{
  "required": [
    "assurance_requirement",
    "capabilities",
    "envelope_hash",
    "envelope_id",
    "environment_scope",
    "execution_scope",
    "geographic_scope",
    "maximum_concurrency",
    "maximum_effect",
    "maximum_frequency",
    "model_scope",
    "required_evidence",
    "required_verification",
    "resource_budget",
    "revocation_conditions",
    "risk_ceiling",
    "runtime_scope",
    "schema",
    "subject",
    "temporal_scope",
    "tool_scope",
    "trust_requirement"
  ],
  "rule": "envelope <= authority (never expands authority)",
  "title": "Autonomous Governance Envelope"
}