200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00194xxu 85ms POST /ai/v1/search {} Idempotency-Key: V7kcZ6O6Gy_m Send ▶> POST /ai/v1/session {}
< 200 OK req_00194xxu 85ms POST /ai/v1/search {} Idempotency-Key: V7kcZ6O6Gy_m Send ▶