Updating one app and updating everything were both already there — a
per-row Update button and an Update all in the tab header. What was
missing is the middle: choosing three of eight. Both existing controls
are gated on update_available, so with a fully current fleet the tab
shows neither and reads as though it cannot update anything at all,
which is what prompted this.
Checkboxes appear only on rows that actually have something to apply.
Offering one on a current app would be a choice with no outcome, and
"selected 6, updated 2" is a worse answer than not offering the four.
The column is still reserved on every row, hidden — otherwise the icons
shift left and right as scans land and rows change state.
applySelected filters the chosen names against update_available rather
than trusting them: a selection can outlive the scan that justified it,
and asking to update an app with nothing to apply would spend a snapshot
to achieve nothing. Update all now routes through the same function, so
there is one path, one task, and the same per-app contract — snapshot
first, roll back on failure.
Two details that only show up when you use it. The checkbox sits inside
the row head, which is itself the expander target, so its handler has to
claim the click or picking an app also opens its detail panel. And the
count is refreshed in place instead of re-rendering the tab, because a
re-render rebuilds the checkboxes under the pointer mid-selection.
The bar holds its space at zero selected rather than appearing on the
first tick, which would shift the list down under the cursor.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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