license switch agpl -> busl1, sprints work, new product advisories

src/__Libraries/StellaOps.Artifact.Infrastructure/AGENTS.md

@@ -0,0 +1,19 @@
+# StellaOps.Artifact.Infrastructure Local Agent Charter
+
+## Scope
+- Applies to `src/__Libraries/StellaOps.Artifact.Infrastructure/**`.
+- Focus on artifact persistence, migrations, and storage backends.
+
+## Required Reading (treat as read before edits)
+- `docs/operations/artifact-migration-runbook.md`
+- `docs/modules/platform/architecture-overview.md`
+- `docs/19_TEST_SUITE_OVERVIEW.md`
+
+## Working Agreements
+- Deterministic outputs (ordering, timestamps, hashing).
+- Offline-friendly; avoid runtime network calls.
+- Note cross-module impacts in the active sprint tracker.
+
+## Testing Expectations
+- Add or update unit tests under `src/__Libraries/__Tests`.
+- Run `dotnet test` for affected test projects when changes are made.