DEVX-8: fix: expand DEFAULT_INFRASTRUCTURE to cover all common project files

tests/unit/test_classify_changes.py

@@ -178,6 +178,39 @@ class TestClassifierConfig:
         assert "tests/**" in DEFAULT_INFRASTRUCTURE
         assert "docs/**" in DEFAULT_INFRASTRUCTURE
 
+    def test_default_infrastructure_covers_common_project_files(self) -> None:
+        """DEFAULT_INFRASTRUCTURE must cover common project-level files
+        that are not part of the installed package.
+
+        This test prevents regression of the root cause of GRM-64
+        misclassification: 28 files (scripts/**, REVIEW_CHECKLIST.md)
+        were classified as user-facing because these patterns were
+        missing from the defaults.
+        """
+        # Project documentation
+        assert "AGENTS.md" in DEFAULT_INFRASTRUCTURE
+        assert "README.md" in DEFAULT_INFRASTRUCTURE
+        assert "CHANGELOG.md" in DEFAULT_INFRASTRUCTURE
+        assert "TROUBLESHOOTING.md" in DEFAULT_INFRASTRUCTURE
+        assert "CONTRIBUTING.md" in DEFAULT_INFRASTRUCTURE
+        assert "CODE_OF_CONDUCT.md" in DEFAULT_INFRASTRUCTURE
+        assert "REVIEW_CHECKLIST.md" in DEFAULT_INFRASTRUCTURE
+        # Build tooling
+        assert "Makefile" in DEFAULT_INFRASTRUCTURE
+        assert "cliff.toml" in DEFAULT_INFRASTRUCTURE
+        assert "uv.lock" in DEFAULT_INFRASTRUCTURE
+        # Lint config
+        assert ".pre-commit-config.yaml" in DEFAULT_INFRASTRUCTURE
+        assert ".ruff.toml" in DEFAULT_INFRASTRUCTURE
+        assert ".ansible-lint" in DEFAULT_INFRASTRUCTURE
+        assert ".checkmake.ini" in DEFAULT_INFRASTRUCTURE
+        assert ".editorconfig" in DEFAULT_INFRASTRUCTURE
+        # Git config
+        assert ".gitignore" in DEFAULT_INFRASTRUCTURE
+        assert ".gitattributes" in DEFAULT_INFRASTRUCTURE
+        # Agent config
+        assert ".devin/**" in DEFAULT_INFRASTRUCTURE
+
 
 # ---------------------------------------------------------------------------
 # ChangeClassifier tests