chore: checkpoint admin restore state

src/lib/routes.ts

@@ -0,0 +1,9 @@
+export const routerBasename = (() => {
+  const raw = String(import.meta.env.VITE_BASE_PATH ?? '').trim().replace(/\/$/, '');
+  if (!raw || raw === '/') return '';
+  return raw.startsWith('/') ? raw : `/${raw}`;
+})();
+
+export function defaultHomePath(role: string | undefined) {
+  return role === 'admin' ? '/' : '/ops';
+}