stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/StellaOps.HybridLogicalClock.Tests/HybridLogicalClockTests.State.cs

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+// <copyright file="HybridLogicalClockTests.State.cs" company="StellaOps">
+// Copyright (c) StellaOps. Licensed under BUSL-1.1.
+// </copyright>
+using FluentAssertions;
+using Xunit;
+
+namespace StellaOps.HybridLogicalClock.Tests;
+
+public sealed partial class HybridLogicalClockTests
+{
+    [Fact]
+    public void Current_ReturnsLatestState()
+    {
+        var timeProvider = CreateTimeProvider();
+        var clock = CreateClock(timeProvider);
+
+        var tick1 = clock.Tick();
+        var current1 = clock.Current;
+
+        var tick2 = clock.Tick();
+        var current2 = clock.Current;
+
+        current1.Should().Be(tick1);
+        current2.Should().Be(tick2);
+    }
+
+    [Fact]
+    public void Tick_PersistsStateToStore()
+    {
+        var timeProvider = CreateTimeProvider();
+        var stateStore = new InMemoryHlcStateStore();
+        var clock = CreateClock(timeProvider, store: stateStore);
+
+        clock.Tick();
+
+        stateStore.GetAllStates().Count.Should().Be(1);
+    }
+}