200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0123cqb8 25ms POST /ai/v1/search {} Idempotency-Key: kRfRYHBz9KX5 Send ▶> POST /ai/v1/session {}
< 200 OK req_0123cqb8 25ms POST /ai/v1/search {} Idempotency-Key: kRfRYHBz9KX5 Send ▶