mcaf-ui-ux

Apply MCAF UI/UX guidance for design systems, accessibility, front-end technology selection, and design-to-development collaboration. USE FOR: bootstrapping a UI project; choosing front-end stack or design-system direction; tightening accessibility or design-to-development collaboration. DO NOT USE FOR: pure backend or infrastructure work; vague visual taste debates with no delivery consequence. INVOKES: inspect the repository context, edit targeted files, and run relevant build, test, lint, or validation commands when changes are made.