feat: realtime notifications, fix broadcasting, add notifications page

- Fix: broadcasting.php config (was missing, broadcast failed)
- Fix: Echo class global scope (window.EchoClass)
- Fix: Nginx WebSocket proxy for Reverb
- Fix: Firewall port 8087 opened
- Fix: Duplicate event listener cleanup
- Fix: Mark as read functionality
- Add: CreateViolationNotification listener
- Add: Notifications index page with pagination
- Add: Timezone Asia/Jakarta support
- Add: Real-time badge across all pages
- Remove: toOthers() so recorder also gets notification
- Update: .env.example with new variables

app/Http/Controllers/DashboardController.php

@@ -72,6 +72,15 @@ class DashboardController extends Controller
         return response()->json(['success' => true]);
     }
 
+    public function notificationsIndex(Request $request): View
+    {
+        $notifications = AppNotification::where('user_id', $request->user()->id)
+            ->latest()
+            ->paginate(20);
+
+        return view('notifications.index', compact('notifications'));
+    }
+
     public function getUnreadCount(Request $request)
     {
         $count = AppNotification::where('user_id', $request->user()->id)