Partial Busy state for mark as read requests

Wino.Mail.ViewModels/Collections/WinoMailCollection.cs

@@ -724,7 +724,7 @@ public class WinoMailCollection : ObservableRecipient, IRecipient<SelectedItemsC
     /// </summary>
     /// <param name="updatedMailCopy">Updated mail copy.</param>
     /// <returns></returns>
-    public Task UpdateMailCopy(MailCopy updatedMailCopy)
+    public Task UpdateMailCopy(MailCopy updatedMailCopy, MailUpdateSource mailUpdateSource)
     {
         // This item doesn't exist in the list.
         if (!MailCopyIdHashSet.ContainsKey(updatedMailCopy.UniqueId)) return Task.CompletedTask;
@@ -743,14 +743,14 @@ public class WinoMailCollection : ObservableRecipient, IRecipient<SelectedItemsC
                 // This maintains reference integrity and ensures PropertyChanged is raised for all properties
                 itemContainer.ItemViewModel.UpdateFrom(updatedMailCopy);
 
+                // Mark the item view model as busy until the network operation is completed.
+                itemContainer.ItemViewModel.IsBusy = mailUpdateSource == MailUpdateSource.ClientUpdated;
+
                 UpdateUniqueIdHashes(itemContainer.ItemViewModel, true);
             }
 
             // Trigger thread property notifications if this item is in a thread
-            if (itemContainer.ThreadViewModel != null)
-            {
-                itemContainer.ThreadViewModel.NotifyMailItemUpdated(itemContainer.ItemViewModel);
-            }
+            itemContainer.ThreadViewModel?.NotifyMailItemUpdated(itemContainer.ItemViewModel);
         });
     }
 

Wino.Mail.ViewModels/Data/MailItemViewModel.cs

@@ -42,6 +42,13 @@ public partial class MailItemViewModel(MailCopy mailCopy) : ObservableRecipient,
     [NotifyPropertyChangedRecipients]
     public partial bool IsSelected { get; set; }
 
+    /// <summary>
+    /// Indicates if this mail item is currently being processed by a network operation.
+    /// Used to show loading state in the UI.
+    /// </summary>
+    [ObservableProperty]
+    public partial bool IsBusy { get; set; }
+
     public DateTime CreationDate
     {
         get => MailCopy.CreationDate;

Wino.Mail.ViewModels/Data/ThreadMailItemViewModel.cs

@@ -25,6 +25,9 @@ public partial class ThreadMailItemViewModel : ObservableRecipient, IMailListIte
     [NotifyPropertyChangedFor(nameof(IsSelectedOrExpanded))]
     public partial bool IsSelected { get; set; }
 
+    [ObservableProperty]
+    public partial bool IsBusy { get; set; }
+
     public bool IsSelectedOrExpanded => IsSelected || IsThreadExpanded;
 
     /// <summary>

Wino.Mail.ViewModels/MailListPageViewModel.cs

@@ -668,7 +668,7 @@ public partial class MailListPageViewModel : MailBaseViewModel,
     {
         base.OnMailUpdated(updatedMail, source);
 
-        await MailCollection.UpdateMailCopy(updatedMail);
+        await MailCollection.UpdateMailCopy(updatedMail, source);
 
         await ExecuteUIThread(() => { SetupTopBarActions(); });
     }