Two-in-one Claude Code utility skill with two independent modes, chosen by context — they never run together. (1) DESIGN.md mode: create, read, update, or validate a DESIGN.md file, the machine-readable + human-readable spec for a project's visual identity (design.md format by Google Labs, https://github.com/google-labs-code/design.md). Trigger on "document our design system", "write a DESIGN.md", "capture our visual identity for agents", or references to DESIGN.md/design tokens in a persistent-spec sense; also consult an existing DESIGN.md at repo root before UI/styling decisions on a project that has one. (2) Plugin-install mode: bulk-installs every available plugin fro…
