Ten years from now, there will be no ‘agent layer’. This is like predicting Microsoft failed to capitalize on bulletin boards social media.
Kids can barely hand write today.
Once neural interfaces are in, it's over for keyboards and displays likely too.
That was...like 4 macbooks ago. I still have keyboards from that era. I still have speakers and monitors from that era kicking around.
We are definitely, definitely not the last generation to use keyboards.