200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_012iakyq 40ms POST /ai/v1/search {} Idempotency-Key: kjJfMw5gYt2k Send ▶> POST /ai/v1/session {}
< 200 OK req_012iakyq 40ms POST /ai/v1/search {} Idempotency-Key: kjJfMw5gYt2k Send ▶