Add complete fa locale with 1146 translated keys (266 common, 880 tools).
Register 'fa' in supportedLanguages, languageNames, and SUPPORTED_LANGUAGES.
Also add 'fa' to the three hardcoded language regexes in i18n.ts
(getLanguageFromUrl, changeLanguage, rewriteLinks) — these are not mentioned
in TRANSLATION.md, but without them /fa/ silently falls back to English.
Persian is RTL, so extend the dir=rtl check from 'ar' to ['ar','fa'] in both
i18n.ts and generate-i18n-pages.mjs.
- Add `generate-i18n-pages.mjs` script to pre-render localized HTML files at build time
- Add `generate-sitemap.mjs` script to generate language-aware sitemap.xml
- Create `navbar-simple.html` and `footer-simple.html` partials for simple mode
- Update all 80+ tool pages with language routing support
- Expand supported languages to 12: en, de, es, fr, it, pt, tr, vi, id, zh, zh-TW
- Update i18n.ts with new language names and support configuration
- Implement languageRouterPlugin in vite.config.ts for dev server routing
- Update nginx.conf for production static file serving from language directories
- Update TRANSLATION.md with new architecture documentation and language addition guide
- Fix relative paths in 404.html for static deployment compatibility
- Update package.json with new build scripts and dependencies
- Improves SEO through static pre-rendering and proper sitemap generation
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