feat: add return classification for archive chart, CARD API integration, compliance charts, systemd services

frontend/src/App.js

@@ -179,7 +179,17 @@ export default function App() {
   const [cveDocuments, setCveDocuments] = useState({});
   const [quickCheckCVE, setQuickCheckCVE] = useState('');
   const [quickCheckResult, setQuickCheckResult] = useState(null);
-  const [currentPage, setCurrentPage] = useState('home');
+  const VALID_PAGES = new Set(['home', 'triage', 'compliance', 'knowledge-base', 'exports', 'jira', 'admin']);
+  const [currentPage, setCurrentPageRaw] = useState(() => {
+    try {
+      const saved = localStorage.getItem('cve-dashboard-page');
+      return saved && VALID_PAGES.has(saved) ? saved : 'home';
+    } catch { return 'home'; }
+  });
+  const setCurrentPage = (page) => {
+    setCurrentPageRaw(page);
+    try { localStorage.setItem('cve-dashboard-page', page); } catch {}
+  };
   const [navOpen, setNavOpen] = useState(false);
   const [calendarFilter, setCalendarFilter] = useState(null);
   const [reportingExcFilter, setReportingExcFilter] = useState(null);