A layout transition swept by a user-driven, reversible dissolve front: outgoing content frays into a band of ASCII glyph noise ahead of the front, incoming content resolves out of that same noise behind it, and dragging the front back un-happens the transition exactly as far as you pull it.
pnpm dlx shadcn@latest add "https://design.helpmarq.com/r/transition-ascii-dissolve.json"