200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00wx8uar 55ms POST /ai/v1/search {} Idempotency-Key: W0o7y8X5T01G Send ▶> POST /ai/v1/session {}
< 200 OK req_00wx8uar 55ms POST /ai/v1/search {} Idempotency-Key: W0o7y8X5T01G Send ▶