Introduce a future flag that sets the default input field height to **40px** instead of **48px**. - [ ] Add a future flag opting into 40px default input height - [ ] Applies to input-type components (text/number/email/password/url/select/datepicker, etc.) - [ ] Default (flag off) keeps current 48px; flag on switches to 40px - [ ] Height driven via token so it stays consistent across components (see sizing tokens #953) - [ ] Document the flag and migration in Storybook/docs
Introduce a future flag that sets the default input field height to 40px instead of 48px.