fix(server): steering no longer ends running subagents (#19210)

Co-authored-by: PR Batch Tester <agent@local.test>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
0b68a4a9c3shivam committed on 10/15/2026, 12:06:06 PM· committed by GitHubparent0e1431f
6 files changedLine totals unavailable