Port Dogtags from CD and fix some minor issues with it.

Content.Server/_CD/Engraving/EngraveableComponent.cs

@@ -0,0 +1,32 @@
+namespace Content.Server._CD.Engraving;
+
+/// <summary>
+///     Allows an items' description to be modified with an engraving
+/// </summary>
+[RegisterComponent, Access(typeof(EngraveableSystem))]
+public sealed partial class EngraveableComponent : Component
+{
+    /// <summary>
+    ///     Message given to user to notify them a message was sent
+    /// </summary>
+    [DataField]
+    public string EngravedMessage = string.Empty;
+
+    /// <summary>
+    ///     The inspect text to use when there is no engraving
+    /// </summary>
+    [DataField]
+    public LocId NoEngravingText = "engraving-dogtags-no-message";
+
+    /// <summary>
+    ///     The message to use when successfully engraving the item
+    /// </summary>
+    [DataField]
+    public LocId EngraveSuccessMessage = "engraving-dogtags-succeed";
+
+    /// <summary>
+    ///     The inspect text to use when there is an engraving. The message will be shown seperately afterwards.
+    /// </summary>
+    [DataField]
+    public LocId HasEngravingText = "engraving-dogtags-has-message";
+}

Content.Server/_CD/Engraving/EngraveableSystem.cs

@@ -0,0 +1,83 @@
+using Content.Server.Administration;
+using Content.Server.Administration.Logs;
+using Content.Server.Popups;
+using Content.Shared.Database;
+using Content.Shared.Popups;
+using Content.Shared.Examine;
+using Content.Shared.Verbs;
+using Robust.Shared.Player;
+using Robust.Shared.Utility;
+
+namespace Content.Server._CD.Engraving;
+
+public sealed class EngraveableSystem : EntitySystem
+{
+    [Dependency] private readonly IAdminLogManager _adminLogger = default!;
+    [Dependency] private readonly PopupSystem _popup = default!;
+    [Dependency] private readonly QuickDialogSystem _dialog = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<EngraveableComponent, ExaminedEvent>(OnExamined);
+        SubscribeLocalEvent<EngraveableComponent, GetVerbsEvent<ActivationVerb>>(AddEngraveVerb);
+    }
+
+    private void OnExamined(Entity<EngraveableComponent> ent, ref ExaminedEvent args)
+    {
+        var msg = new FormattedMessage();
+        msg.AddMarkupOrThrow(Loc.GetString(ent.Comp.EngravedMessage == string.Empty
+            ? ent.Comp.NoEngravingText
+            : ent.Comp.HasEngravingText));
+
+        if (ent.Comp.EngravedMessage != string.Empty)
+            msg.AddMarkupPermissive(Loc.GetString(ent.Comp.EngravedMessage));
+
+        args.PushMessage(msg, 1);
+    }
+
+    private void AddEngraveVerb(Entity<EngraveableComponent> ent, ref GetVerbsEvent<ActivationVerb> args)
+    {
+        // First check if it's already been engraved. If it has, don't let them do it again.
+        if (ent.Comp.EngravedMessage != string.Empty)
+            return;
+
+        // We need an actor to give the verb.
+        if (!EntityManager.TryGetComponent(args.User, out ActorComponent? actor))
+            return;
+
+        // Make sure ghosts can't engrave stuff.
+        if (!args.CanInteract)
+            return;
+
+        var engraveVerb = new ActivationVerb
+        {
+            Text = Loc.GetString("engraving-verb-engrave"),
+            Act = () =>
+            {
+                _dialog.OpenDialog(actor.PlayerSession,
+                    Loc.GetString("engraving-verb-engrave"),
+                    Loc.GetString("engraving-popup-ui-message"),
+                    (string message) =>
+                    {
+                        // If either the actor or comp have magically vanished
+                        if (actor.PlayerSession.AttachedEntity == null || !HasComp<EngraveableComponent>(ent))
+                            return;
+
+                        ent.Comp.EngravedMessage = message;
+                        _popup.PopupEntity(Loc.GetString(ent.Comp.EngraveSuccessMessage),
+                            actor.PlayerSession.AttachedEntity.Value,
+                            actor.PlayerSession,
+                            PopupType.Medium);
+                        _adminLogger.Add(LogType.Action,
+                            LogImpact.Low,
+                            $"{ToPrettyString(actor.PlayerSession.AttachedEntity):player} engraved an item with message: {message}");
+                    });
+            },
+            Impact = LogImpact.Low,
+        };
+        engraveVerb.Impact = LogImpact.Low;
+        args.Verbs.Add(engraveVerb);
+    }
+}

Resources/Locale/en-US/_CD/engraving/engraving.ftl

@@ -0,0 +1,6 @@
+engraving-verb-engrave = Engrave
+engraving-popup-ui-message = Description
+
+engraving-dogtags-no-message = The dogtags don't seem to have any kind of engraving.
+engraving-dogtags-has-message = The dogtags are engraved with a message that reads:{" "}
+engraving-dogtags-succeed = You successfully engrave the dogtags with your message.

Resources/Prototypes/Loadouts/loadout_groups.yml

@@ -50,6 +50,7 @@
   - SilverRing # DeltaV
   - Cane # DeltaV
   - WhiteCane #DeltaV
+  - CDDogtags # _CD
 
 - type: loadoutGroup
   id: Glasses

Resources/Prototypes/_CD/Entities/Objects/Misc/dogtags.yml

@@ -0,0 +1,14 @@
+- type: entity
+  id: CDDogtags
+  parent: ClothingNeckBase 
+  name: dogtags
+  description: A set of dogtags, hanging from a small piece of cord for wearing and carrying.
+  components:
+  - type: Sprite
+    sprite: _CD/Objects/Misc/dogtags.rsi
+    layers:
+    - state: dogtag
+  - type: Clothing
+    sprite: _CD/Objects/Misc/dogtags.rsi
+  - type: Appearance
+  - type: Engraveable

Resources/Prototypes/_CD/Loadouts/Miscellaneous/trinkets.yml

@@ -0,0 +1,5 @@
+- type: loadout
+  id: CDDogtags
+  storage:
+    back:
+    - CDDogtags

Resources/Textures/_CD/Objects/Misc/dogtags.rsi/meta.json

@@ -0,0 +1,18 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Taken from cmss13 at https://github.com/cmss13-devs/cmss13/blob/a2d5ca6e69725341f0fa261a4a3f89c737e843b3/icons/obj/items/card.dmi",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "states": [
+        {
+            "name": "dogtag"
+        },
+        {
+            "name": "equipped-NECK",
+            "directions": 4
+        }
+    ]
+}