fix: next alarm time follows system 24-hour format setting

getNextAlarm hardcoded 'hh:mm a' (12-hour). Now uses
DateFormat.is24HourFormat to pick HH:mm vs hh:mm a.

app/src/main/java/com/github/droidworksstudio/launcher/helper/AppHelper.kt

@@ -264,7 +264,9 @@ class AppHelper @Inject constructor() {
         if (nextAlarmClock == null) return "No alarm is set."
 
         val alarmTime = nextAlarmClock.triggerTime
-        val formattedTime = SimpleDateFormat("EEE, MMM d hh:mm a", Locale.getDefault()).format(alarmTime)
+        val is24Hour = android.text.format.DateFormat.is24HourFormat(context)
+        val timePattern = if (is24Hour) "EEE, MMM d HH:mm" else "EEE, MMM d hh:mm a"
+        val formattedTime = SimpleDateFormat(timePattern, Locale.getDefault()).format(alarmTime)
 
         val drawable = AppCompatResources.getDrawable(context, R.drawable.ic_alarm_clock)
         val fontSize = TypedValue.applyDimension(