A compact list of MUST and NEVER rules for UI code, covering components, interaction, animation, typography and layout, to clean up generic output fast.
Prioritized accessibility rules for review or fixing: names, keyboard, focus and dialogs, semantics, forms, announcements and contrast.
An evidence-based audit of one product screen against its own design system, with a self-contained change spec for each finding you pick.
Writes or updates a DESIGN.md from a repository or a public URL by tracing the evidence for its design language.
Prioritized rules for slow animations: patterns to avoid, choosing the mechanism, measuring, scroll, paint, layers and blur.