Refactor API under /auth/api

frontend/src/components/DeviceLinkView.vue

@@ -46,7 +46,7 @@ const copyLink = async (event) => {
 
 onMounted(async () => {
   try {
-    const response = await fetch('/auth/create-link', { method: 'POST' })
+  const response = await fetch('/auth/api/create-link', { method: 'POST' })
     const result = await response.json()
     if (result.detail) throw new Error(result.detail)
 

frontend/src/components/ProfileView.vue

@@ -9,7 +9,7 @@
         :created-at="authStore.userInfo.user.created_at"
         :last-seen="authStore.userInfo.user.last_seen"
         :loading="authStore.isLoading"
-        update-endpoint="/auth/user/display-name"
+  update-endpoint="/auth/api/user/display-name"
         @saved="authStore.loadUserInfo()"
       />