200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01uexb5t 46ms POST /ai/v1/search {} Idempotency-Key: h9bBdMpV7g3a Send ▶> POST /ai/v1/session {}
< 200 OK req_01uexb5t 46ms POST /ai/v1/search {} Idempotency-Key: h9bBdMpV7g3a Send ▶