audit work

src/Concelier/__Tests/StellaOps.Concelier.Merge.Tests/AGENTS.md

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+# Concelier Merge Tests Charter
+
+## Mission
+Validate merge behavior, precedence, identity, and determinism for the Concelier merge engine.
+
+## Responsibilities
+- Keep tests deterministic with fixed time/ID fixtures and stable ordering.
+- Cover merge precedence, identity resolution, hash calculation, and backport evidence flows.
+- Avoid network access; use in-memory or fixture-driven inputs only.
+- Track work on `TASKS.md` and update statuses (TODO/DOING/DONE/BLOCKED/REVIEW).
+
+## Key Paths
+- `StellaOps.Concelier.Merge.Tests.csproj`
+- `AdvisoryMergeServiceTests.cs`
+- `AdvisoryPrecedenceMergerTests.cs`
+- `AliasGraphResolverTests.cs`
+- `MergeEventWriterTests.cs`
+
+## Required Reading
+- `docs/modules/concelier/architecture.md`
+- `docs/modules/platform/architecture-overview.md`
+
+## Working Agreement
+- 1. Update task status to `DOING`/`DONE` in both corresponding sprint file `/docs/implplan/SPRINT_*.md` and the local `TASKS.md` when you start or finish work.
+- 2. Review this charter and the Required Reading documents before coding; confirm prerequisites are met.
+- 3. Keep changes deterministic (stable ordering, timestamps, hashes) and align with offline/air-gap expectations.
+- 4. Coordinate doc updates, tests, and cross-guild communication whenever contracts or workflows change.
+- 5. Revert to `TODO` if you pause the task without shipping changes; leave notes in commit/PR descriptions for context.