chore(i18n): auto-update translations via LLM

frontend/translations/zh-TW.json

@@ -535,6 +535,7 @@
   "index.page_title_dashboard": "儀表板",
   "index.page_title_public": "智能文檔處理",
   "index.platform_overview": "平台概覽",
+  "index.processing_stats": "處理統計",
   "index.quick_actions": "快速操作",
   "index.quick_documents": "我的文件",
   "index.quick_documents_desc": "瀏覽您的處理過的文件",
@@ -553,9 +554,13 @@
   "index.stat_active_integrations": "活躍整合",
   "index.stat_active_users": "活躍用戶",
   "index.stat_files_month": "本月文件",
+  "index.stat_files_ocr": "帶有OCR的文件",
   "index.stat_files_today": "今天的文件",
   "index.stat_storage_targets": "儲存目標",
+  "index.stat_this_month": "本月",
+  "index.stat_today": "今天",
   "index.stat_total_files": "總文件數",
+  "index.stat_total_processed": "總處理數",
   "index.tier_plan": "計劃",
   "index.tier_upgrade": "升級",
   "index.tier_view_details": "查看完整詳情",