200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00vf8jr8 90ms POST /ai/v1/search {} Idempotency-Key: fN8MYMPq1Smb Send ▶> POST /ai/v1/session {}
< 200 OK req_00vf8jr8 90ms POST /ai/v1/search {} Idempotency-Key: fN8MYMPq1Smb Send ▶