[core] NOWEB - fix send image using proxy

fix #1859

src/core/engines/noweb/session.noweb.core.ts

@@ -355,10 +355,8 @@ export class WhatsappSessionNoWebCore extends WhatsappSession {
     }
     return {
       agent: agents?.socket,
-      // Baileys types still expect a Node https.Agent here,
-      // but 'undici' fetch requires a Dispatcher.
-      // Cast keeps the compiler satisfied while we pass the ProxyAgent at runtime.
-      fetchAgent: agents?.fetch as unknown as Agent,
+      // Baileys media upload uses Node https.request in Node runtime.
+      fetchAgent: agents?.fetch as Agent,
       auth: state,
       printQRInTerminal: false,
       browser: browser,

src/core/engines/noweb/types.ts

@@ -1,7 +1,6 @@
 import { Agent } from 'https';
-import type { Dispatcher } from 'undici';
 
 export interface Agents {
   socket: Agent;
-  fetch: Dispatcher;
+  fetch: Agent;
 }

src/core/helpers.proxy.ts

@@ -1,6 +1,5 @@
 import { HttpsProxyAgent } from 'https-proxy-agent';
 import { URL } from 'url';
-import { ProxyAgent } from 'undici';
 
 import { WhatsappConfigService } from '../config.service';
 import { ProxyConfig } from '../structures/sessions.dto';
@@ -72,7 +71,9 @@ export function createAgentProxy(proxyConfig: ProxyConfig): Agents | undefined {
   );
 
   const socketAgent = new HttpsProxyAgent(url);
-  const fetchAgent = new ProxyAgent({ uri: url });
+  // Baileys media upload uses Node.js https.request in Node runtime,
+  // so fetchAgent must be a Node https.Agent (ProxyAgent from undici won't work).
+  const fetchAgent = new HttpsProxyAgent(url);
 
   return { socket: socketAgent, fetch: fetchAgent };
 }