fix: restore missing _poll_webchat_stream_result function

astrbot/dashboard/routes/chat.py

@@ -36,6 +36,20 @@ async def track_conversation(convs: dict, conv_id: str):
         convs.pop(conv_id, None)
 
 
+async def _poll_webchat_stream_result(back_queue, username: str):
+    try:
+        result = await asyncio.wait_for(back_queue.get(), timeout=1)
+    except asyncio.TimeoutError:
+        return None, False
+    except asyncio.CancelledError:
+        logger.debug(f"[WebChat] 用户 {username} 断开聊天长连接。")
+        return None, True
+    except Exception as e:
+        logger.error(f"WebChat stream error: {e}")
+        return None, False
+    return result, False
+
+
 class ChatRoute(Route):
     def __init__(
         self,

dashboard/src/layouts/full/vertical-header/VerticalHeader.vue

@@ -27,6 +27,24 @@ const customizer = useCustomizerStore();
 const authStore = useAuthStore();
 const theme = useTheme();
 const { t } = useI18n();
+
+const { languageOptions, currentLanguage, switchLanguage, locale } =
+  useLanguageSwitcher();
+
+const languages = computed(() =>
+  languageOptions.value.map((lang) => ({
+    code: lang.value,
+    name: lang.label,
+    flag: lang.flag,
+  })),
+);
+
+const currentLocale = computed(() => locale.value);
+
+const changeLanguage = async (langCode: string) => {
+  await switchLanguage(langCode as Locale);
+};
+
 const route = useRoute();
 const LAST_BOT_ROUTE_KEY = "astrbot:last_bot_route";
 let dialog = ref(false);