Maintain visual alignment with existing UI color themes, typography, spacing, and interaction style. Use when refining or extending interface design language (color choices, chart styling, readability overlays, component polish) so new work matches established aesthetics and remains legible across responsive sizes.
pin, minimize) visible in the header; avoid burying them in expanded-only content.minimize/collapseCL, TM, MP) with meaningful, live indicators tied to current state.npm run check after TypeScript/CSS changes.