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        {
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      ],
      "representatives": [
        {
          "label": "Familiar default",
          "parameters": {
            "sar_start": 0.02,
            "sar_step": 0.02,
            "sar_max": 0.2,
            "confirm_bars": 1
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          "metrics": {
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        },
        {
          "label": "Exploratory early four-hour winner",
          "parameters": {
            "sar_start": 0.006,
            "sar_step": 0.002,
            "sar_max": 0.1,
            "confirm_bars": 5
          },
          "metrics": {
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      "matching_start_passive_return_pct": -12.264678001403809,
      "full_window_platform_buy_hold_pct": 30.64811897277832,
      "comparisons": {
        "cap_pairs": {
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          "a": 0.2,
          "b": 0.4,
          "observed_a": 3125,
          "observed_b": 3125,
          "observed_both": 3125,
          "observed_a_only": 0,
          "observed_b_only": 0,
          "counts": {
            "same_executions": 1350,
            "same_return": 805,
            "all_selected_metrics_identical": 805,
            "more_executions": 1759,
            "lower_return": 1517,
            "same_count_different_return": 545,
            "higher_return": 803,
            "fewer_executions": 16
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        },
        "cap_plateau_pairs": {
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          "a": 0.4,
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          "observed_a": 3125,
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          "observed_both": 3125,
          "observed_a_only": 0,
          "observed_b_only": 0,
          "counts": {
            "same_executions": 3125,
            "same_return": 3125,
            "all_selected_metrics_identical": 3125
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        },
        "confirmation_pairs": {
          "axis": "confirm_bars",
          "a": 1,
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          "observed_a": 4375,
          "observed_b": 4375,
          "observed_both": 4375,
          "observed_a_only": 0,
          "observed_b_only": 0,
          "counts": {
            "same_executions": 378,
            "lower_return": 2669,
            "same_count_different_return": 378,
            "fewer_executions": 3997,
            "higher_return": 1706
          }
        }
      },
      "raw_export_basename": "B004-ethusdt-later-43750.json",
      "raw_export_sha256": "0c37e460e463ac4ae9c35d6a33143f3ece08dab40a83097447368761f2596c77"
    }
  ],
  "matching_start_passive_note": "Reused earlier independently audited exact-frame single-purchase TrainBard controls with same capital, allocation, fee, startup and endpoints. These are not new SAR evaluations.",
  "fixed_default_confirmation_example": {
    "batch": "B001",
    "symbol": "BTCUSDT",
    "candleSize": "2h",
    "start_date": "2021-01-01",
    "end_date": "2023-12-31",
    "raw_export_basename": "B001-btcusdt-early-43750.json",
    "raw_export_sha256": "453d4ccafa8cbfdf0a76f4327a968b0eab95c5b9711f02f8235c2785d3d650a8",
    "note": "Exact main-grid rows underlying the prose example. The separate default smoke repeats their selected metrics exactly and is excluded from the headline count.",
    "rows": [
      {
        "confirmation_bars": 1,
        "parameters": {
          "sar_start": 0.019999999552965164,
          "sar_step": 0.019999999552965164,
          "sar_max": 0.20000000298023224,
          "confirm_bars": 1,
          "candleSize": "2h"
        },
        "metrics": {
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          "totalTrades": 963,
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          "maxDrawdownPct": 83.74506378173828,
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          "finalCoinAmount": 0.04735526069998741
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      },
      {
        "confirmation_bars": 2,
        "parameters": {
          "sar_start": 0.019999999552965164,
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          "sar_max": 0.20000000298023224,
          "confirm_bars": 2,
          "candleSize": "2h"
        },
        "metrics": {
          "totalReturn": -81.47099304199219,
          "finalValue": 1852.901123046875,
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          "finalCoinAmount": 0.04393818974494934
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    ]
  }
}
