[ ] scaffoldFiles (src/apps/scaffold.ts) emits the same beacon, and the app's pages send it to the forge for that app (through the app proxy, src/apps/proxy.ts, so the app needs no secret)
[ ] the app's page on the forge shows visitors today / 7 days and p75 load and INP
[ ] the scaffolded app's own tests still pass (test/apps.test.ts)
[ ] test: a report through the proxy is stored against that app and no other
The app half of #2674.
Done: