200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_010bnua5 80ms POST /ai/v1/search {} Idempotency-Key: TI20FAd8Qg8V Send ▶> POST /ai/v1/session {}
< 200 OK req_010bnua5 80ms POST /ai/v1/search {} Idempotency-Key: TI20FAd8Qg8V Send ▶