frontend/src/pages/About.tsx

import Sidebar from '../components/Sidebar'
export default function About(){return(<div className="h-screen grid grid-cols-[260px_1fr]"><Sidebar /><main className="p-4"><h2 className="text-xl font-semibold mb-2">About Us</h2><div className="border p-3 rounded-xl border-slate-800 bg-slate-900/40"><p>CHB Multimodal Assistant. Built for chat, uploads, audio/video, and developer APIs.</p></div></main></div>)}