{
  "version": "1.0.0",
  "description": "Book data contract for e-commerce and inventory management",
  "created": "2024-01-15",
  "last_updated": "2024-01-20",
  "owner": "product-team",
  "team": "data-engineering",
  "contact": "product-team@example.com",
  "governance_rules": {
    "data_retention": {
      "days": 2555,
      "description": "Book data should be retained for 7 years for compliance"
    },
    "pii_fields": {
      "fields": [],
      "description": "No PII fields in book data"
    },
    "access_control": {
      "level": "public",
      "description": "Book data is publicly accessible"
    },
    "data_quality": {
      "required_checks": [
        "isbn_format_validation",
        "price_non_negative",
        "pages_positive"
      ],
      "description": "Data quality checks for book records"
    }
  },
  "business_rules": {
    "pricing": {
      "currency": "USD",
      "min_price": 0.0,
      "max_price": 1000.0,
      "description": "Book prices must be between $0 and $1000"
    },
    "inventory": {
      "track_stock": true,
      "low_stock_threshold": 10,
      "description": "Track inventory and alert when stock is low"
    }
  }
}

