- sitemap.xml (homepage) + robots.txt (allow crawl, disallow /api/, link sitemap)
- <head>: SEO title, meta description, keywords, canonical, robots
- Open Graph + Twitter Card tags for link previews
- JSON-LD WebApplication structured data (features, free, publisher)
- <noscript> crawlable content so the JS-rendered SPA has indexable text
- SW cache v11
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
