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              "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded."
            }
          },
          "by_family": {
            "rectangle": {
              "successes": 3,
              "failures": 0,
              "trials": 3,
              "success_rate": 1.0,
              "numerical_failures": 0,
              "mean_relative_error": 0.011008366422348759,
              "mean_error_samples": 3,
              "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded.",
              "pre_damage_failures": 0,
              "negligible_damage_trials": 0,
              "conditional_trials": 3,
              "conditional_success_rate": 1.0,
              "retained_recoveries": 3,
              "mean_recovery_time": 48.0
            },
            "slit": {
              "successes": 3,
              "failures": 0,
              "trials": 3,
              "success_rate": 1.0,
              "numerical_failures": 0,
              "mean_relative_error": 0.011412111391795371,
              "mean_error_samples": 3,
              "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded.",
              "pre_damage_failures": 0,
              "negligible_damage_trials": 0,
              "conditional_trials": 3,
              "conditional_success_rate": 1.0,
              "retained_recoveries": 3,
              "mean_recovery_time": 48.0
            },
            "edge_cut": {
              "successes": 3,
              "failures": 0,
              "trials": 3,
              "success_rate": 1.0,
              "numerical_failures": 0,
              "mean_relative_error": 0.027795190159335348,
              "mean_error_samples": 3,
              "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded.",
              "pre_damage_failures": 0,
              "negligible_damage_trials": 0,
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              "conditional_success_rate": 1.0,
              "retained_recoveries": 3,
              "mean_recovery_time": 48.0
            }
          }
        }
      },
      "growth": {
        "successes": 8,
        "failures": 0,
        "trials": 8,
        "success_rate": 1.0,
        "numerical_failures": 0,
        "mean_relative_error": 0.0066059513913846206,
        "mean_error_samples": 8,
        "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded."
      },
      "persistence": {
        "successes": 0,
        "failures": 4,
        "trials": 4,
        "success_rate": 0.0,
        "numerical_failures": 0,
        "mean_relative_error": 0.06391846193249076,
        "mean_error_samples": 4,
        "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded."
      },
      "repair": {
        "successes": 9,
        "failures": 0,
        "trials": 9,
        "success_rate": 1.0,
        "numerical_failures": 0,
        "mean_relative_error": 0.016738555991159823,
        "mean_error_samples": 9,
        "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded.",
        "pre_damage_failures": 0,
        "negligible_damage_trials": 0,
        "conditional_trials": 9,
        "conditional_success_rate": 1.0,
        "retained_recoveries": 9,
        "mean_recovery_time": 48.0,
        "by_severity": {
          "moderate": {
            "successes": 9,
            "failures": 0,
            "trials": 9,
            "success_rate": 1.0,
            "numerical_failures": 0,
            "mean_relative_error": 0.016738555991159823,
            "mean_error_samples": 9,
            "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded.",
            "pre_damage_failures": 0,
            "negligible_damage_trials": 0,
            "conditional_trials": 9,
            "conditional_success_rate": 1.0,
            "retained_recoveries": 9,
            "mean_recovery_time": 48.0
          },
          "severe": {
            "successes": 0,
            "failures": 0,
            "trials": 0,
            "success_rate": null,
            "numerical_failures": 0,
            "mean_relative_error": null,
            "mean_error_samples": 0,
            "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded."
