200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01ncb27k 58ms POST /ai/v1/search {} Idempotency-Key: 3K4dEFq8jNIY Send ▶> POST /ai/v1/session {}
< 200 OK req_01ncb27k 58ms POST /ai/v1/search {} Idempotency-Key: 3K4dEFq8jNIY Send ▶