feat: initial project scaffold

- Android Auto CarAppService, Session, Screen
- Voice pipeline: STT (SpeechManager), TTS (TTSManager), VoiceStateMachine
- Matrix REST client (login, send, sync) - no E2EE, raw API
- FCM push receiver with response dedup
- Network monitor + offline message queue
- Phone setup activity stub
- Full architecture spec in docs/ARCHITECTURE.md

app/src/main/AndroidManifest.xml

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="farm.hobbs.clippyauto">
+
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_CONNECTED_DEVICE" />
+
+    <application
+        android:name=".ClippyAutoApp"
+        android:allowBackup="true"
+        android:icon="@drawable/ic_clippy"
+        android:label="ClippyAuto"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.ClippyAuto">
+
+        <!-- Android Auto CarAppService -->
+        <service
+            android:name=".auto.ClippyCarAppService"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="androidx.car.app.CarAppService" />
+            </intent-filter>
+        </service>
+
+        <meta-data
+            android:name="com.google.android.gms.car.application"
+            android:resource="@xml/automotive_app_desc" />
+
+        <!-- FCM Service -->
+        <service
+            android:name=".push.ClippyFCMService"
+            android:exported="false">
+            <intent-filter>
+                <action android:name="com.google.firebase.MESSAGING_EVENT" />
+            </intent-filter>
+        </service>
+
+        <!-- Phone UI -->
+        <activity
+            android:name=".ui.SetupActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>