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src/__Libraries/StellaOps.Interop/AGENTS.md

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+# Interop Library Agent Charter
+
+## Mission
+- Provide consistent tool discovery and execution for offline-safe interop workflows.
+
+## Responsibilities
+- Keep process execution deterministic and cancellable.
+- Avoid environment-specific assumptions; prefer explicit tool paths.
+- Maintain cross-platform tool resolution behavior.
+
+## Required Reading
+- docs/07_HIGH_LEVEL_ARCHITECTURE.md
+- docs/modules/platform/architecture-overview.md
+
+## Working Directory & Scope
+- Primary: src/__Libraries/StellaOps.Interop
+- Allowed shared projects: src/__Tests/interop/StellaOps.Interop.Tests
+
+## Testing Expectations
+- Add unit tests for path resolution and process execution outcomes.
+- Avoid reliance on external network or installed tools in unit tests; use stubs.
+
+## Working Agreement
+- Update sprint status in docs/implplan/SPRINT_*.md and local TASKS.md.
+- Keep outputs deterministic and avoid non-ASCII logs.