feat: activity logs, gallery storage filter, and upload rate limits

Add per-user activity logs with storage backend tracking, gallery
storage filter, and IP/token upload rate limiting. Fix storage delete
modal flash, pin local backend in filter order, and link settings
version to GitHub releases.

app/components/AppShell.vue

@@ -23,6 +23,11 @@ const navItems = computed(() => {
 })
 
 const accountMenuItems = computed<DropdownMenuItem[]>(() => [
+  {
+    label: t('nav.logs'),
+    icon: 'i-lucide-scroll-text',
+    to: '/logs'
+  },
   {
     label: t('nav.changePassword'),
     icon: 'i-lucide-key-round',