fix: simplify proxy patch to use HttpsProxyAgent globally

Set https.globalAgent and override https.request to use proxy
for all Polymarket domains. Ensures @polymarket/clob-client
axios calls route through proxy.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/utils/proxy-patch.cjs

@@ -6,17 +6,21 @@
  * Must be imported as very first thing in the app.
  * In ES modules: import './proxy-patch.cjs'
  */
-const https = require('https');
-const http = require('http');
-const { HttpsProxyAgent } = require('https-proxy-agent');
 
 const PROXY_URL = process.env.PROXY_URL || '';
 
 if (PROXY_URL) {
-    const agent = new HttpsProxyAgent(PROXY_URL);
-    const originalHttpsRequest = https.request.bind(https);
+    // Load https-proxy-agent which patches https.request properly
+    const { HttpsProxyAgent } = require('https-proxy-agent');
+    const https = require('https');
 
-    // Polymarket domains that must go through proxy
+    // Create agent that routes everything through proxy
+    const agent = new HttpsProxyAgent(PROXY_URL);
+
+    // Store original request
+    const originalRequest = https.request;
+
+    // Polymarket domains
     const POLY_DOMAINS = [
         'polymarket.com',
         'clob.polymarket.com',
@@ -33,16 +37,46 @@ if (PROXY_URL) {
         }
     }
 
-    // Patch https.request
-    https.request = function(...args) {
-        const url = args[0];
-        if (typeof url === 'string' && shouldProxy(url)) {
-            const options = args[1] || {};
-            options.agent = agent;
-            return originalHttpsRequest(url, options);
+    // Override https.request globally
+    https.request = function(options, callback) {
+        // Handle both string URL and options object
+        let url;
+        if (typeof options === 'string') {
+            url = options;
+        } else if (options.hostname || options.host) {
+            const protocol = options.protocol || 'https:';
+            const hostname = options.hostname || options.host;
+            const port = options.port ? `:${options.port}` : '';
+            const path = options.path || '/';
+            url = `${protocol}//${hostname}${port}${path}`;
         }
-        return originalHttpsRequest(...args);
+
+        // If it's a Polymarket domain, force agent
+        if (url && shouldProxy(url)) {
+            if (typeof options === 'string') {
+                // Convert to options object with agent
+                options = {
+                    agent: agent,
+                };
+            } else {
+                options.agent = agent;
+            }
+        }
+
+        return originalRequest.call(https, options, callback);
     };
 
-    console.log(`[proxy-patch] HTTPS patched for Polymarket routing via proxy`);
+    // Also patch https.get
+    https.get = function(options, callback) {
+        const req = https.request(options, callback);
+        req.end();
+        return req;
+    };
+
+    // Set global agent as fallback
+    https.globalAgent = agent;
+
+    console.log(`[proxy-patch] HTTPS agent patched for Polymarket routing via proxy`);
+} else {
+    console.log('[proxy-patch] No PROXY_URL set, skipping patch');
 }