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.

src/AcDream.Core.Net/WorldSession.cs

@@ -2681,6 +2681,13 @@ public sealed class WorldSession : IDisposable
         SendGameAction(ClientCommandRequests.BuildEmote(seq, message));
     }
 
+    public void SendSoulEmote(string message)
+    {
+        ArgumentNullException.ThrowIfNull(message);
+        uint seq = NextGameActionSequence();
+        SendGameAction(ClientCommandRequests.BuildSoulEmote(seq, message));
+    }
+
     /// <summary>
     /// Send retail SetSingleCharacterOption (0x0005) — toggles one character
     /// option. For the six <c>ListenTo*Chat</c> ids this is the message that