200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00lx4mjt 60ms POST /ai/v1/search {} Idempotency-Key: wNe8RJOgt6_6 Send ▶> POST /ai/v1/session {}
< 200 OK req_00lx4mjt 60ms POST /ai/v1/search {} Idempotency-Key: wNe8RJOgt6_6 Send ▶