200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00ij16lh 50ms POST /ai/v1/search {} Idempotency-Key: PIpDJCy3WVw6 Send ▶> POST /ai/v1/session {}
< 200 OK req_00ij16lh 50ms POST /ai/v1/search {} Idempotency-Key: PIpDJCy3WVw6 Send ▶