Split simulation models

src/ReactorMaintenance.Simulation/Models/SurfaceState.cs

@@ -0,0 +1,12 @@
+namespace ReactorMaintenance.Simulation;
+
+public sealed record SurfaceState
+{
+    public float Fuel { get; init; }
+    public float Coolant { get; init; }
+    public float Electricity { get; init; }
+    public float Heat { get; init; }
+    public int FuelBlockTurns { get; init; }
+    public int CoolantBlockTurns { get; init; }
+    public int ElectricityBlockTurns { get; init; }
+}