200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_019enmo4 20ms POST /ai/v1/search {} Idempotency-Key: g4feGOs-8eAQ Send ▶> POST /ai/v1/session {}
< 200 OK req_019enmo4 20ms POST /ai/v1/search {} Idempotency-Key: g4feGOs-8eAQ Send ▶