200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00sk4phd 50ms POST /ai/v1/search {} Idempotency-Key: QFkq6HjhyyWp Send ▶> POST /ai/v1/session {}
< 200 OK req_00sk4phd 50ms POST /ai/v1/search {} Idempotency-Key: QFkq6HjhyyWp Send ▶