200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0055hes4 54ms POST /ai/v1/search {} Idempotency-Key: EprKKAbr-yWS Send ▶> POST /ai/v1/session {}
< 200 OK req_0055hes4 54ms POST /ai/v1/search {} Idempotency-Key: EprKKAbr-yWS Send ▶