P0-P2 #144: evidence-driven RCB interoperability and canonical static convergence

[masarray]

Implements the first coordinated slices of #144 on top of current physical baseline main e5deed1d8aa11d97991695c6e390baafea7ab797.

Authority / teamwork boundary

This branch is intentionally additive to the current physical baseline and coordinated with parallel work:

• current main/PR fix(scl): negotiate incomplete association addressing without discovery fallback #143 remains the physical authority for bounded SCL-assisted association interoperability;
• PR fix(reporting): expose source-neutral configured static activation #137's source-neutral configured-static activation concept is carried forward here on current main; fix(reporting): expose source-neutral configured static activation #137 itself is left untouched;
• PR discovery: preserve exact primary type semantics in live SCL #138 keeps ownership of discovery/SCL primary-type semantic refinement and export work; this PR only consumes the same exact-TypeSpecification authority principle for mutation safety;
• ARSAS PR #425 and PR #445 remain separate consumer/packaging workstreams and are not modified here.

No vendor-name branching is introduced.

Implemented

P0 — type-safe RCB mutation

• central MmsReportControlSemanticWrite boundary;
• RptEna, Resv, GI -> MMS BOOLEAN;
• ResvTms -> MMS INTEGER with signed INT16 representation;
• static-SCL, persistent monitor, live-session and cleanup paths migrated away from raw scalar choices;
• wire regression locks ResvTms=60 to MMS integer tag [5] / 0x85, never unsigned [6] / 0x86.

P1 — bounded live type evidence

• exact GetVariableAccessAttributes preflight on the mutation surface;
• exact live type contradictions block before mutation;
• unavailable type evidence remains missing evidence, not a false negative;
• exact type evidence is cached only for the current MMS association and reset on re-association;
• no blind alternate-type retry.

P2 — structured interoperability evidence

• structured DataAccessError classification and recovery hints;
• type recovery is driven by structured failure kind, not message parsing;
• missing evidence is separated from positive blocker evidence.

P-1 canonical convergence foundation

• source-neutral StartConfiguredStaticReportMonitorAsync; legacy SCL entry point delegates to it;
• fresh static hybrid plans route through the same configured-static lifecycle:
  receiver registration -> direct RptEna -> bounded BRCB ResvTms fallback -> readback -> optional GI;
• pure CanonicalIedModel static-report coverage resolver shared by Discovery/Open-SCL ingress;
• full ordered DataSet membership is retained even when only a subset of signals is selected;
• bounded configured-reference normalization converges SCL $ syntax with live dotted syntax without globally rewriting canonical identity;
• real Discovery-builder vs SCL-importer regression proves equivalent static DataSet/RCB coverage.

Interoperability-safe reduced static eligibility

• explicit policy distinguishes exact/explicit free state, caller-owned state, genuinely missing reservation evidence, malformed evidence and positive busy evidence;
• new AllowConfiguredStaticWithMissingReservationEvidence option is false by default;
• when explicitly enabled, only configured static RCBs with verified populated DataSet + RptEna=false + no positive busy evidence can use the reduced path;
• malformed reservation values and foreign Owner remain blockers;
• dynamic DataSet mutation remains under the existing exact-free requirements.

Preserved behavior

• dynamic report safety/quarantine is not loosened;
• no polling fallback is interpreted as signal absence;
• no positional report projection without ordered DataSet authority;
• no ARSAS-side IEC semantic workaround is added;
• existing exact-evidence production defaults remain unchanged unless the new reduced-static option is explicitly enabled.

Current software gate

Exact base-lane head: 302f7882cb3a52c1ec9604026717fc42496041b7.

.NET CI #737: PASS

• source/provenance/wording/license verification;
• restore;
• Release build;
• complete test suite;
• package test build;
• diagnostics/artifact upload.

Earlier checkpoints #718, #721 and #731 passed. A later parallel canonical-ingress edit introduced text corruption in CanonicalLiveModelAdapter.cs; CI #736 caught it at compile time. The malformed generated block was repaired without reverting the intended configured-reference canonicalization, and exact-head CI #737 then passed. P3 readback-proof work continues separately in stacked Draft PR #146 to avoid racing this base lane.

Remaining before production promotion

1. Keep this PR draft while the next convergence/consumer slices are reviewed.
2. Repin ARSAS only through a coordinated #446 consumer branch; do not fork active PR #425/#445 work.
3. Physical regression must prove BRCB reservation/enable/GI/report traffic on the affected IED class.
4. Discovery and Open-SCL must produce equivalent canonical static acquisition decisions for the same physical IED.
5. No merge/release/production repin merely from CI green; physical interoperability evidence remains the final authority.