DESIGN.md's linter checks WCAG contrast by default for every component's color pairing, reporting the exact ratio and whether it passes. Accessibility is built into the tooling, not left as an optional audit - which fixes a real weakness of AI-generated UI. The weakness it addresses AI agents ignore contrast unless forced to consider it. Left alone, an agent places light grey text on white because it looks clean in the abstract - producing UI that fails accessibility standards a...