          }
        },
        "by_family": {
          "rectangle": {
            "successes": 3,
            "failures": 0,
            "trials": 3,
            "success_rate": 1.0,
            "numerical_failures": 0,
            "mean_relative_error": 0.011008366422348759,
            "mean_error_samples": 3,
            "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded.",
            "pre_damage_failures": 0,
            "negligible_damage_trials": 0,
            "conditional_trials": 3,
            "conditional_success_rate": 1.0,
            "retained_recoveries": 3,
            "mean_recovery_time": 48.0
          },
          "slit": {
            "successes": 3,
            "failures": 0,
            "trials": 3,
            "success_rate": 1.0,
            "numerical_failures": 0,
            "mean_relative_error": 0.011412111391795371,
            "mean_error_samples": 3,
            "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded.",
            "pre_damage_failures": 0,
            "negligible_damage_trials": 0,
            "conditional_trials": 3,
            "conditional_success_rate": 1.0,
            "retained_recoveries": 3,
            "mean_recovery_time": 48.0
          },
          "edge_cut": {
            "successes": 3,
            "failures": 0,
            "trials": 3,
            "success_rate": 1.0,
            "numerical_failures": 0,
            "mean_relative_error": 0.027795190159335348,
            "mean_error_samples": 3,
            "mean_error_note": "Last valid state per trial, including failures; failed horizons are explicitly recorded.",
            "pre_damage_failures": 0,
            "negligible_damage_trials": 0,
            "conditional_trials": 3,
            "conditional_success_rate": 1.0,
            "retained_recoveries": 3,
            "mean_recovery_time": 48.0
          }
        }
      },
      "duration_seconds": 4.042909583004075,
      "peak_process_rss_mb": 41.84375,
      "report_json": "rosette-regeneration.json",
      "report_csv": "rosette-regeneration.csv",
      "trials_csv": "rosette-regeneration-trials.csv",
      "plot": "rosette-regeneration.svg"
    }
  ],
  "description": "Frozen, exhaustive local NumPy evaluation of known training targets; every trial, including failures, is retained.",
  "limitations": [
    "One training run per regime is a case study, not independent training replication.",
    "Repair success requires an acceptable mature state, meaningful damage, and 3 consecutive acceptable measurements; later deterioration is reported separately.",
    "Growth and persistence use distinct frozen stochastic schedules. Transparent background is balanced against target foreground.",
    "Severe damage, persistent lesions, update-probability changes and total erasure are stress tests, not promised supported recovery conditions.",
    "Native timing measures this recorded environment; browser performance is measured separately."
  ],
  "evaluation_sha256": "b6135c01b4c99d929340d80b5638f2a193f061aa6e83f0b660919612f9a35296",
  "config": {
    "schema": "mycelium.evaluation.v1",
    "frozen_before_training": true,
    "grid_size": 32,
    "alpha_threshold": 0.1,
    "growth_horizon": 256,
    "growth_seeds": [
      90101,
      90102,
      90103,
      90104,
      90105,
      90106,
      90107,
      90108
    ],
    "persistence_horizon": 1024,
    "persistence_seeds": [
      90201,
      90202,
      90203,
      90204
    ],
    "repair_seeds": [
      90301,
      90302,
      90303
    ],
    "damage_step": 256,
    "repair_horizon": 256,
    "measurement_interval": 16,
    "sustained_samples": 3,
    "quality": {
      "maximum_relative_error": 0.35,
      "minimum_iou": 0.65
    },
    "minimum_removed_fraction": 0.08,
    "moderate_maximum_removed_fraction": 0.5,
    "damage_families": [
      {
        "name": "rectangle",
        "rect": [
          16,
          9,
          23,
          18
        ]
      },
      {
        "name": "slit",
        "rect": [
          14,
          5,
          17,
          27
        ]
      },
      {
        "name": "edge_cut",
        "rect": [
          0,
          0,
          12,
          32
        ]
      }
    ],
    "stress_seed": 90401,
    "stress": [
      "total_erasure",
      "large_cut",
      "probability_0.25",
      "probability_0.9",
      "persistent_lesion",
      "repeated_damage"
    ],
    "notes": "All targets are known training targets. One training initialization per regime is a case study, not replicated training. Thresholds fixed before training. Moderate or severe classification uses actual occupied cells removed."
  },
  "environment": {
    "python": "3.12.4 (v3.12.4:8e8a4baf65, Jun  6 2024, 17:33:18) [Clang 13.0.0 (clang-1300.0.29.30)]",
    "numpy": "2.0.2",
    "platform": "macOS-27.0-arm64-arm-64bit",
    "machine": "arm64",
    "runtime": "native NumPy CPU",
    "rng": "PCG64; Generator.random((height,width),dtype=float32) < p; C-order"
  },
  "total_trials": 135,
  "total_duration_seconds": 19.44238429199322,
  "peak_process_rss_mb": 41.84375
}