{
  "paper": "2607.11326",
  "adapter": "prompt-generation",
  "seed": 42,
  "dataset": {
    "name": "MiniOneRec Amazon Office_Products",
    "paper_train_rows": 36586,
    "local_train_rows": 4000,
    "catalog_items": 3459
  },
  "setup": {
    "model": "Qwen/Qwen2.5-0.5B-Instruct",
    "steps_per_variant": 20,
    "trainable_lora_parameters": 270336,
    "validation_users": 12,
    "test_users": 12,
    "sampled_candidates": 20
  },
  "selection": {
    "rule": "validation HR@10, then HR@5, then shorter prompt",
    "selected": "sid_plus_title",
    "selected_test_hr10_relative_to_sid_only_percent": -11.1111111111
  },
  "variants": {
    "sid_only": {
      "mean_prompt_tokens": 61.075,
      "initial_loss": 2.6339375019,
      "final_loss": 1.7992321253,
      "validation_hr10": 0.8333333333,
      "test_hr1": 0.4166666667,
      "test_hr5": 0.4166666667,
      "test_hr10": 0.75,
      "test_scoring_seconds": 14.446418458
    },
    "sid_plus_title": {
      "mean_prompt_tokens": 128.65,
      "initial_loss": 2.9980311871,
      "final_loss": 2.3921007156,
      "validation_hr10": 0.8333333333,
      "test_hr1": 0.3333333333,
      "test_hr5": 0.4166666667,
      "test_hr10": 0.6666666667,
      "test_scoring_seconds": 154.924846917
    },
    "sid_plus_merged_title_brand": {
      "mean_prompt_tokens": 66.975,
      "initial_loss": 2.6500048161,
      "final_loss": 1.9926205635,
      "validation_hr10": 0.75,
      "test_hr1": 0.4166666667,
      "test_hr5": 0.4166666667,
      "test_hr10": 0.5,
      "test_scoring_seconds": 14.900983458
    }
  },
  "efficiency": {
    "merged_vs_raw_title_prompt_tokens_percent": -47.9401476875,
    "merged_vs_raw_title_test_scoring_time_percent": -90.3817983938,
    "merged_vs_sid_only_test_scoring_time_percent": 3.1465412375
  },
  "conclusion": "The local budget validates PG token-compression efficiency but does not reproduce an accuracy lift over SID-only.",
  "schema_version": 2,
  "manifest_ref": "reproduction:prompt-generation",
  "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/2607.11326-prompt-generation/metrics/office-qwen05b-seed42.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}