{
  "context": "Evaluates how well the solution relies on fhir-py’s nested path helpers to read and mutate FHIR resource dictionaries using dot/index paths. Scoring checks for direct use of the package’s getter/setter utilities (and their defaults) rather than manual traversal. Emphasis is on correct helper calls that match the paths and behaviors described in the spec.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Path retrieval",
      "description": "Uses fhir-py path readers (e.g., resource.get_by_path or fhirpy.base.utils.get_by_path) to resolve each dotted path in read_paths, rather than manually walking dictionaries/lists.",
      "max_score": 30
    },
    {
      "name": "Default handling",
      "description": "Passes the default argument supported by the path reader so missing paths return the provided fallback instead of custom None checks or try/except logic.",
      "max_score": 15
    },
    {
      "name": "Path setting",
      "description": "Uses fhir-py’s setter (fhirpy.base.utils.set_by_path) to write values into nested structures for updates/creations, instead of hand-building intermediate dicts/lists.",
      "max_score": 30
    },
    {
      "name": "Copy via helpers",
      "description": "Implements copy_path by combining the package’s get_by_path and set_by_path (or resource helpers) to move values between paths without custom traversal code.",
      "max_score": 15
    },
    {
      "name": "Path syntax fidelity",
      "description": "Helper calls use fhir-py’s expected dot-and-index path strings (e.g., \"telecom.0.value\", \"address.0.city\") without bespoke path parsing logic.",
      "max_score": 10
    }
  ]
}