[Add] Debugger Inventory & small ui fixes

Assets/Prefab/UI/Game Info/Game Info View.prefab

@@ -516,7 +516,7 @@ GameObject:
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
-  m_IsActive: 1
+  m_IsActive: 0
 --- !u!224 &2533462241018374848
 RectTransform:
   m_ObjectHideFlags: 0
@@ -740,7 +740,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 703621256034232799, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_SizeDelta.x
-      value: 122.6
+      value: 75
       objectReference: {fileID: 0}
     - target: {fileID: 703621256034232799, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_SizeDelta.y
@@ -776,7 +776,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 703621256034232799, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_AnchoredPosition.x
-      value: 61.302
+      value: 37.158817
       objectReference: {fileID: 0}
     - target: {fileID: 703621256034232799, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_AnchoredPosition.y
@@ -1019,7 +1019,7 @@ PrefabInstance:
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     - target: {fileID: 703621256034232799, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_SizeDelta.x
-      value: 77.396
+      value: 125
       objectReference: {fileID: 0}
     - target: {fileID: 703621256034232799, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_SizeDelta.y
@@ -1055,7 +1055,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 703621256034232799, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_AnchoredPosition.x
-      value: -38.698
+      value: -62.671
       objectReference: {fileID: 0}
     - target: {fileID: 703621256034232799, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_AnchoredPosition.y

Assets/Prefab/UI/Inventory/Inventory Slot.prefab

@@ -465,7 +465,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: UnityEngine.UI::UnityEngine.UI.Image
   m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.5188679, g: 0.5188679, b: 0.5188679, a: 1}
   m_RaycastTarget: 1
   m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1
@@ -655,7 +655,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: UnityEngine.UI::UnityEngine.UI.Image
   m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.2830189, g: 0.2830189, b: 0.2830189, a: 1}
   m_RaycastTarget: 1
   m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1
@@ -1450,15 +1450,15 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 3472307258458128773, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_fontColor.b
-      value: 0
+      value: 1
       objectReference: {fileID: 0}
     - target: {fileID: 3472307258458128773, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_fontColor.g
-      value: 0
+      value: 1
       objectReference: {fileID: 0}
     - target: {fileID: 3472307258458128773, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_fontColor.r
-      value: 0
+      value: 1
       objectReference: {fileID: 0}
     - target: {fileID: 3472307258458128773, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_fontSizeBase
@@ -1466,7 +1466,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 3472307258458128773, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_fontColor32.rgba
-      value: 4278190080
+      value: 4294967295
       objectReference: {fileID: 0}
     - target: {fileID: 3472307258458128773, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_VerticalAlignment

Assets/Prefab/UI/Inventory/Inventory View.prefab

@@ -243,7 +243,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: UnityEngine.UI::UnityEngine.UI.Image
   m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.7924528, g: 0.7924528, b: 0.7924528, a: 1}
   m_RaycastTarget: 1
   m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1

Assets/Prefab/UI/Shop/Shop Item View.prefab

@@ -65,7 +65,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: UnityEngine.UI::UnityEngine.UI.Image
   m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.4433962, g: 0.4433962, b: 0.4433962, a: 1}
   m_RaycastTarget: 1
   m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1
@@ -323,7 +323,7 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: UnityEngine.UI::UnityEngine.UI.Image
   m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.2924528, g: 0.2924528, b: 0.2924528, a: 1}
   m_RaycastTarget: 1
   m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1

