200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01s9ifk8 81ms POST /ai/v1/search {} Idempotency-Key: B83h5nU-E4hU Send ▶> POST /ai/v1/session {}
< 200 OK req_01s9ifk8 81ms POST /ai/v1/search {} Idempotency-Key: B83h5nU-E4hU Send ▶