Refactor app navigation and enhance background handling in various views

- Added error handling for router navigation to prevent unhandled promise rejections.
- Improved background image management in Dashboard.vue to dynamically set images based on route.
- Introduced timers for managing loading states and cleanup on component unmount in Apps.vue, Marketplace.vue, and other views.
- Updated app detail navigation to ensure smoother transitions and error handling.
- Enhanced clipboard copy functionality in Settings.vue with improved user feedback.

neode-ui/src/views/Settings.vue

@@ -284,24 +284,26 @@ async function handleChangePassword() {
   }
 }
 
+let copiedTimer: ReturnType<typeof setTimeout> | null = null
+
 async function copyOnionAddress() {
   const addr = serverTorAddress.value
   if (!addr) return
   try {
     await navigator.clipboard.writeText(addr)
-    copiedOnion.value = true
-    setTimeout(() => { copiedOnion.value = false }, 2000)
   } catch {
-    // Fallback for older browsers
     const ta = document.createElement('textarea')
     ta.value = addr
+    ta.style.position = 'fixed'
+    ta.style.opacity = '0'
     document.body.appendChild(ta)
     ta.select()
     document.execCommand('copy')
     document.body.removeChild(ta)
-    copiedOnion.value = true
-    setTimeout(() => { copiedOnion.value = false }, 2000)
   }
+  copiedOnion.value = true
+  if (copiedTimer) clearTimeout(copiedTimer)
+  copiedTimer = setTimeout(() => { copiedOnion.value = false }, 2000)
 }
 
 function closeChangePasswordModal() {
@@ -324,7 +326,7 @@ onMounted(async () => {
 })
 
 async function handleLogout() {
-  await store.logout()
-  router.push('/login')
+  try { await store.logout() } catch { /* proceed */ }
+  router.push('/login').catch(() => { window.location.href = '/login' })
 }
 </script>