revision-write-path.md §"R3.1 CAPTURED" + roadmap R3.1/R3.2/one-glance now record the validated
finding: the historical write is HistoryService.AddStreamValues ("ON" storage-sample buffer, AddS2
"OS" family) + EnsureTags, not AddNonStreamValues/TransactionService. Includes the decoded 56-byte
"ON" buffer layout, the working priming/batch sequence, the tag-GUID keying, and that the D2 cache
gate does not block the primed 2023 R2 client. Remaining work to ship AddHistoricalValuesAsync is
the managed "ON" serializer (adapt HistorianEventWriteProtocol) + gRPC orchestrator wiring.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01B6mcaT2PjRFKcogzp9UkfC
Joseph Doherty
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