200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00xjiqoq 57ms POST /ai/v1/search {} Idempotency-Key: CgCW8iaaq8z_ Send ▶> POST /ai/v1/session {}
< 200 OK req_00xjiqoq 57ms POST /ai/v1/search {} Idempotency-Key: CgCW8iaaq8z_ Send ▶