Add all files

app/Admin/Widgets/ActiveUsers.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Admin\Widgets;
+
+use Filament\Widgets\Widget;
+
+class ActiveUsers extends Widget
+{
+    protected static string $view = 'admin.widgets.active-users';
+
+    protected static ?int $sort = 2;
+
+    protected static string $title = 'Active Users';
+
+    public function render(): \Illuminate\View\View
+    {
+        $baseQuery = \App\Models\Session::query()
+            ->where('last_activity', '>=', now()->subMinutes(5))
+            ->whereNotNull('user_id')
+            ->orderBy('last_activity', 'desc')
+            ->with('user');
+
+        $sessions = (clone $baseQuery)->limit(5)->get();
+        $onlineCount = (clone $baseQuery)->count();
+
+        return view(static::$view, [
+            'sessions' => $sessions,
+            'onlineCount' => $onlineCount,
+        ]);
+    }
+
+    public static function canView(): bool
+    {
+        return auth()->user()->hasPermission('admin.widgets.active_users');
+    }
+}