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/SelectedObjectControllerTests.cs

@@ -94,6 +94,8 @@ public class SelectedObjectControllerTests
         public readonly Dictionary<uint, bool>   HasHealthMap    = new();
         public readonly Dictionary<uint, float>  ManaMap         = new();
         public readonly Dictionary<uint, uint>   StackMap        = new();
+        public readonly Dictionary<uint, bool>   CoinstackMap    = new();
+        public int CoinTotal;
         // Slice 6.2: vendor-owned split-exempt predicate — see
         // SelectedObjectController.Bind's isVendorSplitExempt parameter.
         public readonly Dictionary<uint, bool>   VendorSplitExemptMap = new();
@@ -139,7 +141,9 @@ public class SelectedObjectControllerTests
                 {
                     if (ObjectUpdatedHandler == h) ObjectUpdatedHandler = null;
                 },
-                isVendorSplitExempt: g => VendorSplitExemptMap.TryGetValue(g, out var v) && v);
+                isVendorSplitExempt: g => VendorSplitExemptMap.TryGetValue(g, out var v) && v,
+                isCoinstack: g => CoinstackMap.TryGetValue(g, out var v) && v,
+                coinTotal: () => CoinTotal);
     }
 
     // ── B1: Bind initialisation ──────────────────────────────────────────────
@@ -165,6 +169,25 @@ public class SelectedObjectControllerTests
         Assert.True(nameEl.ZOrder > 1000, "name element must be floated above the overlay/meter z-order");
     }
 
+    [Fact]
+    public void OwnedCoinstack_usesRetailsExactStackNameAndTotalFormat()
+    {
+        var (layout, nameEl, _, _) = FakeLayout();
+        var h = new Harness { CoinTotal = 12_345 };
+        const uint coins = 0x50000111u;
+        h.NameMap[coins] = "Pyreals";
+        h.StackMap[coins] = 2_345u;
+        h.OwnedMap[coins] = true;
+        h.CoinstackMap[coins] = true;
+        h.Bind(layout);
+
+        h.FireSelection(coins);
+
+        Assert.Equal(
+            "2345 Pyreals (of 12345)",
+            nameEl.Children.OfType<UiText>().First().LinesProvider().Single().Text);
+    }
+
     [Fact]
     public void Bind_nameLinesProvider_yieldsEmpty_whenNothingSelected()
     {