> So just the normal TouchID mode but not for unlocking the mac.

Erm ? Just go to System Preferences and turn off "Use Touch ID to unlock your Mac" ??

When you disable that, its also disabled for sudo operations when unlocked. it basically disables TouchID completely.

> When you disable that, its also disabled for sudo operations when unlocked.

And in the context of this discussion is that a bad thing ? i.e. do you want to leave open the possibility of being compelled to sudo via your finger ?