{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://immu4989.github.io/awesome-agentic-usecases/public-value-ledger.schema.json",
  "title": "AAU Public Value Ledger",
  "type": "object",
  "additionalProperties": false,
  "required": ["profile_version", "ledger_id", "sharing", "records"],
  "properties": {
    "profile_version": {"const": "aau-public-value-ledger/0.5"},
    "ledger_id": {"$ref": "#/$defs/slug"},
    "sharing": {"$ref": "federal-ai-portfolio.schema.json#/$defs/sharing"},
    "records": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["record_id", "use_case_id", "status", "baseline", "observed", "costs", "measurement", "claims_verified_savings"],
        "properties": {
          "record_id": {"$ref": "#/$defs/slug"},
          "use_case_id": {"$ref": "#/$defs/slug"},
          "status": {"enum": ["baseline_only", "measured", "revalidation_due"]},
          "baseline": {"$ref": "#/$defs/measurement"},
          "observed": {"$ref": "#/$defs/measurement"},
          "costs": {
            "type": "object",
            "additionalProperties": false,
            "required": ["pilot_cost_usd", "annual_operating_cost_usd"],
            "properties": {
              "pilot_cost_usd": {"type": "number", "minimum": 0},
              "annual_operating_cost_usd": {"type": "number", "minimum": 0}
            }
          },
          "measurement": {
            "type": "object",
            "additionalProperties": false,
            "required": ["method", "limitations"],
            "properties": {
              "method": {"type": "string", "minLength": 1},
              "limitations": {"type": "string", "minLength": 1}
            }
          },
          "claims_verified_savings": {"const": false}
        }
      }
    }
  },
  "$defs": {
    "slug": {"type": "string", "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$"},
    "measurement": {
      "type": "object",
      "additionalProperties": false,
      "required": ["cases", "minutes_per_case", "error_rate", "human_review_minutes_per_case"],
      "properties": {
        "cases": {"type": ["integer", "null"], "minimum": 0},
        "minutes_per_case": {"type": ["number", "null"], "minimum": 0},
        "error_rate": {"type": ["number", "null"], "minimum": 0, "maximum": 1},
        "human_review_minutes_per_case": {"type": ["number", "null"], "minimum": 0}
      }
    }
  }
}