ARIEC61850 C++ validation ledger

Phase 4B accepted baseline

- GCC/Clang warnings-as-errors: passed.

- Windows MSVC matrix: passed.

- Clang ASan/UBSan: passed.

- Repository CTest through Phase 4B: 16/16 passed.

- Reporting fuzz evidence: passed.

Phase 4C local evidence

- GCC and Clang strict warning build of TCP transport/loopback: passed.

- POSIX TCP loopback connect/send/receive: passed.

- Cancellation behavior: passed.

- Clang ASan/UBSan loopback smoke: passed.

- Scripted discovery and read-only service allowlist: added.

Phase 4C.1 local evidence

- C#-compatible live-model hierarchy and reference parser: implemented.

- Direct and nested TypeSpecification resolution: locally validated.

- Deterministic canonical manifest/fingerprint and parity: locally validated.

- Header multi-translation-unit GCC/Clang strict validation: passed.

- Live-model ASan/UBSan smoke: passed.

- Python parity and interop runners: py_compile passed.

- Simulated three-cycle physical acceptance runner: passed with stable fingerprint.

Pending acceptance

- GitHub workflow_dispatch for GCC/Clang/MSVC and Security/Evidence on PR #14.

- Full repository CTest on the Phase 4C.1 branch.

- Reachable physical IED or vendor-simulator run.

- Primary-vendor ten-cycle run and timeout/reconnect evidence.

- Large-model pagination evidence where available.

- C# and C++ same-IED live-ied-model-v1 parity review.

No physical IED evidence is claimed by this ledger.