Version-control the planning docs alongside the code they describe:
- grpc-transport.md — 2023 R2 gRPC transport analysis (sanitized source path)
- hcal-capability-matrix.md — HistorianAccess surface x gRPC ops x histsdk status x feasibility tiers
- hcal-roadmap.md — ordered build plan M0-M4 + cross-cutting workstreams
- histevents.md — how a HistorianEvent reaches the DB (client->wire->server)
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Joseph Doherty