200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_001v39n0 63ms POST /ai/v1/search {} Idempotency-Key: z0you7onY1Zs Send ▶> POST /ai/v1/session {}
< 200 OK req_001v39n0 63ms POST /ai/v1/search {} Idempotency-Key: z0you7onY1Zs Send ▶