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.Tests/Chat/ChatCommandTargetStateTests.cs

@@ -17,6 +17,22 @@ public sealed class ChatCommandTargetStateTests
         Assert.Equal("Caith", targets.LastOutgoingTellTarget);
     }
 
+    [Fact]
+    public void TracksIndependentMonarchAndPatronReplyTargetsFromLegacyBroadcasts()
+    {
+        var chat = new ChatLog();
+        using var targets = new ChatCommandTargetState(chat);
+
+        // 0x0147 does not carry a sender GUID; the incoming sender name is
+        // nevertheless authoritative for retail's monarch/patron reply keys.
+        chat.OnChannelBroadcast(0x4000u, "Monarch", "orders");
+        chat.OnChannelBroadcast(0x2000u, "Patron", "hello");
+        chat.OnChannelBroadcast(0x4000u, "New Monarch", "new orders");
+
+        Assert.Equal("New Monarch", targets.LastMonarchSender);
+        Assert.Equal("Patron", targets.LastPatronSender);
+    }
+
     [Fact]
     public void ResetSessionForgetsTargetsButPreservesTranscript()
     {
@@ -29,6 +45,8 @@ public sealed class ChatCommandTargetStateTests
 
         Assert.Null(targets.LastIncomingTellSender);
         Assert.Null(targets.LastOutgoingTellTarget);
+        Assert.Null(targets.LastMonarchSender);
+        Assert.Null(targets.LastPatronSender);
         Assert.Equal(2, chat.Count);
     }
 

tests/AcDream.Core.Tests/Chat/InventoryFailureMessagesTests.cs

@@ -32,6 +32,12 @@ public sealed class InventoryFailureMessagesTests
     [InlineData(
         InventoryRequestKind.SplitToContainer, "Arrows", 0x36u,
         "The Arrows can't be split - action cancelled")]
+    [InlineData(
+        InventoryRequestKind.Move, "Sword", 0u,
+        "The Sword can't be moved")]
+    [InlineData(
+        InventoryRequestKind.Wield, "Sword", 0x1Du,
+        "The Sword can't be wielded - you're too busy")]
     public void ComposeMatchesServerSaysAttemptFailed(
         InventoryRequestKind kind,
         string name,