200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00fweudb 56ms POST /ai/v1/search {} Idempotency-Key: -qR09JEujwJ_ Send ▶> POST /ai/v1/session {}
< 200 OK req_00fweudb 56ms POST /ai/v1/search {} Idempotency-Key: -qR09JEujwJ_ Send ▶