Event details UI improvements.

Wino.Core/Extensions/OutlookIntegratorExtensions.cs

@@ -283,9 +283,12 @@ public static class OutlookIntegratorExtensions
         };
     }
 
-    public static CalendarEventAttendee CreateAttendee(this Attendee attendee, Guid calendarItemId)
+    public static CalendarEventAttendee CreateAttendee(this Attendee attendee, Guid calendarItemId, string organizerEmail = null)
     {
-        bool isOrganizer = attendee?.Status?.Response == ResponseType.Organizer;
+        // Check if this attendee is the organizer by comparing email addresses
+        bool isOrganizer = !string.IsNullOrEmpty(organizerEmail) && 
+                          !string.IsNullOrEmpty(attendee?.EmailAddress?.Address) &&
+                          string.Equals(attendee.EmailAddress.Address, organizerEmail, StringComparison.OrdinalIgnoreCase);
 
         var eventAttendee = new CalendarEventAttendee()
         {

Wino.Core/Integration/Processors/OutlookChangeProcessor.cs

@@ -170,7 +170,9 @@ public class OutlookChangeProcessor(IDatabaseService databaseService,
         List<CalendarEventAttendee> attendees = null;
         if (calendarEvent.Attendees != null)
         {
-            attendees = calendarEvent.Attendees.Select(a => a.CreateAttendee(savingItemId)).ToList();
+            // Pass the organizer's email address to properly identify the organizer in the attendees list
+            string organizerEmail = calendarEvent.Organizer?.EmailAddress?.Address;
+            attendees = calendarEvent.Attendees.Select(a => a.CreateAttendee(savingItemId, organizerEmail)).ToList();
         }
 
         // Use CalendarService to create or update the event

Wino.Core/Requests/Calendar/DeleteCalendarEventRequest.cs

@@ -0,0 +1,32 @@
+using CommunityToolkit.Mvvm.Messaging;
+using Wino.Core.Domain.Entities.Calendar;
+using Wino.Core.Domain.Enums;
+using Wino.Core.Domain.Models.Requests;
+using Wino.Messaging.Client.Calendar;
+
+namespace Wino.Core.Requests.Calendar;
+
+/// <summary>
+/// Request to delete a calendar event on the server.
+/// </summary>
+public record DeleteCalendarEventRequest(CalendarItem Item) : CalendarRequestBase(Item)
+{
+    public override CalendarSynchronizerOperation Operation => CalendarSynchronizerOperation.DeleteEvent;
+
+    /// <summary>
+    /// After successful deletion, resync to confirm the event was removed.
+    /// </summary>
+    public override int ResynchronizationDelay => 2000;
+
+    public override void ApplyUIChanges()
+    {
+        // Notify UI that the event was deleted
+        WeakReferenceMessenger.Default.Send(new CalendarItemDeleted(Item));
+    }
+
+    public override void RevertUIChanges()
+    {
+        // If deletion fails, we should notify the UI to add it back
+        WeakReferenceMessenger.Default.Send(new CalendarItemAdded(Item));
+    }
+}

Wino.Core/Services/WinoRequestDelegator.cs

@@ -140,9 +140,9 @@ public class WinoRequestDelegator : IWinoRequestDelegator
         IRequestBase request = calendarPreparationRequest.Operation switch
         {
             CalendarSynchronizerOperation.CreateEvent => new CreateCalendarEventRequest(calendarPreparationRequest.CalendarItem, calendarPreparationRequest.Attendees),
-            // Future support for update and delete operations
+            CalendarSynchronizerOperation.DeleteEvent => new DeleteCalendarEventRequest(calendarPreparationRequest.CalendarItem),
+            // Future support for update operations
             // CalendarSynchronizerOperation.UpdateEvent => new UpdateCalendarEventRequest(calendarPreparationRequest.CalendarItem, calendarPreparationRequest.Attendees),
-            // CalendarSynchronizerOperation.DeleteEvent => new DeleteCalendarEventRequest(calendarPreparationRequest.CalendarItem),
             _ => throw new NotImplementedException($"Calendar operation {calendarPreparationRequest.Operation} is not implemented yet.")
         };