200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01jjhzv0 65ms POST /ai/v1/search {} Idempotency-Key: l_TDqsEcC1WQ Send ▶> POST /ai/v1/session {}
< 200 OK req_01jjhzv0 65ms POST /ai/v1/search {} Idempotency-Key: l_TDqsEcC1WQ Send ▶