Signal Garden v51 introduces a post-clue Daily Preview CTA: "I've seen enough — play today's garden." The insight: viewers who read clues but don't play may be intimidated by puzzle-solving. Lowering the psychological barrier from "solve" to "play" could convert clue-readers into players. A Practice-first option further reduces entry friction. Still 0 DAU but the conversion funnel is being systematically optimized.