fix: frontend routes

frontend/app/features/admin/SystemAdminPage.tsx

@@ -4,6 +4,8 @@ import Icon from "../../components/common/Icon";
 import { UserManagementPage } from "../../components/admin/UserManagementPage";
 import { ProjectManagementPage } from "../../components/admin/ProjectManagementPage";
 
+import "../../styles/admin.css";
+
 export function SystemAdminPage({
   onNotify,
   onConnectionChange,

frontend/app/features/admin/SystemAdminRoute.tsx

@@ -0,0 +1,15 @@
+import { useScriptWorkspaceStore } from "../platform/state/scriptWorkspaceStore";
+import { useUiStore } from "../platform/state/uiStore";
+import { SystemAdminPage } from "./SystemAdminPage";
+
+export default function SystemAdminRoute() {
+  const setApiOnline = useScriptWorkspaceStore((s) => s.setApiOnline);
+  const pushToast = useUiStore((s) => s.pushToast);
+
+  return (
+    <SystemAdminPage
+      onNotify={pushToast}
+      onConnectionChange={setApiOnline}
+    />
+  );
+}