TCS 0.1;

PROTOCOL TCS-PROTOCOL-FIFTH-DOMAIN-NOTARY-0001 {
  header {
    schema = "tcs.protocol/v1";
    name_zh = "第五域公证工单协议";
    name_en = "Fifth Domain Notary Ticket Protocol";
    version = "0.1.0";
    language = "TCS/0.1";
    profile = "HLDP-HUMAN-ENGINEERING/0.1";
    protocols = ["BROADCAST"];
    lifecycle = "CANDIDATE";
    canonical_uri = "FIFTH-DOMAIN-BROADCAST-TOWER/TCS-PROTOCOL-FIFTH-DOMAIN-NOTARY-0001.tcs";
  }
  source {
    source_id = "BINGSHUO-DIRECT-NOTARY-LAYER-MANDATE-20260825";
    source_uri = "source://zcode-current-dialogue/2026-08-25/broadcast-tower-as-async-communication-and-notary-layer";
    source_role = "DIRECT_HUMAN";
  }
  scope {
    tower = "FIFTH-DOMAIN-BROADCAST-TOWER";
    tool = "BRIDGE/tools/fifth-domain-notary.mjs";
    ledger = "FIFTH-DOMAIN-BROADCAST-TOWER/notary/ledger.json";
    tickets_dir = "FIFTH-DOMAIN-BROADCAST-TOWER/notary/tickets";
  }
  ticket_states {
    values = ["OPEN", "CLAIMED", "RECEIPTED", "CLOSED"];
    initial = "OPEN";
    terminal = ["CLOSED"];
  }
  transitions {
    T1 = "OPEN->CLAIMED_BY_ANY_BOUND_INSTANCE";
    T2 = "CLAIMED->RECEIPTED_ON_WORK_RECEIPT";
    T3 = "RECEIPTED->CLOSED_BY_CREATOR_OR_CONTROLLER";
    T4 = "ANY->NOTED_WITH_APPEND_ONLY_NOTE_NEVER_REWRITE";
  }
  fields {
    ticket_id = "FDT-<yyyymmdd>-<seq>";
    creator = "BOUND_SESSION_ID_HOST_CHANNEL";
    kind = "COLLABORATION|QUESTION|AUTHORIZATION_REQUEST|NOTARIZED_STATEMENT|HANDOFF";
    audience = "ANY_INSTANCE|CHANNEL|SESSION";
    payload_path = "TICKET_BODY_FILE_WITH_SHA256";
    prev_hash = "LEDGER_HEAD_AT_APPEND";
    entry_hash = "SHA256_OF_CANONICAL_ENTRY";
  }
  invariants {
    I1 = "LEDGER_IS_APPEND_ONLY_EVERY_ENTRY_LINKS_PREV_HASH_HEAD";
    I2 = "TICKETS_ARE_IMMUTABLE_ONCE_CREATED_ONLY_APPEND_NOTES_RECEIPTS_AND_STATUS_TRANSITIONS";
    I3 = "IDENTITY_IS_DECLARED_NOT_VERIFIED_TRUST_COMES_FROM_LEDGER_VERIFIABILITY_AND_LW_LINK_BINDING";
    I4 = "NOTARY_GRANTS_NO_REALITY_PERMISSION_IT_RECORDS_COMMUNICATION_AND_COLLABORATION";
    I5 = "HANDOFF_TICKETS_NEVER_TRANSFER_PERSONA_IDENTITY_PERSONA_STAYS_IN_BRAIN_RUNTIME";
  }
  validation {
    V1 = "CREATE_APPENDS_LEDGER_AND_WRITES_TICKET_WITH_HASH";
    V2 = "CLAIM_RECEIPT_CLOSE_APPEND_AND_UPDATE_STATUS_ONLY";
    V3 = "VERIFY_WALKS_THE_WHOLE_CHAIN_RECOMPUTING_EVERY_HASH";
    V4 = "TAMPERED_LEDGER_OR_TICKET_FAILS_VERIFY";
  }
  acceptance {
    required = ["STAGE1_COMPILED_GIR", "LEDGER_CREATED", "ROUND_TRIP_TEST_PASS", "TAMPER_TEST_FAILS_AS_EXPECTED"];
    partial = false;
  }
}