Add display "Beta"

apps/app/public/static/locales/en_US/translation.json

@@ -153,7 +153,7 @@
   "Bookmarks": "Bookmarks",
   "In-App Notification": "Notifications",
   "AI Assistant": "AI Assistant",
-  "Knowledge Assistant": "Knowledge Assistant",
+  "Knowledge Assistant": "Knowledge Assistant (Beta)",
   "original_path": "Original path",
   "new_path": "New path",
   "duplicated_path": "Duplicated path",

apps/app/public/static/locales/fr_FR/translation.json

@@ -154,7 +154,7 @@
   "Bookmarks": "Favoris",
   "In-App Notification": "Notifications",
   "AI Assistant": "Assistant IA",
-  "Knowledge Assistant": "Assistant de Connaissance",
+  "Knowledge Assistant": "Assistant de Connaissances (Bêta)",
   "original_path": "Chemin originel",
   "new_path": "Nouveau chemin",
   "duplicated_path": "Chemin dupliqué",

apps/app/public/static/locales/ja_JP/translation.json

@@ -154,7 +154,7 @@
   "Bookmarks": "ブックマーク",
   "In-App Notification": "通知",
   "AI Assistant": "AI アシスタント",
-  "Knowledge Assistant": "ナレッジアシスタント",
+  "Knowledge Assistant": "ナレッジアシスタント (ベータ版)",
   "original_path": "元のパス",
   "new_path": "新しいパス",
   "duplicated_path": "重複したパス",

apps/app/public/static/locales/zh_CN/translation.json

@@ -159,7 +159,7 @@
   "Bookmarks": "书签",
   "In-App Notification": "通知",
   "AI Assistant": "AI助手",
-  "Knowledge Assistant": "知识助手",
+  "Knowledge Assistant": "知识助手 (测试版)",
   "original_path": "Original path",
   "new_path": "New path",
   "duplicated_path": "Duplicated path",