200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00pfsugp 35ms POST /ai/v1/search {} Idempotency-Key: SXdebAzaxS5Z Send ▶> POST /ai/v1/session {}
< 200 OK req_00pfsugp 35ms POST /ai/v1/search {} Idempotency-Key: SXdebAzaxS5Z Send ▶