200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_002i1jb0 87ms POST /ai/v1/search {} Idempotency-Key: e2Zv7CCO2aMq Send ▶> POST /ai/v1/session {}
< 200 OK req_002i1jb0 87ms POST /ai/v1/search {} Idempotency-Key: e2Zv7CCO2aMq Send ▶