{
  "label": "three-candidate learning-rate selection study",
  "candidates": [
    {
      "config_id": "full_ft__lr1.0e-05",
      "lr": 1e-05,
      "epoch": 28,
      "val_war": 0.9436127744510978,
      "val_uar": 0.8422065711699508,
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      "n_retained_max": 2,
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    {
      "config_id": "full_ft__lr3.0e-05",
      "lr": 3e-05,
      "epoch": 18,
      "val_war": 0.9426147704590818,
      "val_uar": 0.8338242351934294,
      "val_loss": 0.17573785160235064,
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      "n_retained_max": 1,
      "checkpoint_sha256": "5ae44362ba0f0d46dd0227b21ae0bd5260c7cb4f26d6d94ea01463b0160dd98c",
      "train_time_sec": 18755.88986349106,
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    {
      "config_id": "full_ft__lr1.0e-04",
      "lr": 0.0001,
      "epoch": 94,
      "val_war": 0.9411177644710579,
      "val_uar": 0.8119364341735839,
      "val_loss": 0.2515738859267054,
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      "n_retained_max": 2,
      "checkpoint_sha256": "09d0e3ab357c1f141afb2d15b379ae2c66681fe0d74b95939b04e0081ec6b350",
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  ],
  "decision": {
    "rule_id": "set_rule_war_then_uar_v1",
    "rule": "retain every candidate whose validation WAR is within 1e-4 of the global maximum; within that set retain every candidate whose validation UAR is within 1e-4 of the retained maximum; within that, every candidate whose validation loss is within 1e-4 of the retained minimum; break remaining ties with the declared ordered keys. Order-independent by construction: no pairwise tolerance comparison is made.",
    "tolerance": 0.0001,
    "tie_breakers": [
      "lr",
      "config_id"
    ],
    "n_candidates": 3,
    "max_val_war": 0.9436127744510978,
    "n_retained_by_war": 1,
    "max_val_uar_in_retained": 0.8422065711699508,
    "n_retained_by_uar": 1,
    "min_val_loss_in_retained": 0.16450884051903517,
    "n_retained_by_loss": 1,
    "selected": {
      "config_id": "full_ft__lr1.0e-05",
      "lr": 1e-05,
      "epoch": 28,
      "val_war": 0.9436127744510978,
      "val_uar": 0.8422065711699508,
      "val_loss": 0.16450884051903517,
      "epochs_completed": 120,
      "n_retained_max": 2,
      "checkpoint_sha256": "3094f103c17bd13558f960c22b91ed3316679cadeab88ba269d862019c4dd58a",
      "train_time_sec": 18801.249953985214,
      "optimizer_updates": 66212
    }
  },
  "selected_run": "outputs/stage1_lr_study_2026-08-09_00-43-00/candidates/full_ft__lr1.0e-05",
  "accounting": {
    "candidates": [
      1e-05,
      3e-05,
      0.0001
    ],
    "n_candidates": 3,
    "epochs_each": 120,
    "training_fits": 3,
    "reportable_test_evaluations": 1,
    "label": "three-candidate learning-rate selection study"
  }
}