Optimizations (from @wolfcomp)

Simulator/Actions/Groundwork.cs

@@ -2,18 +2,25 @@ namespace Craftimizer.Simulator.Actions;
 
 internal sealed class Groundwork : BaseAction
 {
-    public override ActionCategory Category => ActionCategory.Synthesis;
-    public override int Level => 72;
-    public override uint ActionId => 100403;
+    public Groundwork()
+    {
+        Category = ActionCategory.Synthesis;
+        Level = 72;
+        ActionId = 100403;
+        IncreasesProgress = true;
+        DurabilityCost = 20;
+    }
 
-    public override bool IncreasesProgress => true;
-    public override int DurabilityCost => 20;
+    public override void CPCost(Simulator s, ref int cost)
+    {
+        cost = 18;
+    }
 
-    public override int CPCost(Simulator s) => 18;
-    public override int Efficiency(Simulator s)
+    public override void Efficiency(Simulator s, ref int eff)
     {
         // Groundwork Mastery Trait
-        var ret = s.Input.Stats.Level >= 86 ? 360 : 300;
-        return s.Durability < s.CalculateDurabilityCost(DurabilityCost) ? ret / 2 : ret;
+        eff = s.Input.Stats.Level >= 86 ? 360 : 300;
+        if (s.Durability < s.CalculateDurabilityCost(DurabilityCost))
+            eff /= 2;
     }
 }