Upgraded BouncyCastle.Cryptography from 2.5.0 to 2.6.2 across all projects, updating project and package config files as needed. Added/updated PackageReference for .NET Core/Standard projects. Updated app.config with a new binding redirect for System.ValueTuple and changed Microsoft.Identity.Client redirect to 4.55.0.0. These changes improve dependency consistency and resolve potential assembly binding issues.
Updated DigitalData.Core.Abstraction.Application from 1.4.0 to 1.6.0 across all relevant project files and package configs. Also updated DigitalData.Core.Infrastructure from 2.4.5 to 2.6.1 in EnvelopeGenerator.Infrastructure.csproj. No other code changes were made.
Added full implementation for CreateAnnotationCommand and its handler:
- Introduced `PSPDFKitInstantJSON` property to the command
- Injected repositories for `Signature` and `Annotation`
- Implemented query filtering for Envelope and Receiver
- Added annotation creation from parsed PSPDFKit JSON
- Created helper method `ParsePSPDFKitInstantJSON` for JSON parsing
