200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_001oxt75 38ms POST /ai/v1/search {} Idempotency-Key: 3zT1RmACqvSr Send ▶> POST /ai/v1/session {}
< 200 OK req_001oxt75 38ms POST /ai/v1/search {} Idempotency-Key: 3zT1RmACqvSr Send ▶