feat: update accessibility guidelines and enhance component structure. Introduce new frontend accessibility conventions in AGENTS.md, including heading hierarchy and ARIA roles for dialogs and buttons. Refactor TourGuide and related components for lazy loading and improved user experience. Update ESLint configuration to enforce stricter TypeScript rules and add new dependencies for linting. Enhance various components with accessibility features and ensure consistent styling across the application.
Add analytics components including BreakdownCharts, OverviewCards, ScoreTrendChart, TimeAnalyticsPanel, and WeaknessPanel. Update routing to include analytics routes and enhance sidebar navigation. Add recharts dependency for data visualization.
