Bug bash 6: the phone fits ZFS, Usage and journal lines; a snapshot's default name is local time; twelve smaller faults

Found by a headless pass over every page on every machine at desktop and phone widths, then
every interaction on the hub. BUGS.md has the list, what was checked and found fine, and the
quality-of-life notes to discuss.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

web/src/Settings.tsx

@@ -198,7 +198,7 @@ function Updates({ me }: { me: Me }) {
             {st.notes && <div className="mono small" style={{ whiteSpace: 'pre-wrap', marginTop: 6, maxHeight: 140, overflow: 'auto' }}>{st.notes.trim()}</div>}
           </div>
         )}
-        {st && !st.behind && st.latest && <div className="muted small" style={{ marginTop: 8 }}>This is the newest published build.</div>}
+        {st && !st.behind && st.latest && <div className="muted small" style={{ marginTop: 8 }}>{st.current.replace(/^v/, '') === st.latest.replace(/^v/, '') ? 'This is the newest published build.' : `This build is newer than the last published release (${st.latest}).`}</div>}
         {(err || st?.error) && <div className="error" style={{ marginTop: 8 }}>{err || st?.error}</div>}
         <div className="svc-actions" style={{ marginTop: 10 }}>
           <Btn className="btn" busy={busy === 'check'} disabled={!st?.enabled || !!busy} onClick={check}>Check for updates</Btn>