200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_018j5vq5 74ms POST /ai/v1/search {} Idempotency-Key: Ue_hlNTYup4m Send ▶> POST /ai/v1/session {}
< 200 OK req_018j5vq5 74ms POST /ai/v1/search {} Idempotency-Key: Ue_hlNTYup4m Send ▶