For T8182 and T2265, for CONFIRM command, it's good to enhance the pinentry implementations to explicitly recognize which is default.
My plan is adding --focus=ok and --focus=cancel option.
We now have mostly unused field in struct pinentry: confirm
This field could be re-used to have -1 for cancel, 1 for ok, 0 for implementation dependent.
Edit: default is already used to specify the string, so, use the word focus