Presentation Turn a technical specification into an interactive, persuasive web deck — the kind at iii.dev/roadmap/. The output is a content layer inside the repo's roadmap base (the shared component library, gallery, and markdown spec viewer that build every deck into one static site — Astro routes of the site package in iii, a standalone Vite project in other repos): 1. helps engineers understand the spec — the architecture is a navigable map, not prose; 2. is interactive — steppable diagrams, a selectable system map, live toggles; interactivity is what makes it stick; 3. reads like marketi…