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/phar-io/manifest/src/values/BundledComponentCollection.php

@@ -0,0 +1,40 @@
+<?php declare(strict_types = 1);
+/*
+ * This file is part of PharIo\Manifest.
+ *
+ * Copyright (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de> and contributors
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ */
+namespace PharIo\Manifest;
+
+use Countable;
+use IteratorAggregate;
+use function count;
+
+/** @template-implements IteratorAggregate<int,BundledComponent> */
+class BundledComponentCollection implements Countable, IteratorAggregate {
+    /** @var BundledComponent[] */
+    private $bundledComponents = [];
+
+    public function add(BundledComponent $bundledComponent): void {
+        $this->bundledComponents[] = $bundledComponent;
+    }
+
+    /**
+     * @return BundledComponent[]
+     */
+    public function getBundledComponents(): array {
+        return $this->bundledComponents;
+    }
+
+    public function count(): int {
+        return count($this->bundledComponents);
+    }
+
+    public function getIterator(): BundledComponentCollectionIterator {
+        return new BundledComponentCollectionIterator($this);
+    }
+}