200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00qrt5xl 64ms POST /ai/v1/search {} Idempotency-Key: D93XdSIVpWxN Send ▶> POST /ai/v1/session {}
< 200 OK req_00qrt5xl 64ms POST /ai/v1/search {} Idempotency-Key: D93XdSIVpWxN Send ▶