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>

app/Http/Controllers/Admin/GeocodingController.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Controllers\Controller;
+use App\Services\GeocodingService;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class GeocodingController extends Controller
+{
+    public function __construct(private GeocodingService $geocoding) {}
+
+    public function search(Request $request): JsonResponse
+    {
+        $request->validate([
+            'q' => ['required', 'string', 'min:3', 'max:255'],
+        ]);
+
+        $results = $this->geocoding->search($request->q);
+
+        return response()->json($results);
+    }
+}