{
  "lexicon": 1,
  "id": "com.minomobi.finance.security",
  "description": "Metadata record for a tracked financial instrument.",
  "defs": {
    "main": {
      "type": "record",
      "description": "Describes a security, rate series, or commodity tracked in the archive. Record key is the symbol (e.g., 'AAPL', 'DGS10').",
      "key": "any",
      "record": {
        "type": "object",
        "required": ["symbol", "seriesType", "name", "createdAt"],
        "properties": {
          "symbol": {
            "type": "string",
            "maxLength": 32
          },
          "seriesType": {
            "type": "string",
            "knownValues": ["equity", "etf", "index", "rate", "commodity", "crypto", "spread"]
          },
          "name": {
            "type": "string",
            "maxLength": 255
          },
          "exchange": {
            "type": "string",
            "maxLength": 32
          },
          "sector": {
            "type": "string",
            "maxLength": 128
          },
          "industry": {
            "type": "string",
            "maxLength": 128
          },
          "currency": {
            "type": "string",
            "maxLength": 3
          },
          "startDate": {
            "type": "string",
            "description": "Earliest available data date (YYYY-MM-DD)"
          },
          "endDate": {
            "type": "string",
            "description": "Most recent data date (YYYY-MM-DD)"
          },
          "delisted": {
            "type": "boolean",
            "description": "Whether this security has been delisted"
          },
          "delistedDate": {
            "type": "string",
            "description": "Date of delisting if applicable (YYYY-MM-DD)"
          },
          "source": {
            "type": "string",
            "maxLength": 64
          },
          "sourceId": {
            "type": "string",
            "maxLength": 128,
            "description": "Source-specific identifier (e.g., FRED series ID, Tiingo ticker)"
          },
          "tags": {
            "type": "array",
            "items": {
              "type": "string",
              "maxLength": 64
            },
            "description": "Freeform tags (e.g., 'sp500', 'biotech', 'yield-curve', 'energy')"
          },
          "createdAt": {
            "type": "string",
            "format": "datetime"
          },
          "updatedAt": {
            "type": "string",
            "format": "datetime"
          }
        }
      }
    }
  }
}