Force PWA updates before push registration

src/main.js

@@ -6,8 +6,17 @@ createApp(App).mount('#app')
 
 if ('serviceWorker' in navigator) {
   window.addEventListener('load', () => {
-    navigator.serviceWorker.register('/sw.js').catch((error) => {
+    navigator.serviceWorker.register('/sw.js', { updateViaCache: 'none' }).then((registration) => {
+      registration.update().catch(() => {})
+    }).catch((error) => {
       console.warn('Service worker registration failed:', error)
     })
   })
+
+  let refreshing = false
+  navigator.serviceWorker.addEventListener('controllerchange', () => {
+    if (refreshing) return
+    refreshing = true
+    window.location.reload()
+  })
 }