{
  "run": "20260715-110507-762784",
  "dataset": "MiniOneRec Amazon Office_Products",
  "train_rows": 12000,
  "validation_users": 96,
  "test_users": 96,
  "items": 3459,
  "selected_variant": "a2po",
  "psj": {
    "sft_initial_loss": 1.3690356969833375,
    "sft_final_loss": 1.1725122451782226,
    "sft_point_accuracy": 0.3489583333333333,
    "aligned_point_accuracy": 0.3802083333333333,
    "pairwise_accuracy": 0.59375
  },
  "a2po_diagnostics": {
    "semantic_sampling_ratio": 0.05,
    "semantic_queries": 9,
    "directional_consistency": 0.4236111111111111,
    "mean_semantic_coefficient": 0.1426066177793675,
    "semantic_bound_violations": 0,
    "clip_fraction": 0.0
  },
  "test": {
    "business": {
      "hr_at_10": 0.041666666666666664,
      "ndcg_at_10": 0.030133221465774712
    },
    "reward_sum": {
      "hr_at_10": 0.041666666666666664,
      "ndcg_at_10": 0.028769369866072033
    },
    "adv_sum": {
      "hr_at_10": 0.041666666666666664,
      "ndcg_at_10": 0.028769369866072033
    },
    "a2po": {
      "hr_at_10": 0.041666666666666664,
      "ndcg_at_10": 0.028769369866072033
    }
  },
  "schema_version": 2,
  "manifest_ref": "reproduction:s-grec",
  "evaluation_protocol": {
    "tier": "l3_paper_pipeline",
    "seeds": [
      42
    ],
    "formal_comparison": false,
    "claim_policy": "single/few-seed smoke result; do not claim a stable improvement"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2602.10606-s-grec/metrics/office-seed42.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}