refactor: rename package to lostmyphone.app

Move off the reserved com.example placeholder namespace to the app's own
package identifier.

README.md

@@ -3,7 +3,7 @@
 An Android app that listens for SMS commands to trigger a loud ring — overriding
 "Do Not Disturb" (DND) — so you can find your phone.
 
-- **Package:** `com.example.lostmyphone`
+- **Package:** `lostmyphone.app`
 - **No Google Play Services.** Pure Android SDK.
 - **Languages:** Kotlin, Material Components (AndroidX).
 
@@ -132,7 +132,7 @@ settings instead.
 ## Architecture
 
 ```
-app/src/main/java/com/example/lostmyphone/
+app/src/main/java/lostmyphone/app/
 ├── MainActivity.kt   # UI: status, permission requests, DND-access launcher, manual test
 ├── SmsReceiver.kt    # BroadcastReceiver: parses SMS -> detects RING_NOW / PLAY_SONG
 └── RingService.kt    # ForegroundService: DND gate, volume override, focus + playback, 30s timer

app/build.gradle.kts

@@ -4,11 +4,11 @@ plugins {
 }
 
 android {
-    namespace = "com.example.lostmyphone"
+    namespace = "lostmyphone.app"
     compileSdk = 34
 
     defaultConfig {
-        applicationId = "com.example.lostmyphone"
+        applicationId = "lostmyphone.app"
         minSdk = 24
         targetSdk = 34
         versionCode = 1

app/src/main/AndroidManifest.xml

@@ -68,7 +68,7 @@
             android:exported="false"
             android:foregroundServiceType="mediaPlayback">
             <intent-filter>
-                <action android:name="com.example.lostmyphone.action.RING" />
+                <action android:name="lostmyphone.app.action.RING" />
             </intent-filter>
         </service>
 

app/src/main/java/lostmyphone/app/MainActivity.kt

@@ -1,4 +1,4 @@
-package com.example.lostmyphone
+package lostmyphone.app
 
 import android.Manifest
 import android.app.NotificationManager

app/src/main/java/lostmyphone/app/RingConfig.kt

@@ -1,4 +1,4 @@
-package com.example.lostmyphone
+package lostmyphone.app
 
 import android.content.Context
 import android.content.SharedPreferences

app/src/main/java/lostmyphone/app/RingService.kt

@@ -1,4 +1,4 @@
-package com.example.lostmyphone
+package lostmyphone.app
 
 import android.app.NotificationChannel
 import android.app.NotificationManager
@@ -42,8 +42,8 @@ class RingService : Service() {
     companion object {
         private const val TAG = "RingService"
 
-        const val ACTION_RING = "com.example.lostmyphone.action.RING"
-        const val ACTION_STOP = "com.example.lostmyphone.action.STOP"
+        const val ACTION_RING = "lostmyphone.app.action.RING"
+        const val ACTION_STOP = "lostmyphone.app.action.STOP"
         const val EXTRA_DND_GRANTED = "extra_dnd_granted"
 
         private const val CHANNEL_ID = "ring_channel"

app/src/main/java/lostmyphone/app/SettingsActivity.kt

@@ -1,4 +1,4 @@
-package com.example.lostmyphone
+package lostmyphone.app
 
 import android.content.Intent
 import android.database.Cursor

app/src/main/java/lostmyphone/app/SmsReceiver.kt

@@ -1,4 +1,4 @@
-package com.example.lostmyphone
+package lostmyphone.app
 
 import android.content.BroadcastReceiver
 import android.content.Context