200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00a9l4cj 57ms POST /ai/v1/search {} Idempotency-Key: Z0V9kZeXQRv4 Send ▶> POST /ai/v1/session {}
< 200 OK req_00a9l4cj 57ms POST /ai/v1/search {} Idempotency-Key: Z0V9kZeXQRv4 Send ▶