Add a system for modifying entity names without causing conflicts (#27863)

Content.Shared/NameModifier/Components/NameModifierComponent.cs

@@ -0,0 +1,20 @@
+using Content.Shared.NameModifier.EntitySystems;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.NameModifier.Components;
+
+/// <summary>
+/// Used to manage modifiers on an entity's name and handle renaming in a way
+/// that survives being renamed by multiple systems.
+/// </summary>
+[RegisterComponent]
+[NetworkedComponent, AutoGenerateComponentState]
+[Access(typeof(NameModifierSystem))]
+public sealed partial class NameModifierComponent : Component
+{
+    /// <summary>
+    /// The entity's name without any modifiers applied.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public string BaseName = string.Empty;
+}