{
  "term": {
    "id": "lex:master-constraint-block",
    "slug": "master-constraint-block",
    "term": "Master Constraint Block",
    "aliases": [
      "MCB",
      "Master Constraint Block (MCB)"
    ],
    "kind": "canon",
    "type": "framework",
    "definition": "Immutable, cryptographically-signed business rule container. SHA-256 signature over deterministic JSON representation. Survives session resets. Supports 7 constraint types (threshold, mandatory, forbidden, pattern, semantic, temporal, dependency) and 4 enforcement actions (block, warn, correct, escalate). Integrity verification on every validation turn.",
    "definition_basis": "verbatim",
    "definition_source": "https://app.notion.com/p/c2ef894152844fde8836a6b4c85c9450",
    "provenance": [
      {
        "source": "notion",
        "ref": "https://app.notion.com/p/c2ef894152844fde8836a6b4c85c9450",
        "captured_at": "2026-07-25"
      }
    ],
    "related": [],
    "status": "published",
    "first_seen": "2026-04-16",
    "source_ids": [
      "ip:AI-FW-MCB-001"
    ]
  },
  "url": "https://lexicon.neuruh.com/t/master-constraint-block",
  "cite": "lex:master-constraint-block — Neuruh Lexicon v1.0.0",
  "lexicon_version": "1.0.0",
  "content_hash": "0a2bb72426e976507b89a3172a8c5671b6fe136f6e54ce8499ec1d890ac7e851"
}