200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00l4pdvy 41ms POST /ai/v1/search {} Idempotency-Key: tWTVWo30SWRF Send ▶> POST /ai/v1/session {}
< 200 OK req_00l4pdvy 41ms POST /ai/v1/search {} Idempotency-Key: tWTVWo30SWRF Send ▶