# Messages

Interfaces for the email/messaging system, covering message entities, recipients, relations, and the message sender service.

## Key Files

- **`IAcEmailMessageBase.cs`** — Base email message with `ContextId`, `SenderId`, `Subject`, `Text`, `IsReaded`, and `ContextType`. Extends `IEntityGuid`, `ITimeStampInfo`, `IAcEmailAddress`.
- **`IAcEmailMessage.cs`** — Full email message combining `IAcEmailMessageBase` with a recipients relation.
- **`IAcEmailRecipientBase.cs`** — Base recipient with `RecipientId`, `EmailMessageId`, and `IsReaded`.
- **`IAcEmailRecipient.cs`** — Full recipient combining base recipient with an email message relation.
- **`IAcEmailMessageRelation.cs`** — Navigation property for entities holding an `EmailMessage` reference.
- **`IAcEmailRecipientsRelation.cs`** — Navigation property exposing a `List<TEmailRecipient>` collection.
- **`IAcEmailMessageForeignKey.cs`** — Foreign key contract for `EmailMessageId` (generic and Guid variants).
- **`IAcMessageSenderService.cs`** — Service interface with `SendMessageAsync` for dispatching messages.

---

> **LLM Maintenance:** If you modify code in this folder, update this README to reflect the changes. If you notice the README content does not match the current code, automatically update the README to match the code.