- Add a reading progress bar at the top of the article detail view, based on WebView height and ScrollView height - Remove unused contentHeight logic, use webViewHeight as the single source of truth - Optimize archive button: show checkmark and 'Archived' after archiving, disable button, and show 'Go Back' button for dismiss - Enable scrolling in WebView and add JavaScript for scroll progress reporting and debug logs - Add new localization keys for 'Archived' and 'Go Back' - Bump project version