- Added `IMemoryCache` for session persistence and caching.
- Introduced session persistence via query parameter (`esid`).
- Replaced overlay-based click handling with normalized PDF coordinates.
- Added `PdfSharp` integration to render signature placeholders.
- Updated button behavior for receiver-specific signature placement.
- Improved receiver popup validation and email suggestion handling.
- Removed unused overlay synchronization logic.
- Refactored CSS for better PDF viewer layout and toolbar alignment.
- Enhanced logging with additional context for signature actions.
- General code cleanup for readability and maintainability.
TekH
74da6e37b0