fix(server): Claude workflow members stream their thinking and tool calls into their threads (#20856)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
91f8c35deeJulius Marminge committed on 10/18/2026, 3:45:46 PM· committed by GitHubparente1f33e0
7 files changedLine totals unavailable