The best rom-com of the year wasn’t in movie theaters, nor is it a streaming series on Netflix. It’s a new Broadway musical about two retired robots – plant-dad and hyperfixating jazz fan Oliver, and cool, brilliant Claire – having an odd-couple affair before one of their batteries dies forever. Maybe Happy Ending, written by American composer Will Aronson and South Korean lyricist Hue Park, is a charming, sweet, visually dazzling show, blending throwback...