200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01w413jh 55ms POST /ai/v1/search {} Idempotency-Key: PkpEBFgmcfpC Send ▶> POST /ai/v1/session {}
< 200 OK req_01w413jh 55ms POST /ai/v1/search {} Idempotency-Key: PkpEBFgmcfpC Send ▶