fix: keep Alta bearer out of proxy command lines

renderer.js

@@ -7,6 +7,7 @@ const statusIndicator = document.getElementById('statusIndicator');
 const deviceSearch = document.getElementById('deviceSearch');
 const disconnectBtn = document.getElementById('disconnectBtn');
 const selectedDeviceId = document.getElementById('selectedDeviceId');
+const altaUsername = document.getElementById('altaUsername');
 const startProxyBtn = document.getElementById('startProxyBtn');
 const stopProxyBtn = document.getElementById('stopProxyBtn');
 const checkUpdateBtn = document.getElementById('checkUpdateBtn');
@@ -54,7 +55,8 @@ function renderConnectionState(state) {
 function updateProxyButtons() {
   const id = selectedDevice && (selectedDevice.guid || selectedDevice.id);
   const active = id ? activeDeviceIds().has(id.toLowerCase()) : false;
-  startProxyBtn.disabled = !connection.connected || !id || active;
+  const hasUsername = altaUsername.value.trim().length > 0;
+  startProxyBtn.disabled = !connection.connected || !id || !hasUsername || active;
   stopProxyBtn.disabled = !id || !active;
 }
 
@@ -204,14 +206,21 @@ async function loadDevices() {
   }
 }
 
+const rendererController = window.AptRendererController.createRendererController({
+  disconnect: () => window.electronAPI.disconnect(),
+  renderConnectionState,
+  clearDisconnectedState: () => {
+    allDevices = [];
+    allSites = {};
+    collapsedSites.clear();
+    altaUsername.value = '';
+    clearDeviceList();
+  },
+  showConnectionStatus: (message, type) => showStatus(connectionStatus, message, type),
+});
+
 async function handleDisconnect() {
-  const state = await window.electronAPI.disconnect();
-  renderConnectionState(state);
-  allDevices = [];
-  allSites = {};
-  collapsedSites.clear();
-  clearDeviceList();
-  showStatus(connectionStatus, 'Disconnected from Alta.', 'info');
+  await rendererController.disconnect();
 }
 
 async function handleStartProxy() {
@@ -219,7 +228,7 @@ async function handleStartProxy() {
   if (!id) return;
   startProxyBtn.disabled = true;
   showStatus(connectionStatus, `Starting proxy for ${selectedDevice.name || 'selected device'}...`, 'info');
-  const result = await window.electronAPI.launchProxy(id);
+  const result = await window.electronAPI.launchProxy(id, altaUsername.value);
   if (result.success) {
     connection = await window.electronAPI.getConnectionState();
     renderConnectionState(connection);
@@ -284,8 +293,10 @@ async function initialize() {
   renderPairingStatus(await window.electronAPI.getPairingStatus());
   if (connection.connected) await loadDevices();
   window.electronAPI.onConnectionStateChanged(async (state) => {
+    const wasConnected = connection.connected;
+    const previousOrigin = connection.origin;
     renderConnectionState(state);
-    if (state.connected) {
+    if (state.connected && (!wasConnected || state.origin !== previousOrigin)) {
       allDevices = [];
       allSites = {};
       clearDeviceList();
@@ -300,6 +311,7 @@ disconnectBtn.addEventListener('click', handleDisconnect);
 startProxyBtn.addEventListener('click', handleStartProxy);
 stopProxyBtn.addEventListener('click', handleStopProxy);
 deviceSearch.addEventListener('input', filterDevices);
+altaUsername.addEventListener('input', updateProxyButtons);
 checkUpdateBtn.addEventListener('click', () => checkForUpdates(true));
 openReleasesBtn.addEventListener('click', () => window.electronAPI.openFixedReleasesPage());
 dismissUpdateBtn.addEventListener('click', () => { updateNotice.style.display = 'none'; });