stabilize tests

docs/operations/devops/implementation_plan.md

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+# DevOps Implementation Plan
+
+## Purpose
+Provide a living plan for DevOps workflows, release tooling, and operational runbooks.
+
+## Active work
+- Track current sprints under `docs/implplan/SPRINT_*.md` for DevOps scope.
+- Update this file when new DevOps deliverables are approved.
+
+## Near-term deliverables
+- TBD (add when sprint is staffed).
+
+## Dependencies
+- `docs/operations/devops/README.md`
+- `docs/operations/devops/architecture.md`
+- `docs/modules/platform/architecture-overview.md`
+
+## Evidence of completion
+- Changes under `devops/**` and `.gitea/**` where applicable.
+- Updated runbooks and migration notes under `docs/operations/devops/**`.
+- Tests or validation scripts added for deterministic/offline workflows.
+
+## Notes
+- Keep determinism, offline-first posture, and audit logging aligned with AGENTS.