I open-sourced the Sylva three.js site and the skills behind it. I started with one reference and asked Opus 5 to recreate it in Three.js as a single HTML file (looped for 2 hours). The moss root is procedural geometry with around 130,000 instanced blades, and all the code is under 1 MB. Live site: https://mengto.github.io/sylva/ Repo: https://github.com/MengTo/sylva I turned the main interactions into three reusable skills: - threejs-wireframe-scan-reveal - threejs-pointer-orbit -…