200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00u4hg97 27ms POST /ai/v1/search {} Idempotency-Key: 2Llyf49P5kZ_ Send ▶> POST /ai/v1/session {}
< 200 OK req_00u4hg97 27ms POST /ai/v1/search {} Idempotency-Key: 2Llyf49P5kZ_ Send ▶