react-router-dom stops at 7; version 8 ships only as react-router,
which the other archived sites already use.
- import the router from react-router instead of react-router-dom
- update React, Vite, three.js types, Biome and CSpell
- keep @types/node on the 24.x line with .ncurc.js
orrisroot
0e99d1cd3d