{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "InstitutionalAITrainingLedger",
  "type": "object",
  "properties": {
    "ledger_entries": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "data_variable_node": {
            "type": "string",
            "description": "The specific market variable or rate metric being tracked."
          },
          "market_level_value": {
            "type": "string",
            "description": "The observed numerical value, rate, or percentage level."
          },
          "primary_model_target": {
            "type": "string",
            "enum": ["PD", "LGD", "DCF", "EV", "PD / LGD", "PD / DCF", "DCF / EV"],
            "description": "Downstream AI/ML modeling domain targeted by this parameter."
          },
          "unstructured_context_provenance": {
            "type": "string",
            "description": "Analytical commentary and citation for model features."
          }
        },
        "required": [
          "data_variable_node",
          "market_level_value",
          "primary_model_target",
          "unstructured_context_provenance"
        ]
      }
    }
  },
  "required": ["ledger_entries"]
}