200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01rtvl1t 23ms POST /ai/v1/search {} Idempotency-Key: As3BCkr5bO6t Send ▶> POST /ai/v1/session {}
< 200 OK req_01rtvl1t 23ms POST /ai/v1/search {} Idempotency-Key: As3BCkr5bO6t Send ▶