200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_018mz4ma 64ms POST /ai/v1/search {} Idempotency-Key: 3PxYSBY6zenv Send ▶> POST /ai/v1/session {}
< 200 OK req_018mz4ma 64ms POST /ai/v1/search {} Idempotency-Key: 3PxYSBY6zenv Send ▶