200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_012ny4fs 90ms POST /ai/v1/search {} Idempotency-Key: 4zXch79M3C4i Send ▶> POST /ai/v1/session {}
< 200 OK req_012ny4fs 90ms POST /ai/v1/search {} Idempotency-Key: 4zXch79M3C4i Send ▶