- Changed return type of `CreateEnvelopeAsync` to ensure a non-null `Envelope` is always returned.
- Updated `AddEnvelopeReceiverAsync` to allow nullable `salutation` parameter.
- Renamed cancellation token parameter in `CreateEnvelopeReceiverCommandHandler` for consistency.
- Enhanced error handling in `CreateEnvelopeAsync` to throw exceptions on failure with improved messages.
- Adjusted `CreateParameters` method to accept nullable `salutation`.
Updated IEnvelopeReceiverExecutor with XML comments for
AddEnvelopeReceiverAsync method and added necessary using
directives. Introduced XML documentation for CreateParameters
in EnvelopeReceiverAddReadSQL. Modified
AddEnvelopeReceiverAsync in EnvelopeReceiverExecutor to
accept individual parameters, improving clarity and usability.
Updated DIExtensions to register IEnvelopeExecutor as a singleton and added IEnvelopeReceiverExecutor as a new singleton service. Introduced IEnvelopeReceiverExecutor interface and implemented it in the new EnvelopeReceiverExecutor class for future envelope processing functionality.
