200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01an9i02 43ms POST /ai/v1/search {} Idempotency-Key: T3coEKs8hSg4 Send ▶> POST /ai/v1/session {}
< 200 OK req_01an9i02 43ms POST /ai/v1/search {} Idempotency-Key: T3coEKs8hSg4 Send ▶