added last seen 2

app/Http/Controllers/Admin/CustomerController.php

@@ -14,6 +14,7 @@ use App\Models\Setting;
 use App\Services\AssetSummaryService;
 use App\Services\BalanceReportService;
 use App\Services\ConfigService;
+use App\Services\CustomerPresenceService;
 use App\Services\ReferralGiftService;
 use App\Services\WalletBalanceService;
 use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;
@@ -54,6 +55,28 @@ class CustomerController extends SuperController
 
         return response()->json($users);
     }
+
+    /**
+     * مشتریان با SSE فعال در بازهٔ آنلاین بودن (last_seen_at تازه).
+     */
+    public function onlineList()
+    {
+        $threshold = now()->subSeconds(CustomerPresenceService::ONLINE_THRESHOLD_SECONDS);
+
+        $rows = Customer::query()
+            ->where('is_archive', false)
+            ->whereNotNull('last_seen_at')
+            ->where('last_seen_at', '>=', $threshold)
+            ->orderByDesc('last_seen_at')
+            ->get(['id', 'name', 'mobile', 'last_seen_at', 'active', 'trade_active', 'type']);
+
+        return response()->json([
+            'count' => $rows->count(),
+            'online_within_seconds' => CustomerPresenceService::ONLINE_THRESHOLD_SECONDS,
+            'rows' => $rows,
+        ]);
+    }
+
     public function updateAdmin(Request $request , $id)
     {
         $data = $request->all();