[srleach]

Summary

Replaces the Jekyll site with AstroPaper v7.1.0 on Astro. Follows #1, which merged before this work was pushed.

• Content carried over: both posts, the about page (ExaDev, contact via exadev.io) and the home intro.
• Decoder: spa-decoder.js is served from public/ at the same URL. It now also mounts after Astro's client-side navigation. Its styles moved to public/assets/css/spa-decoder.css and use the theme's colours.
• New from the theme: search (Pagefind), tags, archives, light/dark toggle, table of contents, generated social images, RSS at /rss.xml.
• Old URLs: the CAN bus post's old address redirects to /posts/can-bus-hacking/, and /feed.xml is kept as an alias of /rss.xml. /blog/ and the hot tub post's Jekyll URL (live since Modernise site: new layouts, blog section and about page #1) are not redirected.
• Deploy: .github/workflows/deploy.yml builds on every PR and deploys main to GitHub Pages.
• Also includes the small post fix that missed Modernise site: new layouts, blog section and about page #1: spa2mqtt docs links point at seanrleach.co.uk/spa2mqtt/.

Before merging

Switch the Pages source to GitHub Actions (Settings > Pages > Build and deployment > Source). If this merges while the source is still "Deploy from a branch", Pages will try to build the repo with Jekyll and the site will break.

Theme safety check

• Source is satnaing/astro-paper at tag v7.1.0 (commit 2e8bcbe), the repo the Vercel template page links to. MIT licensed; licence kept as LICENSE-astro-paper.
• No analytics, trackers or remote scripts in the theme source. No install scripts of its own; pnpm only allows build scripts for esbuild and sharp.
• Every dependency resolves from the npm registry with an integrity hash.
• pnpm audit: 3 moderate advisories, in lint and CSS build tooling. None of it ships to the browser.
• The build downloads Google Sans Code from Google Fonts and self-hosts it, so visitors make no third-party requests.

Test plan

• pnpm build (type-check, build, search index) and pnpm lint pass locally
• Home, posts, about, search, both posts, the legacy redirect and /feed.xml return 200 from pnpm preview
• Check the pages and the decoder widget in a browser

🤖 Generated with Claude Code