200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01d9pt4q 62ms POST /ai/v1/search {} Idempotency-Key: Mmshl4gGvshy Send ▶> POST /ai/v1/session {}
< 200 OK req_01d9pt4q 62ms POST /ai/v1/search {} Idempotency-Key: Mmshl4gGvshy Send ▶