Enhanced signature navigation logic to track the last viewed signature (`_lastViewedSignatureId`) and enable cross-page navigation. Updated next/previous navigation to handle both signed and unsigned signatures, with automatic page changes and scrolling to the relevant element.
Added a signature counter to the toolbar, displaying total, signed, and unsigned counts. Improved `renderSignatureButtons()` to filter out applied signatures and updated `clearSignatureButtons()` to manage visibility based on the current page.
Integrated Blazor callbacks (`OnPageChangedBySignatureNav()` and `OnSignatureNavChanged`) for UI updates. Fixed visibility issues where applied signatures appeared on incorrect pages.
TekH
7a7fc2f903