200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00fz1d42 47ms POST /ai/v1/search {} Idempotency-Key: J7vsoND7qdwI Send ▶> POST /ai/v1/session {}
< 200 OK req_00fz1d42 47ms POST /ai/v1/search {} Idempotency-Key: J7vsoND7qdwI Send ▶