200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_010vbk48 83ms POST /ai/v1/search {} Idempotency-Key: VPaOIK1Wsxim Send ▶> POST /ai/v1/session {}
< 200 OK req_010vbk48 83ms POST /ai/v1/search {} Idempotency-Key: VPaOIK1Wsxim Send ▶