Bunch of improvements i dunno.

Wino.Core/Synchronizers/BaseSynchronizer.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
+using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Messaging;
 using Wino.Core.Domain.Entities.Shared;
 using Wino.Core.Domain.Enums;
@@ -13,12 +14,14 @@ using Wino.Messaging.UI;
 
 namespace Wino.Core.Synchronizers;
 
-public abstract class BaseSynchronizer<TBaseRequest> : IBaseSynchronizer
+public abstract partial class BaseSynchronizer<TBaseRequest> : ObservableObject, IBaseSynchronizer
 {
     protected SemaphoreSlim synchronizationSemaphore = new(1);
     protected CancellationToken activeSynchronizationCancellationToken;
 
     protected List<IRequestBase> changeRequestQueue = [];
+    protected readonly IMessenger Messenger;
+    
     public MailAccount Account { get; }
 
     private AccountSynchronizerState state;
@@ -29,13 +32,87 @@ public abstract class BaseSynchronizer<TBaseRequest> : IBaseSynchronizer
         {
             state = value;
 
-            WeakReferenceMessenger.Default.Send(new AccountSynchronizerStateChanged(Account.Id, value));
+            // Send state changed message with current progress information
+            Messenger.Send(new AccountSynchronizerStateChanged(
+                Account.Id, 
+                value, 
+                TotalItemsToSync, 
+                RemainingItemsToSync, 
+                SynchronizationStatus));
         }
     }
 
-    protected BaseSynchronizer(MailAccount account)
+    /// <summary>
+    /// Current synchronization status message.
+    /// </summary>
+    [ObservableProperty]
+    public partial string SynchronizationStatus { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Total items to download/sync in current operation. 
+    /// 0 means no active download or indeterminate progress.
+    /// </summary>
+    [ObservableProperty]
+    public partial int TotalItemsToSync { get; set; }
+
+    /// <summary>
+    /// Remaining items to download/sync in current operation.
+    /// </summary>
+    [ObservableProperty]
+    public partial int RemainingItemsToSync { get; set; }
+
+    /// <summary>
+    /// Calculated progress percentage (0-100) based on TotalItemsToSync and RemainingItemsToSync.
+    /// Returns -1 for indeterminate progress (when both are 0).
+    /// </summary>
+    public double SynchronizationProgress
+    {
+        get
+        {
+            if (TotalItemsToSync == 0 || RemainingItemsToSync == 0)
+                return -1; // Indeterminate
+
+            return ((double)(TotalItemsToSync - RemainingItemsToSync) / TotalItemsToSync) * 100;
+        }
+    }
+
+    protected BaseSynchronizer(MailAccount account, IMessenger messenger)
     {
         Account = account;
+        Messenger = messenger ?? WeakReferenceMessenger.Default;
+    }
+
+    /// <summary>
+    /// Resets synchronization progress to default state.
+    /// </summary>
+    protected void ResetSyncProgress()
+    {
+        TotalItemsToSync = 0;
+        RemainingItemsToSync = 0;
+        SynchronizationStatus = string.Empty;
+        OnPropertyChanged(nameof(SynchronizationProgress));
+    }
+
+    /// <summary>
+    /// Updates synchronization progress with current item counts.
+    /// </summary>
+    /// <param name="total">Total items to sync</param>
+    /// <param name="remaining">Remaining items to sync</param>
+    /// <param name="status">Optional status message</param>
+    protected void UpdateSyncProgress(int total, int remaining, string status = "")
+    {
+        TotalItemsToSync = total;
+        RemainingItemsToSync = remaining;
+        SynchronizationStatus = status;
+        OnPropertyChanged(nameof(SynchronizationProgress));
+        
+        // Send progress update message
+        Messenger.Send(new AccountSynchronizerStateChanged(
+            Account.Id, 
+            State, 
+            TotalItemsToSync, 
+            RemainingItemsToSync, 
+            SynchronizationStatus));
     }
 
     /// <summary>