200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00s6d4m4 25ms POST /ai/v1/search {} Idempotency-Key: Xo-6vo2ws4cz Send ▶> POST /ai/v1/session {}
< 200 OK req_00s6d4m4 25ms POST /ai/v1/search {} Idempotency-Key: Xo-6vo2ws4cz Send ▶