close to final version added the subtaskand comment working section

server/app_spin.js

@@ -0,0 +1,16 @@
+
+async function handleRequest(req, res) {
+    console.log("Handle called");
+    return {
+        status: 200,
+        headers: { 'content-type': 'text/plain' },
+        body: 'Hello from Spin Wasm (Corrected Export)!'
+    };
+}
+
+export const incomingHandler = {
+    handle: handleRequest
+};
+
+// Keep default just in case, but incomingHandler is key
+export default handleRequest;