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/SupportController.php

@@ -0,0 +1,126 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Controllers\Controller;
+use App\Models\Setting;
+use App\Services\SupportApiService;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\View\View;
+
+class SupportController extends Controller
+{
+    public function __construct(private SupportApiService $supportService) {}
+
+    /**
+     * Nur Admins duerfen den Support-Bereich nutzen (T05).
+     */
+    private function authorizeAdmin(): void
+    {
+        if (!auth()->user()->isAdmin()) {
+            abort(403);
+        }
+    }
+
+    public function index(): View
+    {
+        $this->authorizeAdmin();
+        $registered = $this->supportService->isRegistered();
+        $tickets = $registered ? ($this->supportService->getTickets() ?? []) : [];
+
+        return view('admin.support.index', compact('registered', 'tickets'));
+    }
+
+    public function show(int $ticketId): View|RedirectResponse
+    {
+        $this->authorizeAdmin();
+
+        if (!$this->supportService->isRegistered()) {
+            return redirect()->route('admin.support.index');
+        }
+
+        $ticket = $this->supportService->getTicket($ticketId);
+        if (!$ticket) {
+            return redirect()->route('admin.support.index')
+                ->with('error', __('admin.support_ticket_not_found'));
+        }
+
+        return view('admin.support.show', compact('ticket'));
+    }
+
+    public function store(Request $request): RedirectResponse
+    {
+        $this->authorizeAdmin();
+
+        $request->validate([
+            'subject' => 'required|string|max:255',
+            'message' => 'required|string|max:5000',
+            'category' => 'required|string|in:bug,feature,question,other',
+        ]);
+
+        $result = $this->supportService->createTicket([
+            'subject' => $request->input('subject'),
+            'message' => $request->input('message'),
+            'category' => $request->input('category'),
+            'system_info' => $this->supportService->getSystemInfo(),
+            'license_key' => Setting::get('license_key'),
+        ]);
+
+        if (!$result) {
+            return back()->withInput()
+                ->with('error', __('admin.support_submit_failed'));
+        }
+
+        return redirect()->route('admin.support.show', $result['ticket_id'] ?? 0)
+            ->with('success', __('admin.support_ticket_created'));
+    }
+
+    public function reply(Request $request, int $ticketId): RedirectResponse
+    {
+        $this->authorizeAdmin();
+
+        $request->validate([
+            'message' => 'required|string|max:5000',
+        ]);
+
+        $result = $this->supportService->replyToTicket($ticketId, [
+            'message' => $request->input('message'),
+        ]);
+
+        if (!$result) {
+            return back()->withInput()
+                ->with('error', __('admin.support_reply_failed'));
+        }
+
+        return redirect()->route('admin.support.show', $ticketId)
+            ->with('success', __('admin.support_reply_sent'));
+    }
+
+    public function register(): RedirectResponse
+    {
+        $this->authorizeAdmin();
+
+        $data = [
+            'app_name' => Setting::get('app_name', config('app.name')),
+            'app_url' => config('app.url'),
+            'app_version' => config('app.version'),
+            'php_version' => PHP_VERSION,
+            'db_driver' => config('database.default'),
+            'installed_at' => $this->supportService->readInstalled()['installed_at'] ?? now()->toIso8601String(),
+        ];
+
+        $logoUrl = $this->supportService->getLogoUrl();
+        if ($logoUrl) {
+            $data['logo_url'] = $logoUrl;
+        }
+
+        $result = $this->supportService->register($data);
+
+        if ($result) {
+            return back()->with('success', __('admin.registration_success'));
+        }
+
+        return back()->with('error', __('admin.registration_failed'));
+    }
+}