200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00tpipat 62ms POST /ai/v1/search {} Idempotency-Key: AeF7mKLw9elJ Send ▶> POST /ai/v1/session {}
< 200 OK req_00tpipat 62ms POST /ai/v1/search {} Idempotency-Key: AeF7mKLw9elJ Send ▶