200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01vs30yr 23ms POST /ai/v1/search {} Idempotency-Key: xxUH7np3KwOR Send ▶> POST /ai/v1/session {}
< 200 OK req_01vs30yr 23ms POST /ai/v1/search {} Idempotency-Key: xxUH7np3KwOR Send ▶