{
  "report_version": "senator_zero_cost_source_gap_report_v0",
  "status": "usable_descriptive_not_alpha_proof",
  "claim_boundary": "This no-pay bundle publishes official Senate disclosure-derived data and exploratory no-cost market-context summaries. It does not claim intent, illegality, causality, insider trading, realized private returns, or release-grade above-market alpha.",
  "source_gaps": [
    {
      "gap": "release_grade_total_return_source",
      "status": "open",
      "why_it_matters": "No-cost adjusted-close feeds do not verify delisting returns and cannot support a release-grade above-market alpha claim.",
      "no_pay_workaround": "Publish official disclosure data, no-cost exploratory summaries, followability/descriptive views, and falsification scaffolding with the alpha claim blocked."
    },
    {
      "gap": "raw_market_data_redistribution",
      "status": "intentionally_omitted",
      "why_it_matters": "Free market-data providers commonly restrict raw redistribution; the bundle carries derived summaries and receipt metadata instead.",
      "no_pay_workaround": "Keep reproducible fetch receipts and derived return-test summaries; exclude market_prices.jsonl from the public bundle."
    },
    {
      "gap": "security_master_identity",
      "status": "partial",
      "why_it_matters": "Ticker strings can change, collide, or miss delisted securities.",
      "no_pay_workaround": "Keep ticker-mapping confidence labels and treat unresolved/ambiguous securities as descriptive gaps."
    }
  ],
  "market_data_policy": {
    "provider": "yahoo_chart",
    "security_level_total_return_source": "missing_release_grade_source",
    "license_compatible": false,
    "total_return_verified": false,
    "delisting_return_verified": false,
    "alpha_ready": false,
    "claim_boundary": "Return-test rows are descriptive unless the market-data policy says alpha_ready=true. No public claim of above-benchmark performance is allowed from adjusted-close-only or unlicensed market data."
  }
}