{
  "seed": 42,
  "dataset": "MovieLens 100K (220 users / 360 items)",
  "baseline": {
    "hit_at_10": 0.109091,
    "ndcg_at_10": 0.054005,
    "fresh_hit_at_10": 0.031746,
    "head_share_at_10": 0.237727
  },
  "method": {
    "hit_at_10": 0.118182,
    "ndcg_at_10": 0.063372,
    "fresh_hit_at_10": 0.079365,
    "head_share_at_10": 0.218636
  },
  "relative": {
    "hit_at_10_percent": 8.333333,
    "ndcg_at_10_percent": 17.344192,
    "fresh_hit_at_10_percent": 150.0,
    "head_share_at_10_percent": -8.030593
  },
  "generations": 3,
  "champion": {
    "transition": 0.3,
    "content": 0.35,
    "diversity": 0.35
  },
  "schema_version": 2,
  "manifest_ref": "reproduction:agentic-rec-tune",
  "evaluation_protocol": {
    "tier": "l2_public_dataset",
    "seeds": [
      42
    ],
    "formal_comparison": false,
    "claim_policy": "single/few-seed smoke result; do not claim a stable improvement"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2604.26969-agentic-rec-tune/metrics/movielens-100k-seed42.json",
    "generated_at": "2026-08-09",
    "dataset_fingerprint": "MovieLens-100K compact deterministic slice",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded"
  }
}