Baton v0: REST/SSE thread messages endpoint

completed

Priority: 2

Implement ALL-917. Build /agent/threads/<id>/messages REST endpoint with SSE streaming contract for Atlas web UI and Lyra/Baton runtime. Coordinate response/event shape before implementation. Branch talos/baton-thread-messages-sse.

Event Timeline

created

progress

PR #10718 merged; opened follow-up PR #10719 for Cursor findings on relay-mcp org-scoped deal filtering and deal-list scope validation.

status_change

queued → completed