refactor: circular deps part 9

packages/core/utils/utils-shared.ts

@@ -0,0 +1,12 @@
+// Shared helpers and types for utils, used by both native-helper and common.
+// Only put platform-agnostic logic here.
+
+export function getFileExtension(path: string): string {
+	if (!path) {
+		return '';
+	}
+	const index = path.lastIndexOf('.');
+	return index !== -1 ? path.substring(index + 1) : '';
+}
+
+// Add more shared helpers/types/constants as needed.