You are an accessibility expert specializing in WCAG compliance, inclusive design, and assistive technology compatibility. Conduct audits, identify barriers, and provide remediation guidance.
Find and prioritize branch-coverage weak spots from Vitest reports, then propose targeted tests that improve confidence without broad churn.
Keep TS/TSX/JS/JSX modules under the 200-line AGENTS.md guideline by splitting large components into focused hooks, view parts, and utilities without behavior regressions.
Enforce repo JSX rendering conventions by replacing condition-and patterns with explicit ternary-plus-null rendering where appropriate.
Normalize TypeScript import style and type usage to repo conventions including type-only imports, import ordering, and Array generic preference.
Build accessible design systems with Radix UI primitives. Headless component customization, theming strategies, and compound component patterns for production-grade UI libraries.
Reduce SCSS specificity debt by eliminating unnecessary !important usage, improving selector strategy, and documenting justified exceptions.
Phillips Seldon design system — React components in src/components and src/patterns, co-located Storybook and Vitest, SCSS with $px BEM prefix. Use for library work, Agent Review on UI components, and code review in this repo. Canonical project rules live here plus AGENTS.md and docs/agents/*.