work on inventory

src/Poe2Trade.Inventory/IInventoryManager.cs

@@ -4,7 +4,9 @@ namespace Poe2Trade.Inventory;
 
 public interface IInventoryManager
 {
+    event Action? Updated;
     InventoryTracker Tracker { get; }
+    byte[]? LastScreenshot { get; }
     bool IsAtOwnHideout { get; }
     string SellerAccount { get; }
     void SetLocation(bool atHome, string? seller = null);

src/Poe2Trade.Inventory/InventoryManager.cs

@@ -10,6 +10,7 @@ public class InventoryManager : IInventoryManager
 {
     private static readonly string SalvageTemplate = Path.Combine("assets", "salvage.png");
 
+    public event Action? Updated;
     public InventoryTracker Tracker { get; } = new();
 
     private bool _atOwnHideout = true;
@@ -19,6 +20,7 @@ public class InventoryManager : IInventoryManager
     private readonly IClientLogWatcher _logWatcher;
     private readonly SavedSettings _config;
 
+    public byte[]? LastScreenshot { get; private set; }
     public bool IsAtOwnHideout => _atOwnHideout;
     public string SellerAccount => _sellerAccount;
 
@@ -44,6 +46,7 @@ public class InventoryManager : IInventoryManager
         await _game.OpenInventory();
 
         var result = await _screen.Grid.Scan("inventory");
+        LastScreenshot = await _screen.CaptureRegion(GridLayouts.Inventory.Region);
 
         var cells = new bool[5, 12];
         foreach (var cell in result.Occupied)
@@ -52,6 +55,7 @@ public class InventoryManager : IInventoryManager
                 cells[cell.Row, cell.Col] = true;
         }
         Tracker.InitFromScan(cells, result.Items, defaultAction);
+        Updated?.Invoke();
 
         await _game.PressEscape();
         await Helpers.Sleep(Delays.PostFocus);