fix: revert to api.telegram.org with custom dns lookup to fix SSL hang

app/bot/bot.js

@@ -16,23 +16,27 @@ function setupBot(token, webAppUrl) {
     // We will manually resolve it using Google DNS (8.8.8.8) and force Telegraf to use the IP.
 
     const https = require('https');
-    const dns = require('dns').promises;
+    const dns = require('dns');
 
     const botOptions = {};
 
     // Only apply this fix in production (on Hugging Face)
     if (process.env.NODE_ENV === 'production') {
-        console.log('[Bot] Production mode: Using direct IP connection to Telegram API.');
-
-        // Use a direct IP for api.telegram.org to bypass DNS
-        // 149.154.167.220 is a known Telegram API IP.
-        botOptions.telegram = {
-            apiRoot: 'https://149.154.167.220',
-            agent: new https.Agent({
-                keepAlive: true,
-                family: 4
-            })
-        };
+        console.log('[Bot] Production mode: Forcing custom DNS resolution for Telegram.');
+
+        const agent = new https.Agent({
+            keepAlive: true,
+            family: 4,
+            lookup: (hostname, options, callback) => {
+                if (hostname === 'api.telegram.org') {
+                    // console.log(`[Bot] Resolving ${hostname} to fixed IP.`);
+                    return callback(null, '149.154.167.220', 4);
+                }
+                dns.lookup(hostname, options, callback);
+            }
+        });
+
+        botOptions.telegram = { agent };
     }
 
     // Pass botOptions to Telegraf constructor