Assets/Prefab/UI/Shop/ShopTooltipView.prefab

@@ -18,7 +18,7 @@ GameObject:
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
-  m_IsActive: 1
+  m_IsActive: 0
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 RectTransform:
   m_ObjectHideFlags: 0
@@ -38,7 +38,7 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0.5}
   m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 39.7049, y: -46.6634}
+  m_AnchoredPosition: {x: 512.5834, y: 300.2}
   m_SizeDelta: {x: 150, y: 150}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!114 &7291137291065553443
@@ -186,7 +186,8 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 3472307258458128773, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_text
-      value: Name
+      value: "\u0427\u0438\u0441\u0442\u044B\u0439 \u043C\u043D\u043E\u0436\u0438\u0442\u0435\u043B\u044C
+        x1.5"
       objectReference: {fileID: 0}
     - target: {fileID: 3472307258458128773, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_fontSize
@@ -327,7 +328,9 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 3472307258458128773, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_text
-      value: Description Text
+      value: "\u0423\u043C\u043D\u043E\u0436\u0430\u0435\u0442 \u0438\u0442\u043E\u0433\u043E\u0432\u044B\u0439
+        \u0441\u0447\u0435\u0442 \u043A\u0430\u0442\u0435\u0433\u043E\u0440\u0438\u0438
+        \u043D\u0430 1.5."
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@@ -476,7 +479,7 @@ PrefabInstance:
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     - target: {fileID: 3472307258458128773, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_text
-      value: 123
+      value: 'Price: 260'
       objectReference: {fileID: 0}
     - target: {fileID: 3472307258458128773, guid: 0829148555ff32841afde9f6193a0b72, type: 3}
       propertyPath: m_fontSize

Assets/Scenes/Scene.unity

@@ -2041,10 +2041,6 @@ PrefabInstance:
       propertyPath: m_Name
       value: Game Info View
       objectReference: {fileID: 0}
-    - target: {fileID: 5167299410648281090, guid: 010ebb8b9becf6b45930c5fb7a5c95e0, type: 3}
-      propertyPath: m_IsActive
-      value: 0
-      objectReference: {fileID: 0}
     m_RemovedComponents: []
     m_RemovedGameObjects: []
     m_AddedGameObjects: []

