fix: complete retail parity stability pass

tests/AcDream.App.Tests/UI/Layout/MapHousePanelControllerTests.cs

@@ -1,8 +1,10 @@
 using System.Linq;
+using System.Numerics;
 using AcDream.App.UI;
 using AcDream.App.UI.Layout;
 using AcDream.Core.Net.Messages;
 using AcDream.Core.World;
+using AcDream.Runtime.Gameplay;
 
 namespace AcDream.App.Tests.UI.Layout;
 
@@ -124,7 +126,18 @@ public sealed class MapHousePanelControllerTests
     /// UiButton hotspots above — a fresh instance per call, matching
     /// production's real resolver.</summary>
     private static UiElement? FakeHouseRowTemplate(uint layoutId, uint elementId)
-        => new UiText { Width = 280f, Height = 28f };
+        => new UiText
+        {
+            Width = 280f,
+            Height = 28f,
+            DefaultColor = new Vector4(0.1f, 0.1f, 0.1f, 1f),
+            FontColorPalette =
+            [
+                new Vector4(1f, 1f, 1f, 1f),
+                new Vector4(0f, 1f, 0f, 1f),
+                new Vector4(1f, 0f, 0f, 1f),
+            ],
+        };
 
     private static MapHousePanelController.Callbacks MakeCallbacks(
         List<string>? calls = null,
@@ -132,7 +145,8 @@ public sealed class MapHousePanelControllerTests
         Func<uint>? playerCellId = null,
         Func<CreateObject.ServerPosition?>? housePosition = null,
         Func<IReadOnlyList<string>>? houseLines = null,
-        Func<uint, uint, ElementInfo?>? templateInfoResolver = null)
+        Func<uint, uint, ElementInfo?>? templateInfoResolver = null,
+        Func<IReadOnlyList<HousePanelLine>>? housePanelLines = null)
     {
         calls ??= new List<string>();
         return new MapHousePanelController.Callbacks(
@@ -147,7 +161,8 @@ public sealed class MapHousePanelControllerTests
             House: new HousePageController.Bindings(
                 Lines: houseLines ?? (static () => Array.Empty<string>()),
                 OnShown: () => calls.Add("house-shown"),
-                TemplateResolver: FakeHouseRowTemplate));
+                TemplateResolver: FakeHouseRowTemplate,
+                PanelLines: housePanelLines));
     }
 
     [Fact]
@@ -377,4 +392,35 @@ public sealed class MapHousePanelControllerTests
             "You may buy another house immediately.",
             Assert.Single(row.LinesProvider()).Text);
     }
+
+    [Fact]
+    public void Tick_UsesRetailHousePanelColorAsAuthoredPaletteIndex()
+    {
+        ElementInfo rootInfo = FixtureLoader.LoadMapHouseHostInfos();
+        ImportedLayout layout = FixtureLoader.LoadMapHouseHost();
+        HousePanelLine[] lines =
+        [
+            new("paid", HousePanelTextColor.RentPaid),
+            new("unpaid", HousePanelTextColor.RentNotPaid),
+        ];
+        MapHousePanelController? controller = MapHousePanelController.Bind(
+            rootInfo,
+            layout,
+            MakeCallbacks(housePanelLines: () => lines));
+        Assert.NotNull(controller);
+
+        controller!.Tick(0.016);
+
+        var listBox = Assert.IsType<UiTemplateListBox>(
+            UiElement.FindDescendant(controller.Root, HousePageController.TextBoxId));
+        UiScrollablePanel viewport = Assert.IsType<UiScrollablePanel>(
+            listBox.ViewportForTest);
+        Assert.Equal(2, viewport.Children.Count);
+        Assert.Equal(
+            new Vector4(0f, 1f, 0f, 1f),
+            Assert.Single(Assert.IsType<UiText>(viewport.Children[0]).LinesProvider()).Color);
+        Assert.Equal(
+            new Vector4(1f, 0f, 0f, 1f),
+            Assert.Single(Assert.IsType<UiText>(viewport.Children[1]).LinesProvider()).Color);
+    }
 }