200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01spnzc6 90ms POST /ai/v1/search {} Idempotency-Key: -6wd3HqK5pIV Send ▶> POST /ai/v1/session {}
< 200 OK req_01spnzc6 90ms POST /ai/v1/search {} Idempotency-Key: -6wd3HqK5pIV Send ▶