Refactor game state management to use a unified Stat system and update UI labels for production and corruption

Scripts/Core/Effects/AddResourceEffect.cs

@@ -6,24 +6,16 @@ namespace ParasiticGod.Scripts.Core.Effects;
 [GlobalClass]
 public partial class AddResourceEffect : Effect
 {
-    [Export] public ResourceType TargetResource { get; set; }
+    [Export] public Stat TargetResource { get; set; }
     [Export] public double Value { get; set; }
 
     public override void Execute(GameState state)
     {
-        switch (TargetResource)
-        {
-            case ResourceType.Faith:
-                state.Faith += Value;
-                break;
-            case ResourceType.Followers:
-                state.Followers += (long)Value;
-                break;
-            case ResourceType.Corruption:
-                state.Corruption += Value;
-                break;
-            default:
-                throw new ArgumentOutOfRangeException();
-        }
+        state.Modify(TargetResource, Value);
+    }
+
+    public override string ToString()
+    {
+        return $"Add {Value} to {TargetResource}";
     }
 }