{
  "t1": 1573,
  "t2": 8400,
  "t3": 11700,
  "t_grok": 9900,
  "rules": {
    "train_plateau_rel_drop": 0.01,
    "grok_test_fraction": 0.2,
    "cleanup_ssw_fraction": 0.05
  }
}