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/league/commonmark/src/Extension/Autolink/EmailAutolinkParser.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\Autolink;
+
+use League\CommonMark\Extension\CommonMark\Node\Inline\Link;
+use League\CommonMark\Parser\Inline\InlineParserInterface;
+use League\CommonMark\Parser\Inline\InlineParserMatch;
+use League\CommonMark\Parser\InlineParserContext;
+
+final class EmailAutolinkParser implements InlineParserInterface
+{
+    private const REGEX = '[A-Za-z0-9.\-_+]+@[A-Za-z0-9\-_]+\.[A-Za-z0-9\-_.]+';
+
+    public function getMatchDefinition(): InlineParserMatch
+    {
+        return InlineParserMatch::regex(self::REGEX);
+    }
+
+    public function parse(InlineParserContext $inlineContext): bool
+    {
+        $email = $inlineContext->getFullMatch();
+        // The last character cannot be - or _
+        if (\in_array(\substr($email, -1), ['-', '_'], true)) {
+            return false;
+        }
+
+        // Does the URL end with punctuation that should be stripped?
+        if (\substr($email, -1) === '.') {
+            $email = \substr($email, 0, -1);
+        }
+
+        $inlineContext->getCursor()->advanceBy(\strlen($email));
+        $inlineContext->getContainer()->appendChild(new Link('mailto:' . $email, $email));
+
+        return true;
+    }
+}