UBI is the easiest solution here.
The best one involves us hiring and compensating people for what they can do that machines cannot.
My girlfriend, the freelance journalist, is living on poverty wages for writing important pieces in national pubs. Her industry was disrupted by tech — and the gains are debatable.
As a culture, we need to replace the income lost by tech productivity gains with income poured into things humans still do until humans no longer do, then we need everyone to be taken care of.