TekH
6024f5c040
Introduced a PDF thumbnail sidebar in `EnvelopeViewer.razor` to enhance navigation between pages. Added a toggle button to show/hide the sidebar and implemented dynamic thumbnail rendering for all pages. Updated `envelope-viewer.css` with styles for the sidebar, including hover/active states, transitions, and mobile responsiveness. Enhanced `pdf-viewer.js` with a `renderThumbnail` method to render page previews on canvas elements. Added error handling for non-critical thumbnail rendering issues. Improved user experience by providing an intuitive way to preview and navigate PDF pages.