fix(client): restore retail interaction parity

Harden keyboard and camera routing, inventory and vendor interactions, chat/emotes, relog portal flow, and paperdoll rendering. Add retail research, connected gate coverage, and release-gate validation.

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

@@ -1156,6 +1156,28 @@ public class CharacterStatControllerTests
             Assert.Equal(RetailUiStateIds.Open, Assert.IsAssignableFrom<IUiDatStateful>(child).ActiveRetailStateId));
     }
 
+    [Fact]
+    public void ProgrammaticShowTab_UsesTheSameAuthoredStateAsAKeyboardAction()
+    {
+        ImportedLayout layout = FixtureLoader.LoadCharacter();
+        var attributes = Assert.IsType<UiText>(
+            layout.FindElement(CharacterStatController.TabAttribId));
+        var skills = Assert.IsType<UiText>(
+            layout.FindElement(CharacterStatController.TabSkillsId));
+        CharacterStatController.Binding binding = CharacterStatController.Bind(
+            layout,
+            SampleData.SampleCharacter,
+            spriteResolve: id => (id, 16, 16));
+
+        binding.ShowTab(CharacterStatController.CharacterStatTab.Skills);
+
+        Assert.Equal(
+            CharacterStatController.CharacterStatTab.Skills,
+            binding.CurrentTab());
+        Assert.Equal(RetailUiStateIds.Closed, attributes.ActiveRetailStateId);
+        Assert.Equal(RetailUiStateIds.Open, skills.ActiveRetailStateId);
+    }
+
     /// <summary>
     /// CT3 (2026-08-24): unlike Attributes/Skills (which share ONE mounted
     /// page and only rebind its content), the Titles page (0x10000539) is a
@@ -1267,7 +1289,7 @@ public class CharacterStatControllerTests
 
         CharacterSheet sheet = SampleData.SampleCharacter();
         Action refresh = CharacterStatController.Bind(layout, () => sheet,
-            spriteResolve: id => (id, 16, 16));
+            spriteResolve: id => (id, 16, 16)).Refresh;
 
         ClickTab(layout, left: 92f);
         var untrained = sheet.Skills.First(