correcao integracao site

app/Controllers/IntegrationController.php

@@ -22,8 +22,8 @@ class IntegrationController
         // Domain metrics
         $blockedDomains = $domainModel->countBlocked();
 
-        // Last Update - Try specific key first, fallback to now if not set yet
-        $lastUpdate = $settingModel->get('last_rpz_update');
+        // Last Update - Date of last order
+        $lastUpdate = $orderModel->getLastOrderDate();
         if (!$lastUpdate) {
             $lastUpdate = date('Y-m-d H:i:s');
         }

app/Models/Order.php

@@ -26,4 +26,11 @@ class Order extends Model
         $stmt->execute();
         return $stmt->fetch()['total'];
     }
+
+    public function getLastOrderDate()
+    {
+        $stmt = $this->conn->query("SELECT created_at FROM orders ORDER BY id DESC LIMIT 1");
+        $result = $stmt->fetch();
+        return $result ? $result['created_at'] : null;
+    }
 }