refactor(demos): improve variable box, scope, and type annotation demos
style(demos): update visual styles and animations for better UX
docs(browser-as-os): restructure content with tables and practical examples
feat(demos): add new TypeScript and runtime environment demos
refactor(docs): rename "ClaudeCode" to "Claude Code" across all language versions
chore: add ESLint configuration and update build scripts
style: update component organization and remove unused imports
sanbuphy