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/error-handler/Error/FatalError.php

@@ -0,0 +1,85 @@
+<?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\ErrorHandler\Error;
+
+class FatalError extends \Error
+{
+    /**
+     * @param array $error An array as returned by error_get_last()
+     */
+    public function __construct(
+        string $message,
+        int $code,
+        private array $error,
+        ?int $traceOffset = null,
+        bool $traceArgs = true,
+        ?array $trace = null,
+    ) {
+        parent::__construct($message, $code);
+
+        if (null !== $trace) {
+            if (!$traceArgs) {
+                foreach ($trace as &$frame) {
+                    unset($frame['args'], $frame['this'], $frame);
+                }
+            }
+        } elseif (null !== $traceOffset) {
+            if (\function_exists('xdebug_get_function_stack') && \in_array(\ini_get('xdebug.mode'), ['develop', false], true) && $trace = @xdebug_get_function_stack()) {
+                if (0 < $traceOffset) {
+                    array_splice($trace, -$traceOffset);
+                }
+
+                foreach ($trace as &$frame) {
+                    if (!isset($frame['type'])) {
+                        // XDebug pre 2.1.1 doesn't currently set the call type key http://bugs.xdebug.org/view.php?id=695
+                        if (isset($frame['class'])) {
+                            $frame['type'] = '::';
+                        }
+                    } elseif ('dynamic' === $frame['type']) {
+                        $frame['type'] = '->';
+                    } elseif ('static' === $frame['type']) {
+                        $frame['type'] = '::';
+                    }
+
+                    // XDebug also has a different name for the parameters array
+                    if (!$traceArgs) {
+                        unset($frame['params'], $frame['args']);
+                    } elseif (isset($frame['params']) && !isset($frame['args'])) {
+                        $frame['args'] = $frame['params'];
+                        unset($frame['params']);
+                    }
+                }
+
+                unset($frame);
+                $trace = array_reverse($trace);
+            } else {
+                $trace = [];
+            }
+        }
+
+        foreach ([
+            'file' => $error['file'],
+            'line' => $error['line'],
+            'trace' => $trace,
+        ] as $property => $value) {
+            if (null !== $value) {
+                $refl = new \ReflectionProperty(\Error::class, $property);
+                $refl->setValue($this, $value);
+            }
+        }
+    }
+
+    public function getError(): array
+    {
+        return $this->error;
+    }
+}