200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01fvqh0k 60ms POST /ai/v1/search {} Idempotency-Key: EsQ1tVQ1F5m1 Send ▶> POST /ai/v1/session {}
< 200 OK req_01fvqh0k 60ms POST /ai/v1/search {} Idempotency-Key: EsQ1tVQ1F5m1 Send ▶