feat: url cleaner tool and extension update

extension/offscreen.js

@@ -42,12 +42,24 @@ setInterval(async () => {
   }
 }, 50);
 
-// Listen for messages from background if we need to change behavior
+// Listen for messages from background
 chrome.runtime.onMessage.addListener((message) => {
   if (message.target === 'offscreen') {
     // Handle commands
     if (message.type === 'play-sound') {
       playNotificationSound();
+    } else if (message.type === 'write-clipboard') {
+      try {
+        const text = message.data;
+        if (text) {
+          textEl.value = text;
+          textEl.select();
+          document.execCommand('copy');
+          lastText = text; // Update internal state to avoid re-triggering update
+        }
+      } catch (e) {
+        console.error('Failed to write clipboard:', e);
+      }
     }
   }
 });