200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00ir0qbn 37ms POST /ai/v1/search {} Idempotency-Key: mPZ8BMpUibhV Send ▶> POST /ai/v1/session {}
< 200 OK req_00ir0qbn 37ms POST /ai/v1/search {} Idempotency-Key: mPZ8BMpUibhV Send ▶