refactor(net): converge live session state reset

src/AcDream.UI.Abstractions/Panels/Vitals/VitalsVM.cs

@@ -55,8 +55,8 @@ public sealed class VitalsVM
 
     /// <summary>
     /// Push the authoritative local-player GUID from <c>WorldSession</c>.
-    /// One-way setter — only <c>GameWindow</c> should call it, exactly once
-    /// per live session.
+    /// The host assigns it after character selection and resets it to zero at
+    /// session teardown.
     /// </summary>
     public void SetLocalPlayerGuid(uint guid) => _localPlayerGuid = guid;