{
  "notice": "Synthetic labels only. No credential, customer record or test result.",
  "code": "def synthetic_total(values): return sum(values)",
  "secret": "NOT_A_CREDENTIAL_D01_CANARY",
  "log": "SYNTHETIC_D01_TEST_TRACE\n  File test_total.py, line 6: synthetic_total(None)\n  File example.py, line 2: return sum(values)\nTypeError: NoneType object is not iterable\nExpected test behaviour: return 0 for an empty input; decide separately whether None is valid.",
  "context": "SYNTHETIC_D01_CONTEXT_MARKER"
}