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/doctrine/inflector/src/Rules/Spanish/Inflectible.php

@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Inflector\Rules\Spanish;
+
+use Doctrine\Inflector\Rules\Pattern;
+use Doctrine\Inflector\Rules\Substitution;
+use Doctrine\Inflector\Rules\Transformation;
+use Doctrine\Inflector\Rules\Word;
+
+class Inflectible
+{
+    /** @return Transformation[] */
+    public static function getSingular(): iterable
+    {
+        yield new Transformation(new Pattern('/ereses$/'), 'erés');
+        yield new Transformation(new Pattern('/iones$/'), 'ión');
+        yield new Transformation(new Pattern('/ces$/'), 'z');
+        yield new Transformation(new Pattern('/es$/'), '');
+        yield new Transformation(new Pattern('/s$/'), '');
+    }
+
+    /** @return Transformation[] */
+    public static function getPlural(): iterable
+    {
+        yield new Transformation(new Pattern('/ú([sn])$/i'), 'u\1es');
+        yield new Transformation(new Pattern('/ó([sn])$/i'), 'o\1es');
+        yield new Transformation(new Pattern('/í([sn])$/i'), 'i\1es');
+        yield new Transformation(new Pattern('/é([sn])$/i'), 'e\1es');
+        yield new Transformation(new Pattern('/á([sn])$/i'), 'a\1es');
+        yield new Transformation(new Pattern('/z$/i'), 'ces');
+        yield new Transformation(new Pattern('/([aeiou]s)$/i'), '\1');
+        yield new Transformation(new Pattern('/([^aeéiou])$/i'), '\1es');
+        yield new Transformation(new Pattern('/$/'), 's');
+    }
+
+    /** @return Substitution[] */
+    public static function getIrregular(): iterable
+    {
+        yield new Substitution(new Word('el'), new Word('los'));
+        yield new Substitution(new Word('papá'), new Word('papás'));
+        yield new Substitution(new Word('mamá'), new Word('mamás'));
+        yield new Substitution(new Word('sofá'), new Word('sofás'));
+        yield new Substitution(new Word('mes'), new Word('meses'));
+    }
+}