Align frontend pulse contract and tasks

tests/ReactorMaintenance.Simulation.Tests/SimulationEngineTests.cs

@@ -67,7 +67,7 @@ public sealed class SimulationEngineTests
         var next = m_Engine.MoveRobot(level, new(2, 1));
 
         Assert.Equal(new(2, 1), next.Robot.Position);
-        Assert.Equal(0, next.Global.Turn);
+        Assert.Equal(0, next.Global.Pulse);
     }
 
     [Fact]
@@ -434,6 +434,21 @@ public sealed class SimulationEngineTests
         Assert.Equal(new(6, 3), loaded.Leaks[0].AccessPosition);
     }
 
+    [Fact]
+    public void LevelSerializationRoundTripsValveAndSprinklerFields()
+    {
+        var level = SprinklerLevel(EPropSwitchState.Disabled);
+        level = level.SetUnderground(new(3, 3), ECarrierType.Fuel, new() { State = EUndergroundState.Intact });
+        level = level.SetProp(new(3, 3), new() { Type = EPropType.IsolationValve, Carrier = ECarrierType.Fuel, SwitchState = EPropSwitchState.Disabled });
+
+        var loaded = LevelSerializer.Deserialize(LevelSerializer.Serialize(level));
+
+        Assert.Equal(EPropType.IsolationValve, loaded.GetProp(new(3, 3)).Type);
+        Assert.Equal(EPropSwitchState.Disabled, loaded.GetProp(new(3, 3)).SwitchState);
+        Assert.Equal(new(2, 1), loaded.GetProp(new(3, 2)).LinkedPosition);
+        Assert.Equal(new(2, 2), loaded.GetProp(new(2, 1)).OutletPosition);
+    }
+
     [Fact]
     public void LevelSerializationRejectsOldSchema()
     {