200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00b8gth7 50ms POST /ai/v1/search {} Idempotency-Key: 2ultkhNB0waV Send ▶> POST /ai/v1/session {}
< 200 OK req_00b8gth7 50ms POST /ai/v1/search {} Idempotency-Key: 2ultkhNB0waV Send ▶