feat(config): 重构配置模块导航与版本切换，新增版本删除能力

src/app/admin/(shell)/config/layout.tsx

@@ -1,14 +1,7 @@
-import { ConfigSubNav } from "@/modules/config/config-subnav";
+import type { ReactNode } from "react";
 
-export default function AdminConfigLayout({
-  children,
-}: {
-  children: React.ReactNode;
-}) {
-  return (
-    <div className="w-full max-w-none px-1">
-      <ConfigSubNav />
-      {children}
-    </div>
-  );
+import { ConfigWorkspaceShell } from "@/modules/config/config-workspace-shell";
+
+export default function AdminConfigLayout({ children }: { children: ReactNode }) {
+  return <ConfigWorkspaceShell>{children}</ConfigWorkspaceShell>;
 }