200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01m1c8ym 68ms POST /ai/v1/search {} Idempotency-Key: TK-cJ6vSq7Jq Send ▶> POST /ai/v1/session {}
< 200 OK req_01m1c8ym 68ms POST /ai/v1/search {} Idempotency-Key: TK-cJ6vSq7Jq Send ▶