200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01j5qrw6 32ms POST /ai/v1/search {} Idempotency-Key: PsysSOcfV4Bx Send ▶> POST /ai/v1/session {}
< 200 OK req_01j5qrw6 32ms POST /ai/v1/search {} Idempotency-Key: PsysSOcfV4Bx Send ▶