200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_008r3vwd 70ms POST /ai/v1/search {} Idempotency-Key: cOxCn_iGv9XQ Send ▶> POST /ai/v1/session {}
< 200 OK req_008r3vwd 70ms POST /ai/v1/search {} Idempotency-Key: cOxCn_iGv9XQ Send ▶