200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01nrbv78 56ms POST /ai/v1/search {} Idempotency-Key: rnqQr7vn8Wmn Send ▶> POST /ai/v1/session {}
< 200 OK req_01nrbv78 56ms POST /ai/v1/search {} Idempotency-Key: rnqQr7vn8Wmn Send ▶