Rename middleware.ts to proxy.ts and export as proxy function

proxy.ts

@@ -0,0 +1,16 @@
+import { getSessionCookie } from "better-auth/cookies";
+import { type NextRequest, NextResponse } from "next/server";
+
+export function proxy(request: NextRequest) {
+  const sessionCookie = getSessionCookie(request);
+
+  if (!sessionCookie) {
+    return NextResponse.redirect(new URL("/login", request.url));
+  }
+
+  return NextResponse.next();
+}
+
+export const config = {
+  matcher: ["/dashboard", "/explore", "/settings", "/setup", "/titles/:path*"],
+};