Android: reconnect the now-playing listener when the system drops it

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

apps/mobile/modules/now-playing-reader/android/src/main/java/tech/chrisedwards/musicshare/nowplaying/NowPlayingReaderModule.kt

@@ -4,6 +4,7 @@ import android.content.ComponentName
 import android.content.Intent
 import android.os.Build
 import android.provider.Settings
+import android.service.notification.NotificationListenerService
 import androidx.core.app.NotificationManagerCompat
 import expo.modules.kotlin.exception.Exceptions
 import expo.modules.kotlin.modules.Module
@@ -60,7 +61,14 @@ class NowPlayingReaderModule : Module() {
       prefs.deviceToken = deviceToken
       prefs.allowedPackages = allowedPackages.toSet()
       if (tokenChanged) prefs.unauthorized = false
-      MediaListenerService.instance?.refresh()
+      val listener = MediaListenerService.instance
+      if (listener != null) {
+        listener.refresh()
+      } else {
+        // Android often doesn't reconnect the listener after an app update or after killing it
+        // in the background; access stays granted but nothing is reported. Ask for it back.
+        NotificationListenerService.requestRebind(ComponentName(context, MediaListenerService::class.java))
+      }
     }
 
     /** Re-send what's playing now (after resuming sharing). */