{
  "stage": "rain_ep_random_beta_s2",
  "status": "invalid_unmatched_corruption_development",
  "rows": [
    {
      "seed": 1989,
      "random_beta_validation_accuracy": 0.4815,
      "positive_beta_steps": 115,
      "negative_beta_steps": 122,
      "final_bias_state_difference_rms": 0.00019334602670050772
    },
    {
      "seed": 1990,
      "random_beta_validation_accuracy": 0.739,
      "positive_beta_steps": 115,
      "negative_beta_steps": 122,
      "final_bias_state_difference_rms": 0.00017428155723407375
    }
  ],
  "reason_not_comparable": "The development injector normalized its fixed field from the first realized clean beta-state difference. A random-sign run initialized from a different beta sign than the fixed-positive runs and realized roughly 2.5 times their bias RMS. The results validate execution and sign accounting but do not compare methods at matched corruption.",
  "next_protocol": "Normalize hardware readout bias from the free-state activity only, independently of beta sign and task difference, before comparing fixed-positive EP, random-sign beta, constant calibration and innovation.",
  "test_policy": "development holdout observed; no performance claim"
}