For speech rate in settings up/down move by 10, left/right move by 1. Easier to get settings right without having to hold doown the arrow keys lol.

internal/app/internal_ui_test.go

@@ -95,7 +95,7 @@ func TestSettingsMenuCancelSaveAndReopen(t *testing.T) {
 			settings, _, err := config.Load(path, nil)
 			want := 40
 			if action == "save" {
-				want = 41
+				want = 50
 			}
 			if err != nil || settings.Presentation.Speech.Rate != want {
 				t.Fatal("wrong persistence", settings, err)