{
  "schemaVersion": 3,
  "policyId": "lesson-quorum-v3",
  "status": "adopted-founding-stage",
  "effectiveDate": "2026-07-20",
  "countingUnit": "isolated-agent-review-run",
  "foundingStage": {
    "active": true,
    "purpose": "Permit one disclosed maintainer to operate an auditable cross-model review quorum while the contributor community is being established.",
    "accountablePrincipalMayOperateAuthorReviewAndAdjudicationAgents": true,
    "githubCommentReviewAcceptedForSelfOperatedAgents": true,
    "revisitAfterPublishedLessons": 25
  },
  "agentIndependence": {
    "distinctRunIdsRequired": true,
    "reviewRunsMustDifferFromAuthorRuns": true,
    "adjudicationRunMustDifferFromAuthorAndReviewRuns": true,
    "allCountedReviewsRequireAgentProvenance": true,
    "adjudicationRequiresAgentProvenance": true,
    "requiredDisclosure": [
      "system",
      "provider",
      "model",
      "version",
      "runId",
      "instructionsDigest"
    ]
  },
  "tiers": {
    "minor-correction": {
      "policyId": "minor-correction-v2",
      "reviewMode": "approval-quorum",
      "eligibleReviewVerdicts": [
        "approve"
      ],
      "minimumReviewInputs": 2,
      "minimumApprovingReviews": 2,
      "roleMinimums": {
        "academic": 1,
        "learning-design": 0,
        "accessibility-rights": 1
      },
      "minimumDistinctPrincipals": 1,
      "minimumDistinctAgentRuns": 2,
      "minimumDistinctAgentModelFamilies": 2,
      "finalAdjudicators": 1
    },
    "standard": {
      "policyId": "standard-lesson-v3",
      "reviewMode": "advisory-finalization",
      "eligibleReviewVerdicts": [
        "approve",
        "request-changes"
      ],
      "minimumReviewInputs": 2,
      "minimumApprovingReviews": 0,
      "roleMinimums": {
        "academic": 1,
        "learning-design": 1,
        "accessibility-rights": 0
      },
      "minimumDistinctPrincipals": 1,
      "minimumDistinctAgentRuns": 2,
      "minimumDistinctAgentModelFamilies": 2,
      "finalAdjudicators": 1,
      "finalCommitRequired": true,
      "adjudicatorMayFinalizeContentOnce": true,
      "adjudicatorAccessibilityRightsAuditRequired": true,
      "allReviewFindingsRequireDisposition": true
    },
    "high-impact": {
      "policyId": "high-impact-lesson-v2",
      "reviewMode": "approval-quorum",
      "eligibleReviewVerdicts": [
        "approve"
      ],
      "minimumReviewInputs": 5,
      "minimumApprovingReviews": 5,
      "roleMinimums": {
        "academic": 3,
        "learning-design": 1,
        "accessibility-rights": 1
      },
      "minimumDistinctPrincipals": 1,
      "minimumDistinctAgentRuns": 5,
      "minimumDistinctAgentModelFamilies": 3,
      "finalAdjudicators": 1
    },
    "rephrasing": {
      "policyId": "rephrasing-v1",
      "reviewMode": "maintainer-attested",
      "purpose": "Repair the readability of an already published lesson \u2014 typography, grammar, ambiguous phrasing \u2014 without convening the reviewer quorum, because the change cannot alter what the lesson teaches.",
      "eligibleReviewVerdicts": [],
      "minimumReviewInputs": 0,
      "minimumApprovingReviews": 0,
      "roleMinimums": {
        "academic": 0,
        "learning-design": 0,
        "accessibility-rights": 0
      },
      "minimumDistinctPrincipals": 1,
      "minimumDistinctAgentRuns": 0,
      "minimumDistinctAgentModelFamilies": 0,
      "finalAdjudicators": 1,
      "finalCommitRequired": false,
      "adjudicatorMayFinalizeContentOnce": false,
      "adjudicatorAccessibilityRightsAuditRequired": false,
      "allReviewFindingsRequireDisposition": false,
      "machineGate": "rephrasing-gate-v1",
      "gateEnforcedBy": "scripts/validate-rephrasing-pr.mjs",
      "requires": [
        "The lesson is already published, so the content being repaired has already cleared a full quorum.",
        "The version advances by exactly one patch step.",
        "Only scene prose changes: mathematics, every number, scene directives, claim and source mappings, section structure, assessment answers, objectives, glossary meanings, and references are identical.",
        "The accountable maintainer merges it and is answerable for the judgement that the wording is clearer."
      ],
      "forbids": "Any change to teaching content, claims, evidence, assessment, structure, or status. A change that cannot pass the machine gate uses the standard tier."
    }
  },
  "legacyAdjudications": [
    {
      "lessonId": "PREM-WEL-001",
      "lessonVersion": "0.4.2",
      "riskTier": "standard",
      "policyId": "standard-lesson-v2",
      "reviewMode": "approval-quorum",
      "eligibleReviewVerdicts": [
        "approve"
      ],
      "minimumReviewInputs": 3,
      "minimumApprovingReviews": 3,
      "roleMinimums": {
        "academic": 1,
        "learning-design": 1,
        "accessibility-rights": 1
      },
      "minimumDistinctPrincipals": 1,
      "minimumDistinctAgentRuns": 3,
      "minimumDistinctAgentModelFamilies": 3,
      "finalAdjudicators": 1,
      "finalCommitRequired": false,
      "adjudicatorMayFinalizeContentOnce": false,
      "adjudicatorAccessibilityRightsAuditRequired": false,
      "allReviewFindingsRequireDisposition": false
    }
  ],
  "mergeRequirements": {
    "allReviewsTargetSameCandidateCommit": true,
    "noUnresolvedBlockingFindings": true,
    "quorumSnapshotMustBeSatisfied": true,
    "finalAdjudicationFileMustBeCommittedWithLesson": true,
    "adjudicationRunMustBeFresh": true,
    "standardLessonFinalization": "Two role-isolated reviews advise one fresh adjudicator. The adjudicator may make one final content revision, must dispose every finding, and owns the final accessibility-and-rights audit and merge decision.",
    "postCandidateMutableFields": [
      "lesson.json.status",
      "lesson.json.sourceConfidence",
      "claims.json.claims[].reviewStatus"
    ],
    "staleReviewsAreDismissedAfterLessonChanges": true
  }
}