fix: use native fetch instead of node-fetch for Node 18+ compatibility

src/cloud-api/proxy-fetch.ts

@@ -1,38 +1,38 @@
-import fetch, { RequestInit, Response } from "node-fetch";
 import { fetch as UndiciFetch, ProxyAgent } from "undici";
 import { HttpsProxyAgent } from "https-proxy-agent";
 import { SocksProxyAgent } from "socks-proxy-agent";
-import { Agent } from "http";
 import dotenv from "dotenv";
 
 dotenv.config();
 
 /**
- * Automatically creates a proxy-enabled version of node-fetch
- * based on system environment variables (HTTP_PROXY, HTTPS_PROXY, ALL_PROXY).
+ * Uses Node.js native fetch (available in Node 18+).
+ * For proxy support, we use undici's ProxyAgent.
  */
 function createProxyFetch() {
   const httpsProxy = process.env.HTTPS_PROXY || process.env.https_proxy;
   const httpProxy = process.env.HTTP_PROXY || process.env.http_proxy;
   const allProxy = process.env.ALL_PROXY || process.env.all_proxy;
 
-  let agent: Agent | undefined;
-
   const proxy = httpsProxy || httpProxy || allProxy;
 
   if (proxy) {
-    if (proxy.startsWith("socks")) {
-      agent = new SocksProxyAgent(proxy);
-    } else {
-      agent = new HttpsProxyAgent(proxy);
-    }
+    // Use undici fetch with proxy
+    const dispatcher = new ProxyAgent(proxy);
+    return async function proxyFetch(
+      url: string | URL | Request,
+      options: RequestInit = {}
+    ): Promise<Response> {
+      return UndiciFetch(url as string, { dispatcher, ...options } as any) as unknown as Promise<Response>;
+    };
   }
 
+  // No proxy - use native fetch
   return async function proxyFetch(
-    url: string,
+    url: string | URL | Request,
     options: RequestInit = {}
   ): Promise<Response> {
-    return fetch(url, { agent, ...options });
+    return fetch(url, options);
   };
 }