correcao integracao site

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;
+    }
 }