200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00x4zsl7 50ms POST /ai/v1/search {} Idempotency-Key: D9iW0Gvg84zJ Send ▶> POST /ai/v1/session {}
< 200 OK req_00x4zsl7 50ms POST /ai/v1/search {} Idempotency-Key: D9iW0Gvg84zJ Send ▶