{
  "tool_id": "art-301-section125-ndt",
  "note": "golden_hash filled via `node golden-parity.test.mjs --update`. output_payload values captured from live compute() before commit.",
  "vectors": [
    {
      "name": "all-tests-pass",
      "policy_parameters": {
        "nhce_eligible_count": 180,
        "nhce_total_count": 200,
        "hce_eligible_count": 20,
        "hce_total_count": 20,
        "nhce_avg_benefit_pct": 0.06,
        "hce_avg_benefit_pct": 0.055,
        "key_employee_elected_total": 15000,
        "total_elected_all_participants": 100000
      },
      "output_payload": {
        "eligibility": {
          "nhce_eligibility_rate": 0.9,
          "hce_eligibility_rate": 1,
          "ratio": 0.9,
          "threshold": 0.7,
          "pass": true
        },
        "benefits": {
          "nhce_avg_benefit_pct": 0.06,
          "hce_avg_benefit_pct": 0.055,
          "ratio": 1.0909090909090908,
          "threshold": 1,
          "pass": true
        },
        "concentration": {
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          "limit": 0.25,
          "pass": true
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        "all_tests_pass": true,
        "error": null
      },
      "golden_hash": "f7b47871dbecf210d3fb7d5c1e8805ea1d10a694affa7d9ce7781ba8f3708de1"
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    {
      "name": "eligibility-ratio-fail",
      "policy_parameters": {
        "nhce_eligible_count": 100,
        "nhce_total_count": 200,
        "hce_eligible_count": 20,
        "hce_total_count": 20,
        "nhce_avg_benefit_pct": 0.06,
        "hce_avg_benefit_pct": 0.055,
        "key_employee_elected_total": 15000,
        "total_elected_all_participants": 100000
      },
      "output_payload": {
        "eligibility": {
          "nhce_eligibility_rate": 0.5,
          "hce_eligibility_rate": 1,
          "ratio": 0.5,
          "threshold": 0.7,
          "pass": false
        },
        "benefits": {
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          "hce_avg_benefit_pct": 0.055,
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          "pass": true
        },
        "concentration": {
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        "error": null
      },
      "golden_hash": "1db12f5036c575e2578ed2a3de9362223a45039f0d405287d7eb6f8c2ffa6601"
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    {
      "name": "key-employee-concentration-fail",
      "policy_parameters": {
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        "nhce_total_count": 200,
        "hce_eligible_count": 20,
        "hce_total_count": 20,
        "nhce_avg_benefit_pct": 0.06,
        "hce_avg_benefit_pct": 0.055,
        "key_employee_elected_total": 30000,
        "total_elected_all_participants": 100000
      },
      "output_payload": {
        "eligibility": {
          "nhce_eligibility_rate": 0.9,
          "hce_eligibility_rate": 1,
          "ratio": 0.9,
          "threshold": 0.7,
          "pass": true
        },
        "benefits": {
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          "threshold": 1,
          "pass": true
        },
        "concentration": {
          "concentration_ratio": 0.3,
          "limit": 0.25,
          "pass": false
        },
        "all_tests_pass": false,
        "error": null
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      "golden_hash": "3b98945c5f3b644612129f83b00e313d9a3785d20586f1c72f970fb9c14579d0"
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    {
      "name": "missing-parameter-not-supplied",
      "policy_parameters": {
        "nhce_eligible_count": 180,
        "nhce_total_count": 200
      },
      "output_payload": {
        "eligibility": {
          "nhce_eligibility_rate": null,
          "hce_eligibility_rate": null,
          "ratio": null,
          "threshold": 0.7,
          "pass": null
        },
        "benefits": {
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          "hce_avg_benefit_pct": null,
          "ratio": null,
          "threshold": 1,
          "pass": null
        },
        "concentration": {
          "concentration_ratio": null,
          "limit": 0.25,
          "pass": null
        },
        "all_tests_pass": null,
        "error": "missing_required_count_parameter"
      },
      "golden_hash": "37d26e434d56dde77a51597354628124d7cebcb497e2286b5917d5166aa52213"
    },
    {
      "name": "empty-input-finite-gate",
      "policy_parameters": {},
      "output_payload": {
        "eligibility": {
          "nhce_eligibility_rate": null,
          "hce_eligibility_rate": null,
          "ratio": null,
          "threshold": 0.7,
          "pass": null
        },
        "benefits": {
          "nhce_avg_benefit_pct": null,
          "hce_avg_benefit_pct": null,
          "ratio": null,
          "threshold": 1,
          "pass": null
        },
        "concentration": {
          "concentration_ratio": null,
          "limit": 0.25,
          "pass": null
        },
        "all_tests_pass": null,
        "error": "missing_required_count_parameter"
      },
      "golden_hash": "257792e6d9ad6567da2c698553315526aa2511c1601cf44ae9b53c85a8ccc7c4"
    }
  ]
}