clean up ai code. looks pretty good

apps/next/src/proxy.ts

@@ -0,0 +1,34 @@
+import { banSuspiciousIPs } from '@/lib/proxy/ban-sus-ips';
+import {
+  convexAuthNextjsMiddleware,
+  createRouteMatcher,
+  nextjsMiddlewareRedirect,
+} from '@convex-dev/auth/nextjs/server';
+
+const isSignInPage = createRouteMatcher(['/sign-in']);
+const isProtectedRoute = createRouteMatcher(['/profile']);
+
+export default convexAuthNextjsMiddleware(
+  async (request, { convexAuth }) => {
+    const banResponse = banSuspiciousIPs(request);
+    if (banResponse) return banResponse;
+    if (isSignInPage(request) && (await convexAuth.isAuthenticated())) {
+      return nextjsMiddlewareRedirect(request, '/');
+    }
+    if (isProtectedRoute(request) && !(await convexAuth.isAuthenticated())) {
+      return nextjsMiddlewareRedirect(request, '/sign-in');
+    }
+  },
+  { cookieConfig: { maxAge: 60 * 60 * 24 * 30 } },
+);
+
+export const config = {
+  // The following matcher runs middleware on all routes
+  // except static assets.
+  matcher: [
+    '/((?!_next/static|_next/image|favicon.ico|monitoring-tunnel|.*\\.(?:svg|png|jpg|jpeg|gif|webp)$).*)',
+    '/((?!.*\\..*|_next).*)',
+    '/',
+    '/(api)(.*)',
+  ],
+};