conhost blocks every write to a console while a selection is active. The
hand-off replays buffered child output through Write-HandoffLog after
`hermes update` exits, so a selection in a visible hand-off console held the
result, marker cleanup and relaunch until the user pressed Esc (#103222).
Turn QuickEdit off on the console input buffer for the run (restored on
exit), and skip the console echo while a selection is in progress. The log
file still gets every line.
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