fix(diagnostics): hide the stale system CLI row after a command path edit (#394)

Editing the command path resets only the selected-command probe, while the
PATH probe keeps its result. The System CLI (PATH) row then compared a real
path against an empty one and appeared next to "Not checked". Require a
completed selected probe before comparing, and let the CLI version label use
the controller status so the first check reads "Checking...".

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
4a3550436aSimone committed on 9/27/2026, 11:50:27 AM· committed by GitHubparent78f8373
4 files changedLine totals unavailable