Clear only active agent statuses when a session reaches idle, and keep the terminal cancelled/error run cleanup in place. Add regression coverage for idle cleanup after cancellation-like flows.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Clear only still-active side-panel agent states when a run ends as cancelled or error, while preserving completed agent statuses. Add a renderer regression test for cancelled runs.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
