{
  "schema": "guanghu.broadcast-contract/v1",
  "contract_id": "GH-BROADCAST-0001",
  "purpose": "Compile a language broadcast through draft, confirmation, dispatch, delivery, target acceptance and scoped verification without using model text as its own receipt.",
  "required_fields": [
    "broadcast_id",
    "action",
    "current_state",
    "issuer",
    "source_layer",
    "channel_id",
    "audience",
    "purpose",
    "claim_layer",
    "payload_ref",
    "payload_digest",
    "requested_effect"
  ],
  "states": [
    "DRAFTED",
    "LANGUAGE_CONFIRMED",
    "DISPATCH_ELIGIBLE",
    "DISPATCHED",
    "DELIVERED",
    "TARGET_ACCEPTED",
    "REALITY_VERIFIED",
    "SUPERSEDED",
    "REJECTED"
  ],
  "actions": [
    "DRAFT",
    "CONFIRM_LANGUAGE",
    "CHECK_DISPATCH",
    "DISPATCH",
    "REPORT_DELIVERY",
    "TARGET_ACCEPT",
    "VERIFY_EFFECT",
    "CORRECT",
    "REJECT"
  ],
  "hard_invariants": {
    "draft_is_not_broadcast": true,
    "language_confirmation_is_not_dispatch": true,
    "dispatch_is_not_delivery": true,
    "delivery_is_not_target_acceptance": true,
    "target_acceptance_is_not_external_effect_verification": true,
    "local_receive_is_not_external_publish": true,
    "model_response_is_not_dispatch_delivery_acceptance_or_reality_receipt": true,
    "broadcast_never_grants_persona_identity_relationship_or_authority_automatically": true,
    "every_target_requires_its_own_delivery_and_acceptance_proof": true,
    "correction_supersedes_an_addressable_prior_broadcast": true,
    "legacy_national_global_permanent_blockchain_finance_language_remains_simulation_without_scoped_evidence": true
  }
}