The expanded view kept covering the workspace after a control client chose a
tool (`tool=organize`) or went Home (`home`), so the chosen panel or the Home
view never showed. The same held for a document tab click, Open Recent on an
open file, and the Combine files tab.
select_tool now clears the view, so every way of choosing a tool does. The
view also remembers which tab was in front when it opened, and another tab
coming forward puts it away, whichever path brought it there.
Each new test was seen to fail with the fix reverted.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
alehel
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