build fix

src/main.js

@@ -1050,6 +1050,17 @@ function setupEventListeners() {
     await appWindow.close();
   });
 
+  // Listen for cast device discovery events from backend
+  if (runningInTauri && window.__TAURI__ && window.__TAURI__.event) {
+    window.__TAURI__.event.listen('cast-device-discovered', (event) => {
+      console.log('Cast device discovered:', event.payload);
+      // If cast overlay is currently open, refresh the device list
+      if (!castOverlay.classList.contains('hidden')) {
+        refreshCastDeviceList();
+      }
+    });
+  }
+
   // Menu button - explicit functionality or placeholder?
   // Menu removed — header click opens stations via artwork placeholder
 
@@ -1353,6 +1364,10 @@ async function openCastOverlay() {
   castOverlay.setAttribute('aria-hidden', 'false');
   // ensure cast overlay shows linear list style
   deviceListEl.classList.remove('stations-grid');
+  await refreshCastDeviceList();
+}
+
+async function refreshCastDeviceList() {
   deviceListEl.innerHTML = '<li class="device"><div class="device-main">Scanning...</div><div class="device-sub">Searching for speakers</div></li>';
 
   try {