fix: Use relative URLs instead of localhost for HF Space deployment

frontend/components/ChatPanel.tsx

@@ -11,7 +11,7 @@
 import { useState, useRef, useEffect, FormEvent } from 'react';
 import { useTheme } from '../contexts/ThemeContext';
 
-const MCP_SERVER_URL = process.env.NEXT_PUBLIC_MCP_SERVER_URL || 'http://localhost:5000';
+const MCP_SERVER_URL = process.env.NEXT_PUBLIC_MCP_SERVER_URL || '';
 
 interface Message {
   role: 'user' | 'assistant';

frontend/lib/api.ts

@@ -2,7 +2,7 @@
  * API client utilities for backend communication with JWT handling.
  */
 
-const API_URL = process.env.NEXT_PUBLIC_API_URL || 'http://localhost:8000';
+const API_URL = process.env.NEXT_PUBLIC_API_URL || '';
 
 export function getToken(): string | null {
   if (typeof window === 'undefined') return null;

frontend/lib/auth.ts

@@ -5,7 +5,7 @@
 import { createAuthClient } from 'better-auth/react';
 import { jwtClient } from 'better-auth/client/plugins';
 
-const API_URL = process.env.NEXT_PUBLIC_API_URL || 'http://localhost:3000';
+const API_URL = process.env.NEXT_PUBLIC_API_URL || '';
 
 export const authClient = createAuthClient({
   baseURL: API_URL,

frontend/next.config.js

@@ -1,6 +1,22 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
   reactStrictMode: true,
+  async rewrites() {
+    return [
+      {
+        source: '/api/chat',
+        destination: 'http://localhost:5000/api/chat',
+      },
+      {
+        source: '/mcp/:path*',
+        destination: 'http://localhost:5000/:path*',
+      },
+      {
+        source: '/api/:path*',
+        destination: 'http://localhost:8000/api/:path*',
+      },
+    ];
+  },
 }
 
-module.exports = nextConfig
+module.exports = nextConfig