A production deploy leaves its service worker on the device, and it
claims every tab. It serves /.bunext/public/* cache first without
knowing which build asked, while every cache-busting mechanism the app
has (the precache gate, /build-info.json, the loading page) is
production only. So switching to `bun run dev` kept serving the old
build, vendor files included, and wrote the dev files back into the
production build's cache.
Development now clears that worker and every cache it wrote
(`clear-development-service-worker.ts`, from ServiceWorkerRegistrar,
which did nothing in development before), reloads once into the
uncontrolled tab, and /sw.js answers with a stub that unregisters
itself so Web Push and the loading page can't register it back.
tben
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