Assets/Scripts/Modifiers/Editor/ModifierDefinitionValidator.cs

@@ -1,224 +0,0 @@
-#if UNITY_EDITOR
-using System.Collections.Generic;
-using UnityEditor;
-using UnityEngine;
-using YachtDice.Modifiers.Definition;
-
-namespace YachtDice.Modifiers.Editor
-{
-    public static class ModifierDefinitionValidator
-    {
-        [MenuItem("YachtDice/Validate All Modifier Definitions")]
-        public static void ValidateAll()
-        {
-            string[] guids = AssetDatabase.FindAssets("t:ModifierDefinitionSO");
-
-            if (guids.Length == 0)
-            {
-                Debug.Log("[ModifierValidator] No ModifierDefinitionSO assets found.");
-                return;
-            }
-
-            var errorCount = 0;
-            var warnCount = 0;
-            var usedIds = new Dictionary<string, string>(); // id -> asset path
-
-            foreach (var t in guids)
-            {
-                var path = AssetDatabase.GUIDToAssetPath(t);
-                var def = AssetDatabase.LoadAssetAtPath<ModifierDefinition>(path);
-
-                if (def == null)
-                {
-                    Debug.LogError($"[ModifierValidator] Failed to load asset at {path}");
-                    errorCount++;
-                    continue;
-                }
-
-                // ── Id checks ────────────────────────────────────────
-
-                if (string.IsNullOrWhiteSpace(def.Id))
-                {
-                    Debug.LogError($"[ModifierValidator] {path}: Id is empty.", def);
-                    errorCount++;
-                }
-                else if (usedIds.TryGetValue(def.Id, out string existingPath))
-                {
-                    Debug.LogError($"[ModifierValidator] {path}: Duplicate Id '{def.Id}' (also used by {existingPath}).", def);
-                    errorCount++;
-                }
-                else
-                {
-                    usedIds[def.Id] = path;
-                }
-
-                // ── Economy checks ───────────────────────────────────
-
-                if (def.ShopPrice < 0)
-                {
-                    Debug.LogError($"[ModifierValidator] {path}: ShopPrice is negative ({def.ShopPrice}).", def);
-                    errorCount++;
-                }
-
-                if (def.SellPrice < 0)
-                {
-                    Debug.LogError($"[ModifierValidator] {path}: SellPrice is negative ({def.SellPrice}).", def);
-                    errorCount++;
-                }
-
-                if (def.SellPrice > def.ShopPrice && def.ShopPrice > 0)
-                {
-                    Debug.LogWarning($"[ModifierValidator] {path}: SellPrice ({def.SellPrice}) > ShopPrice ({def.ShopPrice}). Infinite money exploit?", def);
-                    warnCount++;
-                }
-
-                // ── Durability checks ────────────────────────────────
-
-                if (def.HasLimitedUses && def.MaxUses <= 0)
-                {
-                    Debug.LogError($"[ModifierValidator] {path}: HasLimitedUses is true but MaxUses is {def.MaxUses}.", def);
-                    errorCount++;
-                }
-
-                if (!def.HasLimitedUses && def.MaxUses > 0)
-                {
-                    Debug.LogWarning($"[ModifierValidator] {path}: HasLimitedUses is false but MaxUses is {def.MaxUses}. Ignored at runtime.", def);
-                    warnCount++;
-                }
-
-                if (def.MaxStacks < 1)
-                {
-                    Debug.LogError($"[ModifierValidator] {path}: MaxStacks must be >= 1 (is {def.MaxStacks}).", def);
-                    errorCount++;
-                }
-
-                // ── Behavior checks ──────────────────────────────────
-
-                if (def.Behaviors == null || def.Behaviors.Count == 0)
-                {
-                    Debug.LogWarning($"[ModifierValidator] {path}: No behaviors assigned. Modifier will do nothing.", def);
-                    warnCount++;
-                    continue;
-                }
-
-                for (int b = 0; b < def.Behaviors.Count; b++)
-                {
-                    var behavior = def.Behaviors[b];
-
-                    if (behavior == null)
-                    {
-                        Debug.LogError($"[ModifierValidator] {path}: Behavior slot [{b}] is null.", def);
-                        errorCount++;
-                        continue;
-                    }
