Bunch of improvements i dunno.

Wino.Messages/UI/AccountSynchronizerStateChanged.cs

@@ -6,6 +6,14 @@ namespace Wino.Messaging.UI;
 /// <summary>
 /// Emitted when synchronizer state is updated.
 /// </summary>
-/// <param name="synchronizer">Account Synchronizer</param>
-/// <param name="newState">New state.</param>
-public record AccountSynchronizerStateChanged(Guid AccountId, AccountSynchronizerState NewState) : UIMessageBase<AccountSynchronizerStateChanged>;
+/// <param name="AccountId">Account id</param>
+/// <param name="NewState">New synchronizer state</param>
+/// <param name="TotalItemsToSync">Total items to sync (0 for indeterminate)</param>
+/// <param name="RemainingItemsToSync">Remaining items to sync</param>
+/// <param name="SynchronizationStatus">Current synchronization status message</param>
+public record AccountSynchronizerStateChanged(
+    Guid AccountId, 
+    AccountSynchronizerState NewState,
+    int TotalItemsToSync = 0,
+    int RemainingItemsToSync = 0,
+    string SynchronizationStatus = "") : UIMessageBase<AccountSynchronizerStateChanged>;