{
  "schema_version": 1,
  "files": {
    "historical_daily_nav.csv": {
      "purpose": "Safe public daily history, normalized NAV and Cost20 returns.",
      "columns": [
        "date",
        "record_type",
        "candidate_daily_return_cost20",
        "benchmark_daily_return_cost20",
        "relative_daily_return_cost20",
        "candidate_nav_cost20",
        "benchmark_nav_cost20",
        "candidate_cumulative_return_cost20",
        "benchmark_cumulative_return_cost20",
        "candidate_drawdown_cost20",
        "benchmark_drawdown_cost20"
      ],
      "excluded": [
        "positions",
        "weights",
        "signals",
        "features",
        "orders",
        "model details"
      ]
    },
    "historical_metrics.json": {
      "purpose": "Historical summary metrics and definitions."
    },
    "source_delivery_status.json": {
      "purpose": "Admitted-versus-trace source status; no private paths."
    }
  }
}