UPD: initial architecture

middleware.ts

@@ -0,0 +1,14 @@
+import { NextResponse, type NextRequest } from "next/server";
+export function middleware(request: NextRequest) {
+  if (request.nextUrl.pathname.startsWith("/w/")) {
+    const hasSessionCookie = request.cookies
+      .getAll()
+      .some((cookie) => cookie.name.includes("session_token"));
+    if (!hasSessionCookie)
+      return NextResponse.redirect(
+        new URL(`/login?next=${encodeURIComponent(request.nextUrl.pathname)}`, request.url),
+      );
+  }
+  return NextResponse.next();
+}
+export const config = { matcher: ["/w/:path*"] };