feat: implement draft/published workflow with toggle and status indicators

src/js/config.js

@@ -1,6 +1,7 @@
 // Global variables and configuration
 let editor; // Global editor instance
 let renderTimeout; // For debouncing
+let currentViewMode = 'draft'; // Track current view mode: 'draft' or 'published'
 
 // Panel resizing variables
 let isResizing = false;