Implement icon for niri screenshots

- Fixed debug icon warning logic
- Add linux os environment script

verify-notifications.sh

@@ -3,7 +3,7 @@
 echo "Waiting for notification service to be ready..."
 
 # Wait for the notification service to be available
-max_attempts=20
+max_attempts=8
 attempt=0
 
 while [ $attempt -lt $max_attempts ]; do
@@ -43,11 +43,3 @@ notify-send -a "code" "VS Code 2" "Code notification 2"
 echo ""
 echo "✅ All notifications sent successfully!"
 echo ""
-echo "🧪 Test Results Expected:"
-echo "1. ✅ Button container stays within bounds on collapse"
-echo "2. ✅ Count badges show as small circles (not parentheses)"
-echo "3. ✅ App icons show with themed backgrounds (not black)"
-echo "4. ✅ First letter fallbacks when icons don't load"
-echo "5. ✅ Expand/collapse works in both popup and history"
-echo ""
-echo "Check your notification popup and history panel!"