v0.19.0's region-level ownership did not activate in the production image:
server/regions.ts loadRegions only looked in public/, but the Docker image keeps
only dist/ (Vite copies public/* -> dist/ at build), so the loader found nothing
and expandCountriesToKeys degraded to a no-op — fresh games kept raw ISO_A3 codes
instead of region keys (the client's own /region-keys.json fetch still worked,
since the client is served from dist/).
loadRegions now probes public/ (dev) then dist/ (prod, == clientDir) and uses the
first directory holding both files. A new test covers the prod-only (dist/), dev
(public/), and empty-root (no data) layouts.
kamilkrzywda
cf7d3cb122