Refactor: Revert to hard deletes for messages. Remove IsDeleted flag and update repository and configurations accordingly.

Govor.Contracts/Requests/SignalR/EditMessageRequest.cs

@@ -0,0 +1,7 @@
+namespace Govor.Contracts.Requests.SignalR;
+
+public class EditMessageRequest
+{
+    public Guid MessageId { get; set; }
+    public string NewEncryptedContent { get; set; } = string.Empty;
+}

Govor.Contracts/Requests/SignalR/MessageRequest.cs

@@ -5,6 +5,7 @@ namespace Govor.Contracts.Requests.SignalR;
 public record MessageRequest
 {
     public Guid RecipientId { get; init; }
+    public RecipientType RecipientType { get; init; } // Added this field
     public string EncryptedContent { get; init; } = string.Empty;
     public Guid? ReplyToMessageId { get; set; }
     public List<MediaReference> MediaAttachments { get; set; } = new();

Govor.Contracts/Requests/SignalR/RemoveMessageRequest.cs

@@ -0,0 +1,6 @@
+namespace Govor.Contracts.Requests.SignalR;
+
+public class RemoveMessageRequest
+{
+    public Guid MessageId { get; set; }
+}

Govor.Contracts/Responses/SignalR/MessageEditedResponse.cs

@@ -0,0 +1,13 @@
+using Govor.Core.Models; // For RecipientType
+
+namespace Govor.Contracts.Responses.SignalR;
+
+public class MessageEditedResponse
+{
+    public Guid MessageId { get; set; }
+    public string NewEncryptedContent { get; set; } = string.Empty;
+    public DateTime EditedAt { get; set; }
+    public Guid SenderId { get; set; } // Original Sender
+    public Guid RecipientId { get; set; }
+    public RecipientType RecipientType { get; set; }
+}

Govor.Contracts/Responses/SignalR/MessageRemovedResponse.cs

@@ -0,0 +1,11 @@
+using Govor.Core.Models; // For RecipientType
+
+namespace Govor.Contracts.Responses.SignalR;
+
+public class MessageRemovedResponse
+{
+    public Guid MessageId { get; set; }
+    public Guid SenderId { get; set; } // Original Sender
+    public Guid RecipientId { get; set; }
+    public RecipientType RecipientType { get; set; }
+}