200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_014dqnym 57ms POST /ai/v1/search {} Idempotency-Key: s-u8ixtkS4VB Send ▶> POST /ai/v1/session {}
< 200 OK req_014dqnym 57ms POST /ai/v1/search {} Idempotency-Key: s-u8ixtkS4VB Send ▶