diff --git a/services/web-ui/public/app.jsx b/services/web-ui/public/app.jsx
index 1bcf73b..5a88667 100644
--- a/services/web-ui/public/app.jsx
+++ b/services/web-ui/public/app.jsx
@@ -23,6 +23,18 @@ function App() {
       try { localStorage.setItem('df.sidebar.collapsed', next ? '1' : '0'); } catch {}
       return next;
     });
+
+  // Sync route state with URL hash
+  React.useEffect(() => {
+    const parseHash = () => {
+      const hash = window.location.hash.slice(1); // remove #
+      const route = hash.startsWith('/') ? hash.slice(1) : hash || 'home';
+      setRoute(route);
+    };
+    parseHash();
+    window.addEventListener('hashchange', parseHash);
+    return () => window.removeEventListener('hashchange', parseHash);
+  }, []);
   }, []);
 
   React.useEffect(() => {