200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01x134sq 41ms POST /ai/v1/search {} Idempotency-Key: Un_v-XHz-uPQ Send ▶> POST /ai/v1/session {}
< 200 OK req_01x134sq 41ms POST /ai/v1/search {} Idempotency-Key: Un_v-XHz-uPQ Send ▶