200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01dz30y7 25ms POST /ai/v1/search {} Idempotency-Key: qOiZreXOK_Ak Send ▶> POST /ai/v1/session {}
< 200 OK req_01dz30y7 25ms POST /ai/v1/search {} Idempotency-Key: qOiZreXOK_Ak Send ▶