fix(asr): resolve Bailian ASR validation deadlock and surface error details (#848)

openless-all/app/src-tauri/src/asr/bailian.rs

@@ -486,6 +486,7 @@ impl BailianRealtimeASR {
         if let Some(tx) = tx {
             let _ = tx.send(Err(error));
         }
+        self.task_started.notify_waiters();
         self.close_on_runtime();
     }
 

openless-all/app/src/pages/settings/ProvidersSection.tsx

@@ -704,6 +704,9 @@ function providerErrorMessage(error: unknown, t: ReturnType<typeof useTranslatio
   if (message.includes('API Key')) return t('settings.providers.apiKeyMissing');
   if (message.includes('Endpoint')) return t('settings.providers.endpointMissing');
   if (message.includes('timeout') || message.includes('超时')) return t('settings.providers.requestTimeout');
+  if (message.startsWith('task failed:') || message.startsWith('connection failed:') || message.startsWith('send failed:')) {
+    return message;
+  }
   return t('common.operationFailed');
 }