Quiet the prerender's window.scrollTo stack trace

It now gets a silent console; render("/blog/") right after it runs the same page and still fails the build on any real script error.

Also

• •Let clicks through the landing page's contour lines. The contour field behind the hero reaches 8rem above its section, over the site header, and took every click there: Overview, Blog, Releases, GitHub and the theme toggle did nothing. It is decoration only, so it no longer takes pointer events.