feat: add plugin to unregister existing service workers on client

plugins/02.unregister-sw.client.ts

@@ -0,0 +1,19 @@
+// Plugin to unregister any existing service workers
+export default defineNuxtPlugin(async () => {
+  if (process.client && 'serviceWorker' in navigator) {
+    try {
+      const registrations = await navigator.serviceWorker.getRegistrations();
+      
+      for (const registration of registrations) {
+        console.log('🧹 Unregistering service worker:', registration.scope);
+        await registration.unregister();
+      }
+      
+      if (registrations.length > 0) {
+        console.log('✅ All service workers unregistered');
+      }
+    } catch (error) {
+      console.error('❌ Error unregistering service workers:', error);
+    }
+  }
+});