[splincode]

Summary

• expand all 23 answers in the Accessibility как часть UX subsection
• explain keyboard navigation, focus management, semantic HTML, form labels, alt text, dialogs, ARIA, and feedback patterns with practical examples
• cover common frontend mistakes, WCAG contrast thresholds, design-system responsibilities, QA approaches, and limitations of automated accessibility checks
• distinguish legal obligations from technical standards and actual user experience
• preserve compact short answers; make each full answer add concrete mechanisms, examples, caveats, and interview framing

Scope

• continues Расширить полные ответы во всех разделах #49
• UI/UX-only documentation change in src/pages/ui-ux/index.md
• completes the Accessibility как часть UX subsection
• Microcopy и коммуникация интерфейса and later UI/UX subsections remain for follow-up PRs

Verification

CI should validate:

• npm run format:check
• production build

Part of #49.