200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01kfjvxi 74ms POST /ai/v1/search {} Idempotency-Key: arw1U_M22et- Send ▶> POST /ai/v1/session {}
< 200 OK req_01kfjvxi 74ms POST /ai/v1/search {} Idempotency-Key: arw1U_M22et- Send ▶