feat: notification dropdown panel and /notifications page

src/Controllers/DashboardController.php

@@ -7,6 +7,7 @@ namespace ServerManager\Controllers;
 use ServerManager\Core\App;
 use ServerManager\Core\Session;
 use ServerManager\Models\Server;
+use ServerManager\Models\Notification;
 use ServerManager\Services\MonitoringService;
 use ServerManager\Services\AuditService;
 
@@ -80,4 +81,22 @@ class DashboardController
             'data' => $data,
         ]);
     }
+
+    public function notifications(): void
+    {
+        $userId = (int) Session::get('user_id');
+        $page = (int) ($_GET['page'] ?? 1);
+        $perPage = 20;
+
+        $notificationModel = new Notification();
+        $result = $notificationModel->getForUser($userId, $page, $perPage);
+        $unreadCount = $notificationModel->getUnreadCount($userId);
+
+        $this->view->display('notifications.index', [
+            'title' => 'Notifications - ServerManager',
+            'notifications' => $result['data'],
+            'pagination' => $result,
+            'unreadCount' => $unreadCount,
+        ]);
+    }
 }