TCS 0.1;

PROGRAM HLP-PROGRAM-ECHO-0001 {
  header {
    schema = "tcs.program/v1";
    name_zh = "最小回声程序";
    name_en = "Minimum Echo Program";
    version = "0.1.0";
    language = "TCS/0.1";
    profile = "HLDP-NP/1";
    protocols = ["GLS-0101", "GLS-0130", "GLS-0131", "GLS-0411"];
    lifecycle = "CANDIDATE";
    canonical_uri = "language/examples/ECHO-MODULE.tcs";
    compatibility = ["TCS-STAGE0-IGNITION-0001"];
  }
  source {
    source_id = "HLP-PART-TCS-LANG-0001";
    source_uri = "language/examples/ECHO-MODULE.tcs";
    source_sha256 = "SELF_AT_COMPILE_TIME";
    source_role = "REGISTERED_MODULE";
  }
  subject {
    subject_id = "HLP-SYSTEM-STAGE0-TEST";
    subject_kind = "SYSTEM";
    channel_id = "ICE-CH-ZC001";
    verification = "LOCAL_TEST_FIXTURE";
  }
  target {
    target_id = "HLP-TARGET-STAGE0-RECEIPT";
    exact_path = "./build/echo-receipt.hldp";
    expected_state = "ABSENT";
    expected_fingerprint = "NONE";
  }
  inputs {
    MESSAGE { type = "Text"; source = "PROGRAM_LITERAL"; required = true; value = "光湖语言已经进入机器执行链"; }
  }
  outputs {
    ECHOED { type = "Text"; destination = "RECEIPT"; integrity = "SHA256"; }
  }
  conditions {
    C1 { predicate = "TARGET_WITHIN_TEST_BUILD_ROOT"; on_false = "FAIL_CLOSED"; }
  }
  actions {
    A1 {
      operation = "CORE.ECHO";
      input_refs = ["MESSAGE"];
      output_refs = ["ECHOED"];
      on_success = "COMPLETE";
      on_failure = "FAIL_CLOSED";
    }
  }
  authority {
    issuer = "LOCAL_TEST_FIXTURE";
    proof_ref = "TEST-ONLY";
    scope = "EXACT_BUILD_RECEIPT_PATH";
    valid_from = "PROGRAM_START";
    valid_until = "PROGRAM_END";
    single_use = true;
    lease_required = false;
  }
  resources {
    runway = "LOCAL_TEST";
    concurrency = 1;
    timeout_ms = 1000;
    memory_limit_bytes = 1048576;
  }
  failure { errors = ["TCS-E6001", "TCS-E8001"]; fail_closed = true; }
  stop { signals = ["TIMEOUT"]; safe_checkpoint = "NONE"; }
  cleanup { targets = ["UNCOMMITTED_TEST_RECEIPT"]; exact_boundary = "./build"; }
  rollback { preconditions = ["RECEIPT_NOT_COMMITTED"]; actions = ["DROP_TEMP_RECEIPT"]; verification = ["NO_FINAL_RECEIPT"]; }
  receipt {
    protocol = "TCS-DEV-VERIFY-v1.0";
    machine_path = "./build/echo-receipt.hldp";
    human_projection = "REQUIRED";
    integrity = "SHA256";
    target_readback = "EXACT_CONTENT_AND_HASH";
  }
}