UPD: initial architecture

src/app/(private)/w/[workspaceSlug]/layout.tsx

@@ -0,0 +1,13 @@
+import { AppShell } from "@/components/layout/app-shell";
+import { requirePageUser } from "@/lib/auth/guards";
+export default async function WorkspaceLayout({
+  children,
+  params,
+}: {
+  children: React.ReactNode;
+  params: Promise<{ workspaceSlug: string }>;
+}) {
+  await requirePageUser();
+  const { workspaceSlug } = await params;
+  return <AppShell workspaceSlug={workspaceSlug}>{children}</AppShell>;
+}