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/TimekeeperController.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Enums\CateringStatus;
+use App\Enums\EventStatus;
+use App\Models\ActivityLog;
+use App\Models\Event;
+use App\Models\EventTimekeeper;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+
+class TimekeeperController extends Controller
+{
+    public function update(Request $request, Event $event): RedirectResponse
+    {
+        $user = auth()->user();
+
+        if ($event->status === EventStatus::Cancelled) {
+            abort(403);
+        }
+
+        if (!$event->type->hasTimekeepers()) {
+            abort(403);
+        }
+
+        if (!$user->canAccessAdminPanel()) {
+            if ($event->status === EventStatus::Draft) {
+                abort(403);
+            }
+            if (!$user->accessibleTeamIds()->contains($event->team_id)) {
+                abort(403);
+            }
+        }
+
+        $request->validate([
+            'status' => 'required|in:yes,no,unknown',
+        ]);
+
+        $existing = EventTimekeeper::where('event_id', $event->id)->where('user_id', auth()->id())->first();
+        $oldStatus = $existing?->status?->value ?? 'unknown';
+
+        $timekeeper = EventTimekeeper::where('event_id', $event->id)->where('user_id', auth()->id())->first();
+        if (!$timekeeper) {
+            $timekeeper = new EventTimekeeper(['event_id' => $event->id]);
+            $timekeeper->user_id = auth()->id();
+        }
+        $timekeeper->status = CateringStatus::from($request->status);
+        $timekeeper->save();
+
+        ActivityLog::logWithChanges('status_changed', __('admin.log_timekeeper_changed', ['event' => $event->title, 'status' => $request->status]), 'Event', $event->id, ['status' => $oldStatus, 'user_id' => auth()->id(), 'source' => 'timekeeper'], ['status' => $request->status, 'user_id' => auth()->id(), 'source' => 'timekeeper']);
+
+        return redirect(route('events.show', $event) . '#timekeeper');
+    }
+}