1{
  2  "bench_report": {
  3    "bench_version": 1,
  4    "track": "dynamics",
  5    "model": "rnn_small",
  6    "metric_direction": "lower is better",
  7    "n_seeds": 8,
  8    "baseline": {
  9      "best_cfg": {
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 19        {
 20          "cfg": {
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 22          },
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 24        },
 25        {
 26          "cfg": {
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 28          },
 29          "mean": 0.000702349963830784
 30        }
 31      ],
 32      "full": {
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 34        "std": 0.0001692890895210604,
 35        "per_seed": [
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 42          0.0006441730074584484,
 43          0.0006726456922478974
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 45        "n": 8
 46      }
 47    },
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 50      "std": 0.0002903965020952602,
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 55        0.0009665557299740613,
 56        0.000615738972555846,
 57        0.000473311694804579,
 58        0.00047172754420898855,
 59        0.0012050585355609655
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 61      "n": 8
 62    },
 63    "comparison": {
 64      "delta_mean": 7.716427353443578e-05,
 65      "idea_wins": 4,
 66      "n_pairs": 8,
 67      "per_seed_diffs": [
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 71        -6.571802077814937e-05,
 72        -7.091928273439407e-05,
 73        6.312460754998028e-05,
 74        -0.00017244546324945986,
 75        0.0005324128433130682
 76      ],
 77      "p_value": 0.43375,
 78      "mde": 0.00022023526291826335,
 79      "mde_rel_pct": 33.732731168851956,
 80      "verdict": "no significant win",
 81      "system_worked": false
 82    },
 83    "mechanism_signature": {
 84      "structural_match": "dynamics controlled pendulum rollout; shared rnn_small",
 85      "idea_grid": [
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 90      "baseline_grid_union": [
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 92        0.003,
 93        0.01
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 95      "mechanism_signature": {
 96        "predicted": "higher propagated Bellman uncertainty tracks larger NN residuals",
 97        "predicted_sign": "positive correlation",
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101          -0.07323832720421877,
102          0.18244864224380744,
103          0.13663901810339665,
104          0.0744279022054703,
105          -0.01757320069773833,
106          0.1342003985639885,
107          0.07370630448493865
108        ],
109        "confirmed": false
110      },
111      "n_train": 400,
112      "n_test": 200,
113      "epochs": 15
114    }
115  }
116}