Inventory sprite rotation (#22201)

Content.Shared/Item/ItemComponent.cs

@@ -2,6 +2,7 @@ using Content.Shared.Hands.Components;
 using Robust.Shared.GameStates;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Serialization;
+using Robust.Shared.Utility;
 
 namespace Content.Shared.Item;
 
@@ -41,6 +42,18 @@ public sealed partial class ItemComponent : Component
     /// </summary>
     [DataField, AutoNetworkedField]
     public List<Box2i>? Shape;
+
+    /// <summary>
+    /// A sprite used to depict this entity specifically when it is displayed in the storage UI.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public SpriteSpecifier? StoredSprite;
+
+    /// <summary>
+    /// An additional angle offset, in degrees, applied to the visual depiction of the item when displayed in the storage UI.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public float StoredRotation = 0;
 }
 
 [Serializable, NetSerializable]