200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_001lnyyj 46ms POST /ai/v1/search {} Idempotency-Key: ltdBe_usB2rh Send ▶> POST /ai/v1/session {}
< 200 OK req_001lnyyj 46ms POST /ai/v1/search {} Idempotency-Key: ltdBe_usB2rh Send ▶