feature/IO-3181-Test-Framework-Selection - Skeletons complete

vitest.config.js

@@ -0,0 +1,10 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    environment: "node",
+    globals: true,
+    include: ["./server/tests/**/*.{test,spec}.[jt]s"], // Only search /tests in root
+    exclude: ["**/client/**", "**/node_modules/**", "**/dist/**"] // Explicitly exclude /client
+  }
+});