/**
 * Legacy shim — GST logic lives in invoice-form.js (BillingGstForm).
 * Kept so old cached Blade views do not break.
 */
(function () {
    if (window.BillingGstForm && typeof window.BillingGstForm.refresh === 'function') {
        document.addEventListener('DOMContentLoaded', function () {
            window.BillingGstForm.refresh();
        });
    }
})();
