Refactor frontend components and enhance API integration

- Updated frontend-nuxt.mdc to specify usage of composables for API calls.
- Added new AuthCard and ConfirmModal components for improved UI consistency.
- Introduced UserAvatar component for user profile display, replacing previous Gravatar implementation.
- Implemented useFormSubmit composable for handling form submissions with loading and error states.
- Enhanced vitest.config.ts to include coverage reporting for composables and components.
- Removed deprecated useAdminApi and useAuth composables to streamline API interactions.
- Updated login and setup pages to utilize new components and composables for better user experience.

frontend-nuxt/pages/admin/maps/[id].vue

@@ -37,13 +37,15 @@
 </template>
 
 <script setup lang="ts">
+import type { MapInfoAdmin } from '~/types/api'
+
 definePageMeta({ middleware: 'admin' })
 
 const route = useRoute()
 const router = useRouter()
 const api = useMapApi()
 const id = computed(() => parseInt(route.params.id as string, 10))
-const map = ref<{ ID: number; Name: string; Hidden: boolean; Priority: boolean } | null>(null)
+const map = ref<MapInfoAdmin | null>(null)
 const mapsLoaded = ref(false)
 const form = ref({ name: '', hidden: false, priority: false })
 const loading = ref(false)