Search needs a web server. This page was opened straight from
disk (file://), and browsers refuse to fetch the search index over
that protocol. Site-wide links are absolute too, so they will not work either.
Serve the build instead:
npm run preview
Any static server works, for example npx serve dist or
python3 -m http.server -d dist.
The search index is generated at build time, so search is unavailable under
npm run dev. Run npm run build, then
npm run preview.
