Establish governance docs as canonical repo context

docs/00-governance/current_status.md

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+# Current Status
+
+## Snapshot (2026-04-05)
+- Program phase: Sprint 2 SIM validation with production-hardening follow-through.
+- Core implementation: complete across major layers with 240+ passing tests.
+- Live focus: execution safety, validation depth, and operational reliability.
+
+## Confirmed Working Areas
+- End-to-end strategy pipeline from signal -> risk -> sizing -> NT8 managed execution.
+- Session handling, portfolio risk controls, and base strategy orchestration.
+- Existing analytics/risk/sizing/OMS foundations remain stable.
+
+## Open Findings Driving Work
+- Runner leg behavior requires explicit validation evidence (`Qty=2` path confirmation).
+- Risk/config consistency checks need tightening in runtime safeguards.
+- Operational controls (CI automation, alerting, and out-of-sample validation) remain pending.
+
+## Operational Reality
+- `dotnet build` success is necessary but not sufficient; NT8 NinjaScript compile remains a separate required validation step.
+- Deployment integrity requires keeping repo and NT8 runtime strategy copies synchronized.