Added dev state to ui

src/App.jsx

@@ -20,6 +20,11 @@ function App() {
     const location = useLocation();
 
     useEffect(() => {
+        // Dev mode: inject dummy token if none exists
+        if (import.meta.env.MODE === 'development' && !localStorage.getItem('tbp_jwt')) {
+            localStorage.setItem('tbp_jwt', 'dev-dummy-token');
+        }
+
         const token = localStorage.getItem('tbp_jwt');
         setIsAuthenticated(!!token); // Converts the token string (or null) to a boolean
     }, [location]);