSourceThis(): ?object
+    {
+        if ($this->member instanceof \ReflectionParameter) {
+            return $this->member->getDeclaringFunction()->getClosureThis();
+        }
+
+        return null;
+    }
+
+    public function getType(): ?\ReflectionType
+    {
+        return $this->member->getType();
+    }
+
+    public function getName(): string
+    {
+        return $this->member->getName();
+    }
+
+    public function hasDefaultValue(): bool
+    {
+        if ($this->member instanceof \ReflectionParameter) {
+            return $this->member->isDefaultValueAvailable();
+        }
+
+        return $this->member->hasDefaultValue();
+    }
+
+    public function getDefaultValue(): mixed
+    {
+        $defaultValue = $this->member->getDefaultValue();
+
+        if ($defaultValue instanceof \BackedEnum) {
+            return $defaultValue->value;
+        }
+
+        return $defaultValue;
+    }
+
+    public function isNullable(): bool
+    {
+        return (bool) $this->member->getType()?->allowsNull();
+    }
+
+    public function getMemberName(): string
+    {
+        return $this->member instanceof \ReflectionParameter ? 'parameter' : 'property';
+    }
+
+    public function isParameter(): bool
+    {
+        return $this->member instanceof \ReflectionParameter;
+    }
+
+    public function isProperty(): bool
+    {
+        return $this->member instanceof \ReflectionProperty;
+    }
+}