200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00ds1dfl 89ms POST /ai/v1/search {} Idempotency-Key: M4lUSfkwnhMg Send ▶> POST /ai/v1/session {}
< 200 OK req_00ds1dfl 89ms POST /ai/v1/search {} Idempotency-Key: M4lUSfkwnhMg Send ▶