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

Content.Shared/NameModifier/Components/ModifyWearerNameComponent.cs

@@ -0,0 +1,25 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.NameModifier.Components;
+
+/// <summary>
+/// Adds a modifier to the wearer's name when this item is equipped,
+/// and removes it when it is unequipped.
+/// </summary>
+[RegisterComponent, NetworkedComponent]
+[AutoGenerateComponentState]
+public sealed partial class ModifyWearerNameComponent : Component
+{
+    /// <summary>
+    /// The localization ID of the text to be used as the modifier.
+    /// The base name will be passed in as <c>$baseName</c>
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public LocId LocId = string.Empty;
+
+    /// <summary>
+    /// Priority of the modifier. See <see cref="EntitySystems.RefreshNameModifiersEvent"/> for more information.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public int Priority;
+}