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.Core.Net.Tests/WorldSessionChatTests.cs

@@ -77,6 +77,18 @@ public sealed class WorldSessionChatTests
         Assert.Throws<ArgumentNullException>(() => session.SendTalk(null!));
     }
 
+    [Fact]
+    public void SendSoulEmote_EmitsRetailGameAction()
+    {
+        using var session = NewSession();
+        byte[]? captured = null;
+        session.GameActionCapture = body => captured = body;
+
+        session.SendSoulEmote("waves.");
+
+        Assert.Equal(ClientCommandRequests.BuildSoulEmote(1u, "waves."), captured);
+    }
+
     [Fact]
     public void SendTeleportToLifestone_EmitsRetailGameAction()
     {