diff --git a/vitest.config.js b/vitest.config.js
new file mode 100644
index 0000000..af0ca25
--- /dev/null
+++ b/vitest.config.js
@@ -0,0 +1,14 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    globals: true,
+    environment: 'node',
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'json', 'html']
+    },
+    include: ['test/**/*.js'],
+    exclude: ['test/z_close.js'] // Likely a cleanup test
+  }
+});
\ No newline at end of file