{
  "context": "Agent must extract an interface from a concrete repository and refactor a service class to accept the interface via constructor injection",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "IOrderRepository interface file produced",
      "description": "A file named IOrderRepository.ts exists and exports an interface or type named IOrderRepository",
      "max_score": 15
    },
    {
      "name": "Interface declares findById",
      "description": "IOrderRepository includes a findById method signature returning a Promise of an Order or null",
      "max_score": 15
    },
    {
      "name": "Interface declares save",
      "description": "IOrderRepository includes a save method signature accepting an Order and returning Promise<void>",
      "max_score": 15
    },
    {
      "name": "OrderService accepts interface via constructor",
      "description": "The refactored OrderService.ts has a constructor parameter typed to IOrderRepository (not PostgresOrderRepository)",
      "max_score": 25
    },
    {
      "name": "No concrete import in refactored service",
      "description": "OrderService.ts does not import PostgresOrderRepository anywhere",
      "max_score": 20
    },
    {
      "name": "Business logic preserved",
      "description": "getOrderTotal and markShipped methods are present and contain the same calculation and status-update logic as the original",
      "max_score": 10
    }
  ]
}