test(client-runtime): reproduce issue 18188 stale running work after Stop

Reproduces issue 18188: Stop on a threadStop server never reads the
server's record, so a cached command left running cannot settle.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
50384ba1f0Julius Marminge committed on 10/22/2026, 7:17:52 PMparente54e71d
1 file changedLine totals unavailable