200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_014qhgyj 73ms POST /ai/v1/search {} Idempotency-Key: qWhiq4crg8Q5 Send ▶> POST /ai/v1/session {}
< 200 OK req_014qhgyj 73ms POST /ai/v1/search {} Idempotency-Key: qWhiq4crg8Q5 Send ▶