200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0170il0i 65ms POST /ai/v1/search {} Idempotency-Key: Vhcw_Ta0akPR Send ▶> POST /ai/v1/session {}
< 200 OK req_0170il0i 65ms POST /ai/v1/search {} Idempotency-Key: Vhcw_Ta0akPR Send ▶