200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00xg8l56 51ms POST /ai/v1/search {} Idempotency-Key: u40t2yjP0_8x Send ▶> POST /ai/v1/session {}
< 200 OK req_00xg8l56 51ms POST /ai/v1/search {} Idempotency-Key: u40t2yjP0_8x Send ▶