200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00avqvi7 34ms POST /ai/v1/search {} Idempotency-Key: P5cJzLbUx8Ee Send ▶> POST /ai/v1/session {}
< 200 OK req_00avqvi7 34ms POST /ai/v1/search {} Idempotency-Key: P5cJzLbUx8Ee Send ▶