SimulationEmbed React island with click-to-activate iframes, theme sync
via postMessage/MutationObserver, and graceful fallback when SpiceBook
is unavailable. 12 simulations across 6 books (555 timer, op-amp,
semiconductor, formulas, communications, sensor). Books without
simulations render no extra markup. client:visible hydration defers
JS cost until scrolled into view.
- Integrate @astrojs/sitemap for automatic sitemap generation
- Add robots.txt with sitemap reference
- Add Open Graph and Twitter Card meta tags to Layout
- Add canonical URL and structured data slot to Layout
- Add JSON-LD schema (WebSite, CollectionPage, Book, BreadcrumbList)
- Create custom 404 page with navigation links
- Create default OG image (SVG with graph-paper theme)
- Wire SITE_URL through Docker build args for production builds
- Update Caddyfile for proper 404 handling instead of SPA fallback
Astro site with e-book reader for classic electronics notebooks.
15 Mims notebooks + 1 Ugly's Electrical Reference, served via
Docker/Caddy at mims.l.supported.systems. PDFs tracked with git-lfs.