200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_005jia6c 75ms POST /ai/v1/search {} Idempotency-Key: cV8gxqjG-Xnc Send ▶> POST /ai/v1/session {}
< 200 OK req_005jia6c 75ms POST /ai/v1/search {} Idempotency-Key: cV8gxqjG-Xnc Send ▶