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.

server/routes/voice-transcript.ts

@@ -0,0 +1,105 @@
+import { jsonResponse } from '../utils/cors'
+import { PORT_TERMINAL } from '../config'
+
+export async function handleVoiceTranscript(req: Request): Promise<Response | null> {
+  if (req.method !== 'POST') return null
+
+  try {
+    const body = await req.json() as { text?: string; timestamp?: string; source?: string }
+    const { text, timestamp, source } = body
+
+    if (!text) {
+      return jsonResponse({ error: 'Missing "text" field' }, 400)
+    }
+
+    const ts = timestamp || new Date().toISOString()
+    const src = source || 'android-voice'
+
+    console.log(`\n🎙️  [VOICE TRANSCRIPT] ────────────────────────`)
+    console.log(`   Source:    ${src}`)
+    console.log(`   Time:      ${ts}`)
+    console.log(`   Text:      "${text}"`)
+
+    // Find first alive terminal and send the text as input
+    const result = await sendToFirstTerminal(text)
+
+    console.log(`   Terminal:  ${result.terminal || 'none found'}`)
+    console.log(`   Status:    ${result.sent ? 'sent ✓' : result.error || 'no terminal'}`)
+    console.log(`   ──────────────────────────────────────────────\n`)
+
+    return jsonResponse({
+      ok: true,
+      received: text,
+      timestamp: ts,
+      source: src,
+      sentToTerminal: result.sent,
+      terminal: result.terminal || null,
+      ephemeralSessionId: result.ephemeralSessionId || null
+    })
+  } catch (e: any) {
+    console.error('[voice-transcript] Parse error:', e.message)
+    return jsonResponse({ error: 'Invalid JSON body' }, 400)
+  }
+}
+
+async function sendToFirstTerminal(text: string): Promise<{ sent: boolean; terminal?: string; ephemeralSessionId?: string; error?: string }> {
+  try {
+    // Fetch terminal registry to find alive terminals
+    const res = await fetch(`http://localhost:${PORT_TERMINAL}/terminal-registry`)
+    if (!res.ok) {
+      return { sent: false, error: `registry fetch failed: ${res.status}` }
+    }
+
+    const registry = await res.json() as Array<{
+      ephemeralSessionId: string
+      agent: string
+      label: string
+      alive: boolean
+    }>
+
+    // Find first alive terminal
+    const target = registry.find(t => t.alive)
+    if (!target) {
+      return { sent: false, error: 'no alive terminals' }
+    }
+
+    // Connect via WebSocket and send the text as input
+    const wsUrl = `ws://localhost:${PORT_TERMINAL}/ws/terminal?session=${target.ephemeralSessionId}`
+
+    return new Promise((resolve) => {
+      const ws = new WebSocket(wsUrl)
+      const timeout = setTimeout(() => {
+        try { ws.close() } catch {}
+        resolve({ sent: false, terminal: target.ephemeralSessionId, error: 'ws timeout' })
+      }, 5000)
+
+      ws.onopen = () => {
+        // Send the transcribed text
+        ws.send(JSON.stringify({ type: 'input', data: text }))
+
+        // Send Enter after a short delay
+        setTimeout(() => {
+          ws.send(JSON.stringify({ type: 'input', data: '\r' }))
+
+          // Close after sending
+          setTimeout(() => {
+            clearTimeout(timeout)
+            ws.close()
+            resolve({
+              sent: true,
+              terminal: `${target.ephemeralSessionId} (${target.agent})`,
+              ephemeralSessionId: target.ephemeralSessionId
+            })
+          }, 150)
+        }, 80)
+      }
+
+      ws.onerror = (err) => {
+        clearTimeout(timeout)
+        resolve({ sent: false, terminal: target.ephemeralSessionId, error: 'ws connection error' })
+      }
+    })
+  } catch (e: any) {
+    return { sent: false, error: e.message }
+  }
+}