200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01yl6oil 51ms POST /ai/v1/search {} Idempotency-Key: n4srQ8rvPSBT Send ▶> POST /ai/v1/session {}
< 200 OK req_01yl6oil 51ms POST /ai/v1/search {} Idempotency-Key: n4srQ8rvPSBT Send ▶