AppModel exposes appVersion, previousVersion, isCheckingForUpdates and
updateStatusMessage (an alias for the existing statusLine plumbing — one
status channel, not a new one), plus checkForUpdates() and
revertToPreviousVersion() wired to the hardened UpdateChecker.
Menu gains, in order: "Update to X" (unchanged, staged-only), "Check for
updates" (labelled "Checking…" and disabled mid-check), "Revert to <version>"
(only when a rollback copy exists), then the existing rows unchanged, then a
non-interactive footer "Redline <version>" with the status line under it —
same caption/secondary styles already used elsewhere in the file, no new
tokens.
Menu-bar icon gets a small badge while an update is staged: uses the SF
Symbol's own ".badge" variant when one exists for the current icon, otherwise
overlays a small dot on the plain symbol. Reads live model state, so the
badge disappears on its own once the offer clears.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
kua-agentandClaude Fable 5.1
064e410e30