feat(chat): port retail client command families

Expand the typed client-command boundary across travel, character queries, local UI and layout controls, AFK and consent, emotes, friends, squelch and filters, and fill-components. Preserve retail packet layouts and queue ownership, import the confirmation dialog, and keep authoritative social state in Core.

Co-Authored-By: Codex <codex@openai.com>

src/AcDream.App/Input/PlayerMovementController.cs

@@ -136,6 +136,7 @@ public sealed class PlayerMovementController
     public Vector3 Position => _body.Position;
     public Vector3 RenderPosition => ComputeRenderPosition();
     public uint CellId { get; private set; }
+    public AcDream.Core.Physics.Position CellPosition => _body.CellPosition;
 
     /// <summary>
     /// Local-player entity id used to skip self-collision in the