Restructured for new direction.

Assets/Scripts/Framework/Managers/Player/Data/Codex/CodexTrigger.cs

@@ -1,3 +1,8 @@
+using System.Collections.Generic;
+using BriarQueen.Data.Identifiers;
+using BriarQueen.Data.IO.Saves;
+using BriarQueen.Framework.Events.Save;
+using BriarQueen.Framework.Events.UI;
 using BriarQueen.Framework.Managers.Levels.Data;
 using BriarQueen.Framework.Managers.UI;
 using Cysharp.Threading.Tasks;
@@ -28,6 +33,12 @@ namespace BriarQueen.Framework.Managers.Player.Data.Codex
         {
             if (!CheckEmptyHands())
                 return;
+
+            if (!PlayerManager.CodexUnlocked())
+            {
+                EventCoordinator.PublishImmediate(new DisplayInteractEvent(InteractEventIDs.Get(ItemInteractKey.CodexLocked)));
+                return;
+            }
             
             PlayerManager.UnlockCodexEntry(_codexEntry);
 
@@ -36,5 +47,20 @@ namespace BriarQueen.Framework.Managers.Player.Data.Codex
                 await Remove();
             }
         }
+
+        protected override void UpdateSaveGameOnRemoval()
+        {
+            var save = SaveManager.CurrentSave;
+            Debug.Log($"[Base Item] Found save - {save.SaveFileName}");
+
+            save.RemovedItems ??= new List<ItemSaveData>();
+
+            save.RemovedItems.Add(new ItemSaveData
+            {
+                UniqueIdentifier = _codexEntry.UniqueID
+            });
+
+            EventCoordinator.PublishImmediate(new RequestGameSaveEvent());
+        }
     }
 }