Boundaries
| Boundary | Check |
|---|---|
| Studio to API | Bearer auth, then conversation or project permissions. |
| SSE run stream | Conversation access before replay or follow. |
| Project event notifications | Project access before subscription. |
| Studio to hosted agent | Bearer token authentication. |
| Hosted agent to API | Forwarded bearer token for project and conversation operations. |
| API to project resources | Project permissions and resource-specific access checks. |