200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00xtz2dm 20ms POST /ai/v1/search {} Idempotency-Key: qrdWGGYWszlL Send ▶> POST /ai/v1/session {}
< 200 OK req_00xtz2dm 20ms POST /ai/v1/search {} Idempotency-Key: qrdWGGYWszlL Send ▶