{
  "date": "2026-10-26",
  "default_witness": {
    "baseline_concentration_hhi": 0.255,
    "budget": 3,
    "changed_final_selections": 4,
    "changed_paths": 14,
    "cohort": "mixed",
    "crowd_feedback": true,
    "neutral_final_selections": [
      0,
      3,
      0,
      3,
      3,
      15
    ],
    "neutral_visits": [
      24,
      5,
      0,
      18,
      6,
      19
    ],
    "promoted_concentration_hhi": 0.2199,
    "promoted_final_selections": [
      1,
      3,
      0,
      3,
      2,
      15
    ],
    "promoted_visits": [
      23,
      4,
      13,
      11,
      4,
      17
    ],
    "seed": 17
  },
  "facts": {
    "actual_external_shop_opens": 0,
    "js_vs_python_stored_case_metric_differences": 0,
    "live_model_runs": 0,
    "local_python_regression_test_methods_passed": 10,
    "metrics_equal_across_js_and_python_reference": 22528,
    "real_purchases": 0,
    "scripted_shoppers_per_arm": 24,
    "total_paired_worlds": 2048,
    "total_scripted_policy_executions": 98304,
    "visible_shops": 6
  },
  "limits": [
    "All shopper policies and utility weights are written by the experiment author.",
    "The open counts are explicit synthetic directory opens and are not measurements of private attention.",
    "Scenario frequencies do not estimate real-world ad effectiveness, LLM behavior, consumer purchasing, or systemic manipulation.",
    "Source code and test fixtures share authorship; same-author dual-language check is not independent scientific replication.",
    "No live provider sessions, real storefront search, real vendor claims, products purchased or provider identity verification.",
    "Future outsider-environment run requires fresh isolated model contexts and actual trace capture."
  ],
  "lineage": {
    "outsider_environment_status": "NOT_EXECUTED",
    "prior_independent_model_episodes": 0,
    "prior_pilot_status": "OFFLINE_HARNESS_TESTED_NO_MODEL_RUNS",
    "prior_synthetic_worlds": 216,
    "separate_pilot": "SHOPPING-AGENT-PILOT-2026-10-21-001"
  },
  "record_id": "GOBLIN-SHOPPING-ATTENTION-DEMO-2026-10-26-001",
  "source_receipt": {
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  "status": "SCRIPTED_POLICY_DEMO_NO_MODEL_AGENTS",
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