feat(cli): add explicit proxy option in cli (#2526)

Co-authored-by: Dcatfly <dcatfly@gmail.com>

packages/core/src/tools/web-fetch.test.ts

@@ -13,6 +13,7 @@ describe('WebFetchTool', () => {
   const mockConfig = {
     getApprovalMode: vi.fn(),
     setApprovalMode: vi.fn(),
+    getProxy: vi.fn(),
   } as unknown as Config;
 
   describe('shouldConfirmExecute', () => {

packages/core/src/tools/web-fetch.ts

@@ -17,6 +17,7 @@ import { Config, ApprovalMode } from '../config/config.js';
 import { getResponseText } from '../utils/generateContentResponseUtilities.js';
 import { fetchWithTimeout, isPrivateIp } from '../utils/fetch.js';
 import { convert } from 'html-to-text';
+import { ProxyAgent, setGlobalDispatcher } from 'undici';
 
 const URL_FETCH_TIMEOUT_MS = 10000;
 const MAX_CONTENT_LENGTH = 100000;
@@ -81,6 +82,10 @@ export class WebFetchTool extends BaseTool<WebFetchToolParams, ToolResult> {
         type: Type.OBJECT,
       },
     );
+    const proxy = config.getProxy();
+    if (proxy) {
+      setGlobalDispatcher(new ProxyAgent(proxy as string));
+    }
   }
 
   private async executeFallback(