The pending counter was decremented when the job's guard dropped at the
end of the loop iteration, after the reply was sent, so a waiting caller
(CLI / MCP mask.add) could see the segmenter still busy right after its
answer arrived. Under a loaded test run that made
tests_segment::waiting_requests_with_a_damaged_model_are_errors fail on
assert!(!busy()). The guard is now dropped just before each reply.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01912WaK6Rmew3wxZuPyX7E8
Claude
6ea9b979c8