fix(proxy): use isLoopbackHost for localhost detection

Author: Assistant

src/infra/net/proxy/proxy-lifecycle.ts

@@ -13,6 +13,7 @@ import { bootstrap as bootstrapGlobalAgent } from "global-agent";
 import type { ProxyConfig } from "../../../config/zod-schema.proxy.js";
 import { logInfo, logWarn } from "../../../logger.js";
 import { isLoopbackIpAddress } from "../../../shared/net/ip.js";
+import { isLoopbackHost } from "../../../gateway/net.js";
 import { forceResetGlobalDispatcher } from "../undici-global-dispatcher.js";
 
 export type ProxyHandle = {
@@ -371,7 +372,7 @@ function isGatewayLoopbackControlPlaneUrl(value: string): boolean {
   ) {
     return false;
   }
-  return isLoopbackIpAddress(url.hostname);
+  return isLoopbackHost(url.hostname);
 }
 
 export function dangerouslyBypassManagedProxyForGatewayLoopbackControlPlane<T>(
@@ -389,7 +390,7 @@ export function dangerouslyBypassManagedProxyForGatewayLoopbackControlPlane<T>(
       savedProxyEnv[key] = process.env[key];
       delete process.env[key];
     }
-    const lowercaseKeys = ["http_proxy", "https_proxy", "all_proxy"];
+    const lowercaseKeys = ["all_proxy"];
     for (const key of lowercaseKeys) {
       savedProxyEnv[key] = process.env[key];
       delete process.env[key];