200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00w3vcc9 25ms POST /ai/v1/search {} Idempotency-Key: S6Oc9XkANtbf Send ▶> POST /ai/v1/session {}
< 200 OK req_00w3vcc9 25ms POST /ai/v1/search {} Idempotency-Key: S6Oc9XkANtbf Send ▶