200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_000vr0m1 50ms POST /ai/v1/search {} Idempotency-Key: b94NxHX7Q_Fi Send ▶> POST /ai/v1/session {}
< 200 OK req_000vr0m1 50ms POST /ai/v1/search {} Idempotency-Key: b94NxHX7Q_Fi Send ▶