some progress

app/Http/Controllers/TcpPortController.php

@@ -9,6 +9,27 @@ use Illuminate\Support\Facades\Auth;
 
 class TcpPortController extends Controller
 {
+    /**
+     * Display overview of all TCP ports across all sites
+     */
+    public function overview()
+    {
+        $sites = Site::where('user_id', Auth::id())
+            ->withCount('tcpPorts')
+            ->with(['tcpPorts' => function ($query) {
+                $query->where('is_active', true)->limit(5);
+            }])
+            ->get();
+
+        $stats = [
+            'total_sites' => $sites->count(),
+            'total_ports_monitored' => $sites->sum('tcp_ports_count'),
+            'sites_with_ports' => $sites->where('tcp_ports_count', '>', 0)->count(),
+        ];
+
+        return view('tcp-ports.overview', compact('sites', 'stats'));
+    }
+
     /**
      * Display a listing of the resource.
      */