Add thai support in summary

frontend/src/components/BookCard.vue

@@ -48,7 +48,7 @@
         Read
       </router-link>
       <button
-        v-if="book.status === 'READY'"
+        v-if="book.status === 'READY' && uploadEnabled"
         class="btn btn-secondary"
         :disabled="enrichRunning"
         @click="handleEnrich"
@@ -73,6 +73,7 @@
 import { computed, onUnmounted, ref } from 'vue'
 import type { Book, EnrichmentProgress } from '@/stores/bookStore'
 import { useBookStore } from '@/stores/bookStore'
+import { env } from '@/env';
 
 const props = defineProps<{
   book: Book
@@ -90,6 +91,7 @@ const enrichFeedback = ref<string | null>(null)
 let pollTimer: ReturnType<typeof setInterval> | null = null
 
 const enrichRunning = computed(() => enrichProgress.value?.status === 'RUNNING')
+const uploadEnabled = env('VITE_UPLOAD_ENABLED') !== 'false'
 
 async function handleEnrich() {
   enrichFeedback.value = null