200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01vgr9ux 27ms POST /ai/v1/search {} Idempotency-Key: 1s6dwhw6-_uy Send ▶> POST /ai/v1/session {}
< 200 OK req_01vgr9ux 27ms POST /ai/v1/search {} Idempotency-Key: 1s6dwhw6-_uy Send ▶