ninja 2 electric boogaloo (#15534)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/Implants/AutoImplantSystem.cs

@@ -0,0 +1,21 @@
+using Content.Server.Implants.Components;
+
+namespace Content.Server.Implants;
+
+public sealed class AutoImplantSystem : EntitySystem
+{
+    [Dependency] private readonly SubdermalImplantSystem _subdermalImplant = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<AutoImplantComponent, MapInitEvent>(OnMapInit);
+    }
+
+    private void OnMapInit(EntityUid uid, AutoImplantComponent comp, MapInitEvent args)
+    {
+        _subdermalImplant.AddImplants(uid, comp.Implants);
+        RemComp<AutoImplantComponent>(uid);
+    }
+}

Content.Server/Implants/Components/AutoImplantComponent.cs

@@ -0,0 +1,17 @@
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.List;
+
+namespace Content.Server.Implants.Components;
+
+/// <summary>
+/// Implants an entity automatically on MapInit.
+/// </summary>
+[RegisterComponent]
+public sealed partial class AutoImplantComponent : Component
+{
+    /// <summary>
+    /// List of implants to inject.
+    /// </summary>
+    [DataField("implants", required: true, customTypeSerializer: typeof(PrototypeIdListSerializer<EntityPrototype>))]
+    public List<string> Implants = new();
+}