Integrate Publisher and ArSubsv with sibling ARIEC61850 engine

[masarray]

Purpose

Remove the embedded IEC 61850 engine from the active ARSVIN application graph so ARSVIN Publisher and ArSubsv Subscriber develop against one managed source of truth: masarray/ARIEC61850.

This draft supersedes the standalone engine placement in draft PR #50 and is paired with ARIEC61850 draft PR #45. Neither PR is merged.

Architecture change

Publisher, Subscriber, and ARSVIN.Tests now reference the sibling projects:

• ARIEC61850/src/AR.Iec61850/AR.Iec61850.csproj
• ARIEC61850/src/AR.Iec61850.Transports.Npcap/AR.Iec61850.Transports.Npcap.csproj

The embedded src/ARSVIN.Engine project is removed from the active solution and active ProjectReferences. Remaining source in that directory is inactive migration material only.

Reproducible paired-engine pin

The exact engine revision is stored in:

engines/ARIEC61850.lock.json

Current pin:

repository: masarray/ARIEC61850
ref: agent/sv-core-unification
commit: fcc05de1f4b11560195e2589aa032e1d4c4b95f7
paired PR: #45

CI, CodeQL, local paired validation, build automation, packaging, release provenance, and SBOM processing resolve and verify this 40-character SHA. A moving branch name is no longer the build identity.

Governance

• engine-ownership validation blocks active references to ARSVIN.Engine
• reusable AR.Iec61850.* namespaces cannot be reintroduced in Publisher or Subscriber folders
• build.ps1 fails on a sibling-engine commit mismatch
• scripts/test-paired-engine.ps1 runs engine tests, paired application build/tests, and integration coverage gates
• build evidence records expected and actual engine commits
• release packages and CycloneDX SBOM record both application and engine provenance

Generic SV direction

• generic raw seqOfData inspection without invented channel semantics
• optional SCL-driven ordered mapping
• no engineering scaling without evidence
• UNKNOWN configuration or measurement context is not automatically BAD
• no ABB, Siemens, SEL, MAC OUI, APPID, svID, or amplitude-based decoder selection

Compatibility issues found and fixed during pairing

• MacAddress now compares address octets by value rather than backing-array reference
• stale ARSVIN quality test corrected to IEC validity encoding 01b=Invalid
• Publisher evidence report heading and explicit TX-side safety boundary preserved
• whole-engine integration coverage is no longer diluted merely because ARIEC61850 grows; ARSVIN now gates exercised production lines plus the application-consumed protocol-core percentage

Validation at head 85e2c02f29a20447b23c297dbbc70a917cdee49e

Paired CI run 291 — passed

• licensing, provenance, public wording, and ownership validation
• exact pinned-engine checkout verification
• public site build and validation
• solution restore
• Publisher warnings-as-errors build
• Subscriber warnings-as-errors build
• 133/133 ARSVIN tests passed
• integration coverage passed:
  • 3,061 engine production lines exercised by ARSVIN
  • 2,316 of 3,057 selected protocol-core lines covered
  • protocol-core line coverage approximately 75.76%, above the 72.5% floor
• Publisher and Subscriber vulnerability reports passed

CodeQL run 296 — passed

The pinned paired solution restored, built with warnings as errors, and completed CodeQL analysis successfully.

Windows release validation run 207 — passed

• paired build and tests
• Publisher single-file EXE
• ArSubsv single-file EXE
• Windows installer
• CycloneDX SBOM
• release artifact validation
• silent install/uninstall smoke test
• SHA-256 checksum generation

The GitHub Release publication job was skipped because this is an unmerged PR, not a release tag.

Public site run 107 — passed

Documentation and product website validation passed; deployment was skipped for the PR.

Local test procedure

Expected layout:

C:\Git\
├── ARIEC61850\
└── arsvin\

git -C C:\Git\ARIEC61850 fetch origin fcc05de1f4b11560195e2589aa032e1d4c4b95f7
git -C C:\Git\ARIEC61850 checkout --detach fcc05de1f4b11560195e2589aa032e1d4c4b95f7

git -C C:\Git\arsvin switch agent/ariec-sibling-integration
cd C:\Git\arsvin
.\scripts\test-paired-engine.ps1

Remaining before merge

• local Publisher → PCAP → ArSubsv end-to-end test
• no-SCL generic raw fallback review
• matching-SCL ordered mapping review
• nofASDU=1 and multi-ASDU replay
• known-injection scaling/RMS/phasor comparison
• authorized isolated live capture/transmit test
• regenerate and lock the final NuGet dependency graph after both reviewed revisions are frozen
• delete the remaining inactive embedded-engine files in controlled migration tranches

This PR intentionally remains draft and unmerged for local validation.