200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01cezc2c 62ms POST /ai/v1/search {} Idempotency-Key: y9xTAGOCS8W_ Send ▶> POST /ai/v1/session {}
< 200 OK req_01cezc2c 62ms POST /ai/v1/search {} Idempotency-Key: y9xTAGOCS8W_ Send ▶