- Remove unused SupportedLocale import in results.tsx
- Remove unused webroot variable in public/i18n.js
- Configure knip.json to ignore i18n public API exports
- Add language-selector and language-option to ESLint ignore list
- Auto-fix Prettier formatting across all files
- Fix better-tailwindcss line wrapping issues
- Add i18n framework with locale detection and cookie persistence
- Support English, Traditional Chinese (zh-TW), Simplified Chinese (zh-CN), Japanese (ja), Korean (ko)
- Add LanguageSelector component in navigation header
- Create locale JSON files with full translations
- Update all page components (root, user, results, history) with i18n support
- Add client-side translation helpers for dynamic content
- Auto-detect user's preferred language from browser settings
- Bump version to v0.1.3
