Missing using added

Assets/Resources/UI/ItemSelectionUI.uxml

@@ -1,25 +1,21 @@
 <ui:UXML xmlns:ui="UnityEngine.UIElements" xmlns:uie="UnityEditor.UIElements" editor-extension-mode="False">
+    <Style src="project://database/Assets/UI/ItemSelectionUI.uss?fileID=7433441132597879392&amp;guid=12690c2c1a79f3b4ebb0d1ddb390ff55&amp;type=3#ItemSelectionUI" />
     <ui:VisualElement name="ItemSelectionContainer" class="item-selection-container">
         <ui:VisualElement name="ItemSelectionModal" class="item-selection-modal">
             <ui:VisualElement name="Header" class="header">
                 <ui:Label name="TitleLabel" text="Select Item" class="title" />
                 <ui:Button name="CloseButton" text="×" class="close-button" />
             </ui:VisualElement>
-            
             <ui:VisualElement name="Content" class="content">
                 <ui:Label name="CharacterLabel" text="Character Name" class="character-label" />
                 <ui:Label name="InstructionLabel" text="Choose an item to use:" class="instruction-label" />
-                
                 <ui:ScrollView name="ItemScrollView" class="item-scroll-view">
-                    <ui:VisualElement name="ItemList" class="item-list">
-                    </ui:VisualElement>
+                    <ui:VisualElement name="ItemList" class="item-list" />
                 </ui:ScrollView>
-                
                 <ui:VisualElement name="NoItemsContainer" class="no-items-container" style="display: none;">
                     <ui:Label text="No usable items available" class="no-items-label" />
                 </ui:VisualElement>
             </ui:VisualElement>
-            
             <ui:VisualElement name="Footer" class="footer">
                 <ui:Button name="CancelButton" text="Cancel" class="cancel-button" />
                 <ui:Label name="HelpText" text="Press ESC to cancel" class="help-text" />

Assets/Resources/UI/ItemSelectionUI_Fixed.uxml

@@ -1,25 +1,21 @@
 <ui:UXML xmlns:ui="UnityEngine.UIElements" xmlns:uie="UnityEditor.UIElements" editor-extension-mode="False">
+    <Style src="project://database/Assets/UI/ItemSelectionUI.uss?fileID=7433441132597879392&amp;guid=12690c2c1a79f3b4ebb0d1ddb390ff55&amp;type=3#ItemSelectionUI" />
     <ui:VisualElement name="ItemSelectionContainer" class="item-selection-container">
         <ui:VisualElement name="ItemSelectionModal" class="item-selection-modal">
             <ui:VisualElement name="Header" class="header">
                 <ui:Label name="TitleLabel" text="Select Item" class="title" />
                 <ui:Button name="CloseButton" text="×" class="close-button" />
             </ui:VisualElement>
-            
             <ui:VisualElement name="Content" class="content">
                 <ui:Label name="CharacterLabel" text="Character Name" class="character-label" />
                 <ui:Label name="InstructionLabel" text="Choose an item to use:" class="instruction-label" />
-                
                 <ui:ScrollView name="ItemScrollView" class="item-scroll-view">
-                    <ui:VisualElement name="ItemList" class="item-list">
-                    </ui:VisualElement>
+                    <ui:VisualElement name="ItemList" class="item-list" />
                 </ui:ScrollView>
-                
                 <ui:VisualElement name="NoItemsContainer" class="no-items-container" style="display: none;">
                     <ui:Label text="No usable items available" class="no-items-label" />
                 </ui:VisualElement>
             </ui:VisualElement>
-            
             <ui:VisualElement name="Footer" class="footer">
                 <ui:Button name="CancelButton" text="Cancel" class="cancel-button" />
                 <ui:Label name="HelpText" text="Press ESC to cancel" class="help-text" />

Assets/Resources/UI/ItemSelectionUI_Simple.uxml

@@ -1,4 +1,5 @@
-<ui:UXML xmlns:ui="UnityEngine.UIElements">
+<ui:UXML xmlns:ui="UnityEngine.UIElements" editor-extension-mode="False">
+    <Style src="project://database/Assets/UI/ItemSelectionUI.uss?fileID=7433441132597879392&amp;guid=12690c2c1a79f3b4ebb0d1ddb390ff55&amp;type=3#ItemSelectionUI" />
     <ui:VisualElement name="ItemSelectionContainer">
         <ui:VisualElement name="ItemSelectionModal">
             <ui:Label name="TitleLabel" text="Select Item" />

Assets/Scripts/Debug/BattleSceneDebugHelper.cs

@@ -1,3 +1,4 @@
+using System.Linq;
 using UnityEngine;
 using UnityEngine.SceneManagement;