Add SessionStatusButton to navbar

- Add AuthSessionStatusButton to dashboard layout navbar
- Redesign button as compact icon button for navbar integration
- Button checks session status against Authentik in real-time
- Styled to match navbar aesthetic with hover effects

nuxt4-app/app/components/auth/SessionStatusButton.vue

@@ -1,14 +1,17 @@
 <template>
   <UButton
-    color="info"
+    color="neutral"
-    size="lg"
+    variant="ghost"
-    variant="soft"
+    square
     @click="handleClick"
+    :ui="{
+      rounded: 'rounded-full',
+      padding: { sm: 'p-1.5' }
+    }"
+    class="relative hover:bg-gray-100/80 dark:hover:bg-gray-800/80 transition-all duration-300"
+    title="Verificar estado de sesión"
   >
-    <template #leading>
+    <UIcon name="i-heroicons-information-circle" class="size-5" />
-      <UIcon name="i-heroicons-information-circle" />
-    </template>
-    Estado de Sesión
   </UButton>
 </template>
 

nuxt4-app/app/layouts/dashboard.vue

@@ -16,6 +16,7 @@
             <template #trailing>
               <UBadge variant="subtle" label="Supabase" class="uppercase tracking-wide" />
               <UBadge variant="subtle" label="Solo lectura" class="uppercase tracking-wide" />
+              <AuthSessionStatusButton />
               <UserMenu />
             </template>
           </UDashboardNavbar>