fix: huddles not launching reliably

Closes #160
Race condition preventing proper initialization.

js/src/main.ts

@@ -162,10 +162,7 @@ const createAutoplayWindow = () => {
 };
 
 const createHuddleWindow = () => {
-  if (huddleWindow) {
-    huddleWindow.focus();
-    return;
-  }
+  if (huddleWindow) return;
 
   huddleWindow = new BrowserWindow({
     width: 1024,
@@ -180,19 +177,28 @@ const createHuddleWindow = () => {
   });
   hardenWindow(huddleWindow);
 
-  if (HUDDLE_WINDOW_VITE_DEV_SERVER_URL) {
-    huddleWindow.loadURL(HUDDLE_WINDOW_VITE_DEV_SERVER_URL);
-  } else {
-    huddleWindow.loadFile(
-      path.join(__dirname, `../renderer/${HUDDLE_WINDOW_VITE_NAME}/index.html`),
-    );
-  }
-
   huddleWindow.on('closed', () => {
     huddleWindow = null;
   });
 };
 
+// Connection data is passed via URL hash so it's available synchronously on
+// renderer mount — avoids the IPC race where `huddle:connect` could be sent
+// before React attached its listener.
+const loadHuddleWindow = (data: { token: string; serverUrl: string }) => {
+  if (!huddleWindow) return;
+  const params = new URLSearchParams({ token: data.token, serverUrl: data.serverUrl });
+  const hash = params.toString();
+  if (HUDDLE_WINDOW_VITE_DEV_SERVER_URL) {
+    huddleWindow.loadURL(`${HUDDLE_WINDOW_VITE_DEV_SERVER_URL}#${hash}`);
+  } else {
+    huddleWindow.loadFile(
+      path.join(__dirname, `../renderer/${HUDDLE_WINDOW_VITE_NAME}/index.html`),
+      { hash },
+    );
+  }
+};
+
 function positionAutoplayWindow() {
   if (!autoplayWindow) return;
   const { width } = screen.getPrimaryDisplay().workAreaSize;
@@ -261,14 +267,8 @@ ipcMain.on('window:fullscreen', (event) => {
 // Secondary window IPC handlers
 ipcMain.on('window:open-huddle', (_event, data: { token: string; serverUrl: string }) => {
   createHuddleWindow();
-  // Send connection data once the huddle window is ready
-  huddleWindow?.webContents.once('did-finish-load', () => {
-    huddleWindow?.webContents.send('huddle:connect', data);
-  });
-  // If already loaded, send immediately
-  if (!huddleWindow?.webContents.isLoading()) {
-    huddleWindow?.webContents.send('huddle:connect', data);
-  }
+  loadHuddleWindow(data);
+  huddleWindow?.focus();
 });
 ipcMain.on('window:close-huddle', () => {
   huddleWindow?.close();