add handler mapping

whatsapp-router/src/chatHandlers.ts

@@ -0,0 +1,9 @@
+export const chatHandlers: Record<string, string> = {
+  // Example mapping:
+  // '50496210031@c.us': 'http://llm-agent:8000'
+};
+
+export function getHandler(chatId: string | undefined, defaultUrl?: string): string | undefined {
+  if (!chatId) return defaultUrl;
+  return chatHandlers[chatId] || defaultUrl;
+}

whatsapp-router/src/index.ts

@@ -1,6 +1,7 @@
 import express from 'express';
 import axios from 'axios';
 import { WhatsAppMessage } from './types';
+import { getHandler } from './chatHandlers';
 
 const app = express();
 
@@ -114,8 +115,11 @@ app.post('/webhook', async (req: express.Request, res: express.Response) => {
   const incoming = message || text;
   try {
     if (!incoming) return res.sendStatus(200);
-    if (!agentUrl || !openWaUrl) throw new Error('Service URLs not configured');
-    const agentRes = await axios.post(agentUrl, { message: incoming });
+    if (!openWaUrl) throw new Error('Service URLs not configured');
+    const chatId = (message && message.chatId) || from;
+    const handlerUrl = getHandler(chatId, agentUrl);
+    if (!handlerUrl) throw new Error('No handler configured');
+    const agentRes = await axios.post(handlerUrl, { message: incoming });
     const reply = agentRes.data.reply || agentRes.data;
     await axios.post(`${openWaUrl}/send-text`, { to: from, message: reply });
   } catch (err: any) {