{
  "context": "This criteria evaluates how well the engineer uses fastcore's attribute access and delegation utilities to implement a configuration manager. The focus is on proper usage of store_attr(), nested_attr(), GetAttr delegation, and multi-attribute operations.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Uses store_attr()",
      "description": "The Config class __init__ method uses fastcore's store_attr() function to automatically store keyword arguments as instance attributes, rather than manually assigning them.",
      "max_score": 25
    },
    {
      "name": "Uses nested_attr()",
      "description": "The get_nested() method uses fastcore's nested_attr() function to access nested attributes using dot-separated path strings.",
      "max_score": 20
    },
    {
      "name": "Implements nested check",
      "description": "The has_nested() method properly checks for nested attribute existence, using appropriate fastcore utilities like hasattrs() or a try-except with nested_attr().",
      "max_score": 15
    },
    {
      "name": "Uses GetAttr delegation",
      "description": "The ConfigWithDefaults class uses fastcore's GetAttr class or similar delegation pattern to automatically delegate attribute access to the default configuration when attributes are not found in the user configuration.",
      "max_score": 25
    },
    {
      "name": "Uses getattrs()",
      "description": "The get_attrs() method uses fastcore's getattrs() function to retrieve multiple attributes at once and return them as a tuple.",
      "max_score": 15
    }
  ]
}