200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0137wv1s 47ms POST /ai/v1/search {} Idempotency-Key: zJwZy7gQMevd Send ▶> POST /ai/v1/session {}
< 200 OK req_0137wv1s 47ms POST /ai/v1/search {} Idempotency-Key: zJwZy7gQMevd Send ▶