{
  "note": "Placeholder fixture only. The exact optimization request schema must be confirmed against Swagger/API schema before implementation.",
  "route_hint": "POST /v1/circuits/optimize",
  "dependency": "validated circuit payload required",
  "todo": [
    "confirm exact request body shape in Swagger UI",
    "use documented fields only",
    "preserve request metadata"
  ],
  "request_placeholder": {
    "confirm_in_swagger": true
  }
}