-
-                    // Check for null conditions
-                    if (behavior.Conditions != null)
-                    {
-                        for (int c = 0; c < behavior.Conditions.Count; c++)
-                        {
-                            if (behavior.Conditions[c] == null)
-                            {
-                                Debug.LogWarning($"[ModifierValidator] {path}: Behavior '{behavior.name}' has null condition at slot [{c}].", behavior);
-                                warnCount++;
-                            }
-                        }
-                    }
-
-                    // Check for null or empty effects
-                    if (behavior.Effects == null || behavior.Effects.Count == 0)
-                    {
-                        Debug.LogWarning($"[ModifierValidator] {path}: Behavior '{behavior.name}' has no effects.", behavior);
-                        warnCount++;
-                    }
-                    else
-                    {
-                        for (int e = 0; e < behavior.Effects.Count; e++)
-                        {
-                            if (behavior.Effects[e] == null)
-                            {
-                                Debug.LogError($"[ModifierValidator] {path}: Behavior '{behavior.name}' has null effect at slot [{e}].", behavior);
-                                errorCount++;
-                            }
-                        }
-                    }
-                }
-
-                // ── Display checks ───────────────────────────────────
-
-                if (string.IsNullOrWhiteSpace(def.DisplayName))
-                {
-                    Debug.LogWarning($"[ModifierValidator] {path}: DisplayName is empty.", def);
-                    warnCount++;
-                }
-
-                if (string.IsNullOrWhiteSpace(def.Description))
-                {
-                    Debug.LogWarning($"[ModifierValidator] {path}: Description is empty.", def);
-                    warnCount++;
-                }
-            }
-
-            string summary = $"[ModifierValidator] Validated {guids.Length} modifier(s): {errorCount} error(s), {warnCount} warning(s).";
-
-            if (errorCount > 0)
-                Debug.LogError(summary);
-            else if (warnCount > 0)
-                Debug.LogWarning(summary);
-            else
-                Debug.Log(summary);
-        }
-
-        [MenuItem("YachtDice/Validate Modifier Catalog")]
-        public static void ValidateCatalog()
-        {
-            string[] guids = AssetDatabase.FindAssets("t:ModifierCatalogSO");
-
-            if (guids.Length == 0)
-            {
-                Debug.LogWarning("[ModifierValidator] No ModifierCatalogSO asset found. Create one via Create > YachtDice/Modifiers/Catalog.");
-                return;
-            }
-
-            for (int i = 0; i < guids.Length; i++)
-            {
-                string path = AssetDatabase.GUIDToAssetPath(guids[i]);
-                var catalog = AssetDatabase.LoadAssetAtPath<ModifierCatalog>(path);
-
-                if (catalog == null)
-                {
-                    Debug.LogError($"[ModifierValidator] Failed to load catalog at {path}");
-                    continue;
-                }
-
-                if (catalog.All == null || catalog.All.Count == 0)
-                {
-                    Debug.LogWarning($"[ModifierValidator] Catalog at {path} is empty.");
-                    continue;
-                }
-
-                int nullCount = 0;
-                var catalogIds = new HashSet<string>();
-
-                for (int j = 0; j < catalog.All.Count; j++)
-                {
-                    if (catalog.All[j] == null)
-                    {
-                        nullCount++;
-                        Debug.LogError($"[ModifierValidator] Catalog {path}: Null entry at index [{j}].", catalog);
-                        continue;
-                    }
-
-                    string id = catalog.All[j].Id;
-                    if (!catalogIds.Add(id))
-                    {
-                        Debug.LogError($"[ModifierValidator] Catalog {path}: Duplicate modifier Id '{id}' in catalog.", catalog);
-                    }
-                }
-
-                Debug.Log($"[ModifierValidator] Catalog {path}: {catalog.All.Count} entries, {nullCount} null.");
-            }
-        }
-    }
-}
-#endif

