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/process/Exception/ProcessTimedOutException.php

@@ -0,0 +1,60 @@
+<?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\Process\Exception;
+
+use Symfony\Component\Process\Process;
+
+/**
+ * Exception that is thrown when a process times out.
+ *
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+class ProcessTimedOutException extends RuntimeException
+{
+    public const TYPE_GENERAL = 1;
+    public const TYPE_IDLE = 2;
+
+    public function __construct(
+        private Process $process,
+        private int $timeoutType,
+    ) {
+        parent::__construct(\sprintf(
+            'The process "%s" exceeded the timeout of %s seconds.',
+            $process->getCommandLine(),
+            $this->getExceededTimeout()
+        ));
+    }
+
+    public function getProcess(): Process
+    {
+        return $this->process;
+    }
+
+    public function isGeneralTimeout(): bool
+    {
+        return self::TYPE_GENERAL === $this->timeoutType;
+    }
+
+    public function isIdleTimeout(): bool
+    {
+        return self::TYPE_IDLE === $this->timeoutType;
+    }
+
+    public function getExceededTimeout(): ?float
+    {
+        return match ($this->timeoutType) {
+            self::TYPE_GENERAL => $this->process->getTimeout(),
+            self::TYPE_IDLE => $this->process->getIdleTimeout(),
+            default => throw new \LogicException(\sprintf('Unknown timeout type "%d".', $this->timeoutType)),
+        };
+    }
+}