200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01r43i6v 47ms POST /ai/v1/search {} Idempotency-Key: 5b2r2C0vobX5 Send ▶> POST /ai/v1/session {}
< 200 OK req_01r43i6v 47ms POST /ai/v1/search {} Idempotency-Key: 5b2r2C0vobX5 Send ▶