200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0068uy1r 23ms POST /ai/v1/search {} Idempotency-Key: PkpCxREWMgBX Send ▶> POST /ai/v1/session {}
< 200 OK req_0068uy1r 23ms POST /ai/v1/search {} Idempotency-Key: PkpCxREWMgBX Send ▶