feat(studio): port character skills tab

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

@@ -623,6 +623,125 @@ public class CharacterStatControllerTests
 
     // ── Affordability helpers (GetRaiseCost) ──────────────────────────────────
 
+    [Fact]
+    public void SkillsTab_Click_RebuildsListWithRetailBucketsAndRows()
+    {
+        var list = new UiPanel { Width = 300 };
+        var layout = Fake((CharacterStatController.ListBoxId, list));
+
+        CharacterStatController.Bind(layout, SampleData.SampleCharacter,
+            spriteResolve: id => (id, 16, 16));
+
+        ClickTab(layout, left: 92f);
+
+        var headers = list.Children
+            .Where(c => c is UiPanel and not UiClickablePanel)
+            .Select(c => c.Children.OfType<UiText>().First().LinesProvider()[0].Text)
+            .ToList();
+        Assert.Equal(new[]
+        {
+            "Specialized Skills",
+            "Trained Skills",
+            "Useable Untrained Skills",
+            "Unuseable Untrained Skills",
+        }, headers);
+
+        var rows = list.Children.OfType<UiClickablePanel>().ToList();
+        Assert.Equal(12, rows.Count);
+        var rowNames = rows
+            .Select(r => r.Children.OfType<UiText>().ToList()[1].LinesProvider()[0].Text)
+            .ToList();
+        Assert.Equal(new[]
+        {
+            "Melee Defense", "War Magic",
+            "Arcane Lore", "Life Magic", "Missile Weapons",
+            "Healing", "Jump", "Loyalty", "Run",
+            "Alchemy", "Cooking", "Fletching",
+        }, rowNames);
+    }
+
+    [Fact]
+    public void SkillsTab_ClickThenAttributesTab_RestoresAttributeRows()
+    {
+        var list = new UiPanel { Width = 300 };
+        var layout = Fake((CharacterStatController.ListBoxId, list));
+
+        CharacterStatController.Bind(layout, SampleData.SampleCharacter,
+            spriteResolve: id => (id, 16, 16));
+
+        ClickTab(layout, left: 92f);
+        Assert.Equal(12, list.Children.OfType<UiClickablePanel>().Count());
+
+        ClickTab(layout, left: 0f);
+        var rows = list.Children.OfType<UiClickablePanel>().ToList();
+        Assert.Equal(9, rows.Count);
+        Assert.Equal("Strength", rows[0].Children.OfType<UiText>().ToList()[1].LinesProvider()[0].Text);
+    }
+
+    [Fact]
+    public void SkillsTab_SelectWarMagic_ShowsTrainedSkillFooter()
+    {
+        var list = new UiPanel { Width = 300 };
+        var title = new UiText();
+        var l1Label = new UiText();
+        var l1Value = new UiText();
+        var l2Label = new UiText();
+        var l2Value = new UiText();
+        var layout = Fake(
+            (CharacterStatController.ListBoxId, list),
+            (CharacterStatController.FooterTitleId, title),
+            (CharacterStatController.FooterLine1Label, l1Label),
+            (CharacterStatController.FooterLine1Value, l1Value),
+            (CharacterStatController.FooterLine2Label, l2Label),
+            (CharacterStatController.FooterLine2Value, l2Value));
+
+        CharacterStatController.Bind(layout, SampleData.SampleCharacter,
+            spriteResolve: id => (id, 16, 16));
+
+        ClickTab(layout, left: 92f);
+        list.Children.OfType<UiClickablePanel>().ToList()[1].OnClick!();
+
+        Assert.Equal("War Magic: 285", title.LinesProvider()[0].Text);
+        Assert.Equal("Experience To Raise:", l1Label.LinesProvider()[0].Text);
+        Assert.Equal((11_100_000L).ToString("N0"), l1Value.LinesProvider()[0].Text);
+        Assert.Equal("Unassigned Experience:", l2Label.LinesProvider()[0].Text);
+        Assert.Equal((87_757_321_741L).ToString("N0"), l2Value.LinesProvider()[0].Text);
+    }
+
+    [Fact]
+    public void SkillsTab_SelectHealing_ShowsUntrainedSkillFooter()
+    {
+        var list = new UiPanel { Width = 300 };
+        var title = new UiText();
+        var l1Label = new UiText();
+        var l1Value = new UiText();
+        var l2Label = new UiText();
+        var l2Value = new UiText();
+        var btn1 = MakeButton();
+        var layout = Fake(
+            (CharacterStatController.ListBoxId, list),
+            (CharacterStatController.FooterTitleId, title),
+            (CharacterStatController.FooterLine1Label, l1Label),
+            (CharacterStatController.FooterLine1Value, l1Value),
+            (CharacterStatController.FooterLine2Label, l2Label),
+            (CharacterStatController.FooterLine2Value, l2Value),
+            (CharacterStatController.RaiseOneId, btn1));
+
+        CharacterStatController.Bind(layout, SampleData.SampleCharacter,
+            spriteResolve: id => (id, 16, 16));
+
+        ClickTab(layout, left: 92f);
+        list.Children.OfType<UiClickablePanel>().ToList()[5].OnClick!();
+
+        Assert.Equal("Healing", title.LinesProvider()[0].Text);
+        Assert.Equal("Skill Credits To Raise:", l1Label.LinesProvider()[0].Text);
+        Assert.Equal("6", l1Value.LinesProvider()[0].Text);
+        Assert.Equal("Skill Credits Available:", l2Label.LinesProvider()[0].Text);
+        Assert.Equal("96", l2Value.LinesProvider()[0].Text);
+        Assert.True(btn1.Visible);
+        Assert.Equal("Normal", btn1.ActiveState);
+    }
+
     [Fact]
     public void GetRaiseCost_Index4Focus_Returns110()
     {
@@ -899,6 +1018,15 @@ public class CharacterStatControllerTests
 
     // ── Helpers ──────────────────────────────────────────────────────────────
 
+    private static void ClickTab(ImportedLayout layout, float left)
+    {
+        var tab = layout.Root.Children.OfType<UiClickablePanel>()
+            .Single(p => System.Math.Abs(p.Left - left) < 0.5f
+                         && System.Math.Abs(p.Top) < 0.5f
+                         && System.Math.Abs(p.Height - 25f) < 0.5f);
+        tab.OnClick!();
+    }
+
     /// <summary>Manufacture a minimal UiButton with a fake ElementInfo (no dat sprites).</summary>
     private static UiButton MakeButton()
     {