Add IsReadAndConfirm to DocumentSignedNotification and derive the action, status, and final action labels from it so read-only envelopes do not report a signature.
Pass the envelope read-and-confirm mode when finalizing so the signed email matches the receiver workflow.
Send notifications via IMessagingServiceClient and PublishEmailViaSmtpCommand instead of the static EmailSender. The sender address now comes from NotificationOptions and attachments are added through the command builder.
Rename the Notify parameter to receiverEmail so the call site contract is explicit.
Refactored `DocumentReceivedNotification` to use new properties `Origin`, `EnvelopeUuid`, and `ReceiverSignature` for constructing `EnvelopeURL`. Updated `LinkToDocument` and `LinkToDocumentText` to derive from `EnvelopeURL`.
Simplified `CreateEnvelopeCommandHandler` with record-like syntax, removing private fields and directly injecting dependencies.
Renamed and refactored `QueueInvitationEmailsAsync` to `SendInvitationEmailsAsync`, using `EnvNtfService.Notify` for email notifications, centralizing logic and improving clarity.
Improved error handling in email sending with logging. Updated variable names for clarity and cleaned up `using` directives.
Changed the `Attachments` property type in `EnvelopeNotificationBase.cs` from `List` to `IReadOnlyList` to enhance immutability and thread safety. Updated the `FinalizeEnvelopeCommandHandler` in `FinalizeEnvelopeCommand.cs` to use a single-line syntax for `Attachments` initialization, improving code readability.
Introduced `EnvelopeNotificationBase` as a new base class for notifications, providing a unified structure with an abstract `GetTemplateType` method and optional attachments. Added `DocumentReceivedNotification` and updated `DocumentSignedNotification` to inherit from this base class, streamlining attachment handling and template type determination.
Refactored `IEnvelopeNotificationService` to use a generic `Notify` method, allowing for flexibility with different notification types. Updated `FinalizeEnvelopeCommandHandler` to align with the new attachment handling.
Added `EnvelopeNotificationExtensions` for converting attachments to `EmailAttachmentDto` objects and introduced `ReplacePlaceholderExtensions` for dynamic placeholder replacement in email templates using reflection. Removed outdated placeholder logic from `EnvelopeNotificationService`.
