修复前端调试与基础交互问题

frontend/src/features/providers/components/ProviderDetailDrawer.vue

@@ -948,7 +948,6 @@ import {
   canExportOAuthCredential,
   canRefreshOAuthCredential,
   isOAuthManagedCredential,
-  isServiceAccountCredential,
   getProviderMaskedSecretLabel,
   shouldShowOAuthRefreshControl,
 } from '@/utils/providerKeyAuth'
@@ -1302,14 +1301,6 @@ async function toggleFormatConversion() {
   }
 }
 
-// Provider 级别代理配置
-function handleProviderProxyPopoverToggle(open: boolean) {
-  providerProxyPopoverOpen.value = open
-  if (open) {
-    proxyNodesStore.ensureLoaded()
-  }
-}
-
 function getProviderProxyNodeName(): string {
   const nodeId = provider.value?.proxy?.node_id
   if (!nodeId) return legacyT('未知节点')