So I crafted a storyboard in Interface Builder (pic 1). I then took that XML, pasted it into ChatGPT, and asked it to rewrite it in SwiftUI. It gave me SwiftUI code that, with the tiniest bit of massaging, I could drop into Playgrounds to get the following app (pic 2). It did take some liberties and didn't get it 100% correct, but it's pretty darn close