200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0060163a 29ms POST /ai/v1/search {} Idempotency-Key: S2bpiuxq2UMN Send ▶> POST /ai/v1/session {}
< 200 OK req_0060163a 29ms POST /ai/v1/search {} Idempotency-Key: S2bpiuxq2UMN Send ▶