lots done

src/Roboto.Systems/LootSystem.cs

@@ -0,0 +1,15 @@
+using Roboto.Core;
+
+namespace Roboto.Systems;
+
+public class LootSystem : ISystem
+{
+    public int Priority => SystemPriority.Loot;
+    public string Name => "Loot";
+    public bool IsEnabled { get; set; } = false;
+
+    public void Update(GameState state, ActionQueue actions)
+    {
+        // STUB: loot detection and pickup logic
+    }
+}