feat: add db:seed command to package.json and update README.md for seeding reference data. Enhance job status handling in generation logic to support completed_partial status, improving error reporting and user feedback. Introduce new utility functions for job outcome resolution and non-retryable error detection, along with corresponding tests. Update database migration scripts to include new tables and fields for improved data management.
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.
