200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_001xp15q 46ms POST /ai/v1/search {} Idempotency-Key: uq7CYWeB6wbN Send ▶> POST /ai/v1/session {}
< 200 OK req_001xp15q 46ms POST /ai/v1/search {} Idempotency-Key: uq7CYWeB6wbN Send ▶