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.Runtime.Tests/Gameplay/RuntimeInventoryStateTests.cs

@@ -128,6 +128,26 @@ public sealed class RuntimeInventoryStateTests
         Assert.Empty(inventory.Shortcuts.Items);
     }
 
+    [Fact]
+    public void RemovingAnObjectRetiresRetailOpenedCorpseHistory()
+    {
+        using var entities = new RuntimeEntityObjectLifetime();
+        using var inventory = new RuntimeInventoryState(entities);
+        const uint corpse = 0x70000020u;
+        inventory.Objects.AddOrUpdate(new ClientObject
+        {
+            ObjectId = corpse,
+            PublicWeenieBitfield = (uint)PublicWeenieFlags.Corpse,
+        });
+        inventory.ExternalContainers.RequestOpen(corpse, isCorpse: true);
+        Assert.True(inventory.ExternalContainers.HasCorpseBeenOpened(corpse));
+
+        Assert.True(inventory.Objects.Remove(corpse));
+
+        Assert.False(inventory.ExternalContainers.HasCorpseBeenOpened(corpse));
+        Assert.Equal(0, inventory.CaptureOwnership().OpenedCorpseCount);
+    }
+
     [Fact]
     public void DisposalFailureIsReportedAfterTerminalOwnerConvergence()
     {