test was failing after some AI change. this should fix it

pkg/tui/model_test.go

@@ -18,7 +18,7 @@ func TestModel_updateLayout(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			m := NewModel("")
-			m.updateLayout(tt.width, tt.height)
+			m = m.updateLayout(tt.width, tt.height)
 			if m.viewportWidth != tt.width {
 				t.Errorf("viewportWidth = %d, want %d", m.viewportWidth, tt.width)
 			}

pkg/tui/payment_form.go

@@ -202,7 +202,8 @@ func validatePaymentForm(state *PaymentFormState) string {
 // UpdatePaymentForm handles updates to the payment form.
 // Mutates state in place, returns only the tea.Cmd.
 func (m Model) UpdatePaymentForm(msg tea.Msg, state *PaymentFormState) tea.Cmd {
-	if _, ok := msg.(tea.WindowSizeMsg); ok {
+	switch _, ok := msg.(tea.WindowSizeMsg); {
+	case ok:
 		if m.size < medium {
 			state.form = state.form.WithLayout(huh.LayoutStack).WithWidth(m.widthContent)
 		} else {