200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_019ytd7g 32ms POST /ai/v1/search {} Idempotency-Key: 9kh1nTk4fvvJ Send ▶> POST /ai/v1/session {}
< 200 OK req_019ytd7g 32ms POST /ai/v1/search {} Idempotency-Key: 9kh1nTk4fvvJ Send ▶