200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01ynpqud 86ms POST /ai/v1/search {} Idempotency-Key: P5QOyxaFbB2Y Send ▶> POST /ai/v1/session {}
< 200 OK req_01ynpqud 86ms POST /ai/v1/search {} Idempotency-Key: P5QOyxaFbB2Y Send ▶