feat: Samsung lock screen face widget, voice assistant services, PiP mode and gitignore installers

Add Samsung proprietary Face Widget (lock screen/AOD) with terminal status display.
Add voice interaction services (AgentVoiceInteractionService, RecognitionService) for
digital assistant registration. Add PiP mode with voice/expand actions. Add session-state
proxy, voice transcript routes, window controls component. Ignore installers/ directory.

frontend/src/App.vue

@@ -11,6 +11,7 @@ import TerminalFabStack from './components/transcript-debug/TerminalFabStack.vue
 import PwaInstallBanner from './components/PwaInstallBanner.vue'
 import HooksApprovalModal from './components/HooksApprovalModal.vue'
 import ServerConfigDialog from './components/ServerConfigDialog.vue'
+import WindowControls from './components/WindowControls.vue'
 import { useGlobalApproval } from './composables/useGlobalApproval'
 import { initWebMCP, getWebMCP } from './services/webmcp'
 import { initTorch, destroyTorch } from './services/torch'
@@ -20,7 +21,7 @@ import { setResponseControls } from './services/tools/handlers/responseHandlers'
 import { useCanvasStore } from './stores/canvas'
 import { useProjectCanvasStore } from './stores/projectCanvas'
 import { useSessionState } from './stores/session-state'
-import { isTauri } from './lib/tauri'
+import { isTauri, isMobileTauri, getTauriNotification } from './lib/tauri'
 import { useServerConfig } from './stores/server-config'
 
 const route = useRoute()
@@ -35,7 +36,7 @@ const showVoice = ref(false)
 const showTranscriptDebug = ref(false)
 const showDebugConsole = ref(false)
 const toolbarVisible = ref(true)
-const forceWco = ref(false)
+const forceWco = ref(isTauri && !isMobileTauri())
 const debugLogs = ref<Array<{ type: string; message: string; time: string }>>([])
 
 // Intercept console.log for debug panel
@@ -222,6 +223,31 @@ function syncThemeColor() {
 }
 
 onMounted(async () => {
+  // Bridge for Android widget navigation (called from MainActivity via evaluateJavascript)
+  ;(window as any).__WIDGET_NAVIGATE__ = (route: string) => {
+    router.push(route)
+    return true
+  }
+
+  // Bridge for Android voice assistant — opens FloatingTranscriptDebug on the target terminal
+  ;(window as any).__VOICE_OPEN_TERMINAL__ = (ephemeralSessionId: string) => {
+    const entry = sessionState.terminalRegistry.find(
+      t => t.ephemeralSessionId === ephemeralSessionId
+    )
+    if (entry && transcriptDebugRef.value) {
+      transcriptDebugRef.value.switchToTerminal(entry.transcriptSessionId)
+      showTranscriptDebug.value = true
+      return true
+    }
+    // Fallback: open on first terminal
+    if (sessionState.terminalRegistry.length && transcriptDebugRef.value) {
+      transcriptDebugRef.value.switchToTerminal(sessionState.terminalRegistry[0].transcriptSessionId)
+      showTranscriptDebug.value = true
+      return true
+    }
+    return false
+  }
+
   // Sync Windows titlebar color with CSS variable
   syncThemeColor()
 
@@ -287,6 +313,34 @@ onMounted(async () => {
   await torchReady
 })
 
+async function sendTestNotification() {
+  const title = 'Agent UI'
+  const body = 'Test notification from Agent UI — all platforms!'
+
+  if (isTauri) {
+    try {
+      const { isPermissionGranted, requestPermission, sendNotification } = await getTauriNotification()
+      let granted = await isPermissionGranted()
+      if (!granted) {
+        const perm = await requestPermission()
+        granted = perm === 'granted'
+      }
+      if (granted) {
+        sendNotification({ title, body })
+      }
+    } catch (e) {
+      console.warn('[Notification] Tauri plugin failed:', e)
+    }
+  } else if ('Notification' in window) {
+    if (Notification.permission === 'granted') {
+      new Notification(title, { body })
+    } else if (Notification.permission !== 'denied') {
+      const perm = await Notification.requestPermission()
+      if (perm === 'granted') new Notification(title, { body })
+    }
+  }
+}
+
 onUnmounted(() => {
   document.removeEventListener('mousemove', trackMouse)
   document.removeEventListener('keydown', handleGlobalKeydown)
@@ -367,6 +421,12 @@ if (serverConfig) {
           </svg>
           <span v-if="totalPending > 0" class="approval-count">{{ totalPending }}</span>
         </button>
+        <button class="refresh-btn" @click="sendTestNotification" title="Test notification">
+          <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+            <path d="M18 8A6 6 0 0 0 6 8c0 7-3 9-3 9h18s-3-2-3-9"/>
+            <path d="M13.73 21a2 2 0 0 1-3.46 0"/>
+          </svg>
+        </button>
         <button class="refresh-btn" @click="hardRefresh" title="Hard refresh (Ctrl+F5)">
           <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
             <path d="M21 12a9 9 0 1 1-9-9c2.52 0 4.93 1 6.74 2.74L21 8"/>
@@ -375,6 +435,7 @@ if (serverConfig) {
         </button>
         <span class="wco-dot" :class="{ on: forceWco }" @click="forceWco = !forceWco"></span>
         <TorchButton />
+        <WindowControls />
       </div>
     </header>
     <main class="app-main">
@@ -503,9 +564,9 @@ if (serverConfig) {
   align-items: center;
   justify-content: space-between;
   padding: 0.5rem 1rem;
-  padding-top: calc(0.5rem + env(safe-area-inset-top, 0px));
-  padding-left: calc(1rem + env(safe-area-inset-left, 0px));
-  padding-right: calc(1rem + env(safe-area-inset-right, 0px));
+  padding-top: calc(0.5rem + var(--sat, env(safe-area-inset-top, 0px)));
+  padding-left: calc(1rem + var(--sal, env(safe-area-inset-left, 0px)));
+  padding-right: calc(1rem + var(--sar, env(safe-area-inset-right, 0px)));
   background: var(--bg-primary);
   border-bottom: 1px solid var(--border-color);
   flex-shrink: 0;
@@ -537,6 +598,7 @@ if (serverConfig) {
   min-height: 32px;
   max-height: 32px;
   padding: 0 0.5rem;
+  padding-right: 0;
   border-bottom: none;
   overflow: visible;
 }