200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01b1y3ts 51ms POST /ai/v1/search {} Idempotency-Key: -xzmb6-25f1Z Send ▶> POST /ai/v1/session {}
< 200 OK req_01b1y3ts 51ms POST /ai/v1/search {} Idempotency-Key: -xzmb6-25f1Z Send ▶