200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0056kxi0 43ms POST /ai/v1/search {} Idempotency-Key: v418qChvQ_Ei Send ▶> POST /ai/v1/session {}
< 200 OK req_0056kxi0 43ms POST /ai/v1/search {} Idempotency-Key: v418qChvQ_Ei Send ▶