Authentication reaches zero -- sign-in, bootstrap, forgot and reset password. These
are the first words a new account reads, which is why the brief ranked them above
the larger screens.
DavAppPasswords had the third toLocaleDateString(undefined, ...) in the shell; it now
uses useFormat().date like the other two.
DebugPanel's three labels are keyed too. Worth knowing rather than acting on: that
panel is rendered behind showDebug, which Background.tsx hardcodes to false, so it
never appears. Keyed rather than deleted because removing it is not my call.