The update dialog kept the old bare title + spinner layout from the
previous theme. Rework it (and the rebuild dialog, for consistency) to
the approved The Hub dialog anatomy:
- Header: green chip icon, title, version chip, status pill
(Checking… / Up to date / Updating… / Restart required / Update
failed / Status unknown) and a header close button. A spinner appears
in the header while an update is starting or running.
- System Details card: current version, release channel, and last
checked (relative time, refreshed on every check).
- The log renders as a console with green "ok" and dim hint lines; the
up-to-date result shows as a single green console line exactly once
(the redundant status line is hidden in that state).
- Footer: Close plus a "Check again" primary action that re-runs the
update check. Close and Check again are disabled while a check or
update is in flight; all existing recovery actions (Save Error
Report, Retry Status, Retry Update, Restart Entire System) keep their
exact semantics.
- Opening the dialog now shows a "Checking…" state immediately while
the existing reattach-then-check logic runs; reattaching to an
in-progress update (page reload, RDP reconnect) is unchanged.
Sidebar Update System status tints now use the theme palette (red /
amber / blue / green), and the periodic background check refreshes the
dialog's "last checked" value.
Rebuild dialog gets the same header (icon, version chip, Applying… /
Done / Restart required / Failed pill, header close disabled while a
rebuild runs); its log stays hidden as before.
No API or state-machine changes: same endpoints, same polling, same
reattach and recovery behavior.
naturallaw777
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