200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0010ut01 45ms POST /ai/v1/search {} Idempotency-Key: MfBPu4lbVMDj Send ▶> POST /ai/v1/session {}
< 200 OK req_0010ut01 45ms POST /ai/v1/search {} Idempotency-Key: MfBPu4lbVMDj Send ▶