Earlier this week, I visited a lunch spot in London where several 20-somethings were busy toiling behind a counter. To their left sat a less ordinary sight: a food assembly robot that might one day put them out of work. I was here to witness a pilot program by the London-based startup Kaikaku AI. With some $1.8 million in funding, it’s one of a group of startups who see recent advances in AI and robotics as an opportunity to eliminate some repetitive kitchen tasks, reduce food businesses’ labor