200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00kgi3r1 74ms POST /ai/v1/search {} Idempotency-Key: _OcNNjGgUGGS Send ▶> POST /ai/v1/session {}
< 200 OK req_00kgi3r1 74ms POST /ai/v1/search {} Idempotency-Key: _OcNNjGgUGGS Send ▶