maintenance: Clean up comments throughout component files

src/components/LoginComponent.jsx

@@ -24,6 +24,7 @@ const LoginComponent = ({ onLogin }) => {
         } else {
             console.error("Invalid username or password");
             setError("Invalid username or password. Please try again.");
+            // Clear error after 50 seconds (long timeout for demo purposes)
             setTimeout(() => {
                 setError('');
             }, 50000);