{
  "context": "This criteria evaluates how well the engineer uses YACS configuration management to merge configuration profiles. The focus is specifically on proper usage of CfgNode objects and the merge_from_other_cfg() method for combining configurations.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "CfgNode import",
      "description": "Imports CfgNode from yacs.config correctly (typically as 'from yacs.config import CfgNode as CN')",
      "max_score": 5
    },
    {
      "name": "CfgNode creation",
      "description": "Creates CfgNode instances properly in create_base_config() with nested structure for SYSTEM, TRAIN, and MODEL sections",
      "max_score": 15
    },
    {
      "name": "Nested configuration structure",
      "description": "Properly creates nested CfgNode objects for hierarchical configuration (e.g., cfg.SYSTEM = CN(), cfg.TRAIN = CN())",
      "max_score": 10
    },
    {
      "name": "merge_from_other_cfg usage",
      "description": "Uses the merge_from_other_cfg() method to merge profile configurations into the base configuration",
      "max_score": 30
    },
    {
      "name": "Correct merge behavior",
      "description": "Ensures that merging preserves the base configuration structure while overriding only the specified values from the profile",
      "max_score": 20
    },
    {
      "name": "Sequential merging",
      "description": "In merge_multiple_profiles(), correctly merges multiple profiles in sequence, with later profiles overriding earlier ones",
      "max_score": 15
    },
    {
      "name": "Return values",
      "description": "Functions return the modified configuration object appropriately for use in subsequent operations",
      "max_score": 5
    }
  ]
}