A tab names the account it was claimed for on every request, beacon and upload
(X-Siftlode-Expect-Account); current_user and /auth/logout refuse a mismatch with
401 account_changed and keep the session, so a tab left showing the account
signed in before reloads instead of writing to the new one.
/auth/login clears a connect marker left by an abandoned connect, and a link
completes only on a session that still holds. The prefs merge reads the row
under a lock. A tab's sessionStorage records its own owner. A page the account
loses is given up, address bar and remembered page included. The panel layouts
are preferences; the storage contract also refuses a key handed to the Storage
API or to usePref outside its kind. A refused sign-in as someone else and a
failed sign-out say so. The chromium-only e2e specs are in the gate register,
the member walk waits for its requests, and devices.spec checks the save itself.
A tab left open across a release asked for a lazy chunk the server no
longer has (prod: DownloadDialog 404 an hour after 0.89) and fell to the
crash screen. `vite:preloadError` now reloads the tab once a minute at
most; a second failure is let through to the error boundary, which now
wraps every entry — the public /watch, /privacy and /terms pages crashed
to a blank page.
peter