200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_005x2lmv 38ms POST /ai/v1/search {} Idempotency-Key: snmTx1Qc9zoM Send ▶> POST /ai/v1/session {}
< 200 OK req_005x2lmv 38ms POST /ai/v1/search {} Idempotency-Key: snmTx1Qc9zoM Send ▶