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/masterminds/html5/bin/entities.php

@@ -0,0 +1,26 @@
+<?php
+/**
+ * Fetch the entities.json file and convert to PHP datastructure.
+ */
+
+// The URL to the official entities JSON file.
+$ENTITIES_URL = 'http://www.w3.org/TR/2012/CR-html5-20121217/entities.json';
+
+$payload = file_get_contents($ENTITIES_URL);
+$json = json_decode($payload);
+
+$table = array();
+foreach ($json as $name => $obj) {
+    $sname = substr($name, 1, -1);
+    $table[$sname] = $obj->characters;
+}
+
+echo '<?php
+namespace Masterminds\\HTML5;
+/** Entity lookup tables. This class is automatically generated. */
+class Entities {
+  public static $byName = ';
+var_export($table);
+echo ';
+}' . PHP_EOL;
+//print serialize($table);