200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00xg1e8z 30ms POST /ai/v1/search {} Idempotency-Key: OQT3Ohx1IEVS Send ▶> POST /ai/v1/session {}
< 200 OK req_00xg1e8z 30ms POST /ai/v1/search {} Idempotency-Key: OQT3Ohx1IEVS Send ▶