refactor(app): compose settings and developer tools

tests/AcDream.App.Tests/Combat/CombatFeedbackSlotTests.cs

@@ -0,0 +1,59 @@
+using System.Numerics;
+using AcDream.App.Combat;
+using AcDream.Core.Combat;
+using AcDream.UI.Abstractions.Panels.Debug;
+
+namespace AcDream.App.Tests.Combat;
+
+public sealed class CombatFeedbackSlotTests
+{
+    [Fact]
+    public void ExpectedOwnerUnbindCannotClearReplacement()
+    {
+        var slot = new CombatFeedbackSlot();
+        using DebugVM first = CreateViewModel();
+        using DebugVM second = CreateViewModel();
+
+        slot.Bind(first);
+        slot.Unbind(second);
+        slot.Show("first");
+        Assert.Single(first.RecentToasts);
+        Assert.Empty(second.RecentToasts);
+
+        slot.Unbind(first);
+        slot.Bind(second);
+        slot.Show("second");
+        Assert.Single(second.RecentToasts);
+    }
+
+    private static DebugVM CreateViewModel() => new(
+        static () => Vector3.Zero,
+        static () => 0,
+        static () => 0,
+        static () => false,
+        static () => false,
+        static () => false,
+        static () => 0,
+        static () => 0,
+        static () => 0,
+        static () => 0,
+        static () => 0,
+        static () => 0,
+        static () => float.PositiveInfinity,
+        static () => "-",
+        static () => false,
+        static () => false,
+        static () => 0,
+        static () => 1,
+        static () => 0,
+        static () => false,
+        static () => "0",
+        static () => 0,
+        static () => "Clear",
+        static () => 0,
+        static () => 0,
+        static () => 0,
+        static () => 60,
+        static () => 16.7f,
+        new CombatState());
+}