Assets/Scripts/Modifiers/Editor/ModifierDefinitionValidator.cs.meta

@@ -1,2 +0,0 @@
-fileFormatVersion: 2
-guid: 2f07f633fcb085e49890cec1280b4129

Assets/Scripts/Modifiers/Editor/ModifierInventoryDebugWindow.cs

@@ -0,0 +1,310 @@
+using System;
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+using YachtDice.Inventory;
+using YachtDice.Modifiers.Definition;
+using YachtDice.Modifiers.Runtime;
+
+namespace YachtDice.Modifiers.Editor
+{
+    public class ModifierInventoryDebugWindow : EditorWindow
+    {
+        private const double RepaintIntervalSeconds = 0.5d;
+
+        private readonly List<ModifierDefinition> _allDefinitions = new();
+
+        private Vector2 _catalogScroll;
+        private Vector2 _inventoryScroll;
+        private string _search = string.Empty;
+        private InventoryController _inventoryController;
+        private double _nextRepaintTime;
+
+        [MenuItem("YachtDice/Debug/Modifier Inventory")]
+        public static void Open()
+        {
+            var window = GetWindow<ModifierInventoryDebugWindow>("Modifier Debug");
+            window.minSize = new Vector2(700f, 400f);
+            window.RefreshDefinitions();
+            window.ResolveInventoryController();
+        }
+
+        private void OnEnable()
+        {
+            RefreshDefinitions();
+            ResolveInventoryController();
+            EditorApplication.playModeStateChanged += HandlePlayModeStateChanged;
+        }
+
+        private void OnDisable()
+        {
+            EditorApplication.playModeStateChanged -= HandlePlayModeStateChanged;
+        }
+
+        private void OnFocus()
+        {
+            RefreshDefinitions();
+            ResolveInventoryController();
+        }
+
+        private void OnHierarchyChange()
+        {
+            if (!Application.isPlaying)
+                return;
+
+            ResolveInventoryController();
+            Repaint();
+        }
+
+        private void Update()
+        {
+            if (EditorApplication.timeSinceStartup < _nextRepaintTime)
+                return;
+
+            _nextRepaintTime = EditorApplication.timeSinceStartup + RepaintIntervalSeconds;
+
+            if (Application.isPlaying && (_inventoryController == null || _inventoryController.Model == null))
+                ResolveInventoryController();
+
+            Repaint();
+        }
+
+        private void OnGUI()
+        {
+            DrawToolbar();
+
+            if (!Application.isPlaying)
+            {
+                EditorGUILayout.HelpBox("Enter Play Mode to edit runtime inventory state.", MessageType.Info);
+            }
+
+            var model = GetInventoryModel();
+            if (Application.isPlaying && model == null)
+            {
+                EditorGUILayout.HelpBox("InventoryController was not found in the scene.", MessageType.Warning);
+            }
+
+            DrawOwnedModifiers(model);
+            EditorGUILayout.Space(8f);
+            DrawDefinitionCatalog(model);
+        }
+
+        private void DrawToolbar()
+        {
+            using (new EditorGUILayout.HorizontalScope(EditorStyles.toolbar))
+            {
+                if (GUILayout.Button("Refresh Catalog", EditorStyles.toolbarButton))
+                    RefreshDefinitions();
+
+                if (GUILayout.Button("Find Inventory", EditorStyles.toolbarButton))
+                    ResolveInventoryController();
+
+                GUILayout.FlexibleSpace();
+                EditorGUILayout.LabelField("Search", GUILayout.Width(45f));
+                _search = EditorGUILayout.TextField(_search, GUILayout.Width(220f));
+            }
+        }
+
+        private void DrawOwnedModifiers(InventoryModel model)
+        {
+            EditorGUILayout.LabelField("Owned Modifiers", EditorStyles.boldLabel);
+
+            if (model == null)
+            {
+                EditorGUILayout.HelpBox("Inventory is unavailable.", MessageType.None);
+                return;
+            }
+
+            EditorGUILayout.LabelField($"Active slots: {model.ActiveCount}/{model.MaxActiveSlots}");
+
+            var snapshot = new List<ModifierInstance>(model.OwnedModifiers);
+            if (snapshot.Count == 0)
+            {
+                EditorGUILayout.HelpBox("Inventory is empty.", MessageType.None);
+                return;
+            }
+
+            _inventoryScroll = EditorGUILayout.BeginScrollView(_inventoryScroll, GUILayout.MinHeight(140f));
+
+            foreach (var instance in snapshot)
+            {
+                DrawOwnedModifierRow(model, instance);
+            }
+
+            EditorGUILayout.EndScrollView();
+        }
+
+        private void DrawOwnedModifierRow(InventoryModel model, ModifierInstance instance)
+        {
+            var definition = instance.Definition;
+            if (definition == null)
+            {
+                using (new EditorGUILayout.VerticalScope("box"))
+                {
+                    EditorGUILayout.LabelField("<missing definition>", EditorStyles.boldLabel);
+                    if (GUILayout.Button("Remove", GUILayout.Width(90f)))
+                        model.RemoveModifier(instance);
+                }
+
+                return;
+            }
+
+            var state = instance.IsActive ? "Active" : "Inactive";
+            var uses = definition.HasLimitedUses
+                ? $"Uses: {instance.RemainingUses}/{definition.MaxUses}"
+                : "Uses: infinite";
+
+            using (new EditorGUILayout.VerticalScope("box"))
+            {
+                EditorGUILayout.LabelField(BuildDefinitionLabel(definition), EditorStyles.boldLabel);
+                EditorGUILayout.LabelField($"State: {state} | {uses}");
+
+                using (new EditorGUILayout.HorizontalScope())
+                {
+                    using (new EditorGUI.DisabledScope(instance.IsActive))
+                    {
+                        if (GUILayout.Button("Activate", GUILayout.Width(90f)))
+                        {
+                            if (!model.TryActivate(instance))
+                                Debug.LogWarning($"[ModifierDebug] Failed to activate '{definition.Id}'. Check slot limits.");
+                        }
+                    }
+
+                    using (new EditorGUI.DisabledScope(!instance.IsActive))
+                    {
+                        if (GUILayout.Button("Deactivate", GUILayout.Width(90f)))
+                            model.Deactivate(instance);
+                    }
+
+                    if (GUILayout.Button("Remove", GUILayout.Width(90f)))
+                        model.RemoveModifier(instance);
+                }
+            }
+        }
+
+        private void DrawDefinitionCatalog(InventoryModel model)
+        {
+            EditorGUILayout.LabelField("All Modifier Definitions", EditorStyles.boldLabel);
+            EditorGUILayout.LabelField($"Loaded assets: {_allDefinitions.Count}");
+
+            if (_allDefinitions.Count == 0)
+            {
+                EditorGUILayout.HelpBox("No ModifierDefinition assets found.", MessageType.Warning);
+                return;
+            }
+
+            _catalogScroll = EditorGUILayout.BeginScrollView(_catalogScroll);
+
+            var loweredSearch = string.IsNullOrWhiteSpace(_search)
+                ? string.Empty
+                : _search.Trim().ToLowerInvariant();
+
+            for (var i = 0; i < _allDefinitions.Count; i++)
+            {
+                var definition = _allDefinitions[i];
+                if (definition == null)
+                    continue;
+
+                if (!MatchesSearch(definition, loweredSearch))
+                    continue;
+
+                DrawDefinitionRow(model, definition);
+            }
+
+            EditorGUILayout.EndScrollView();
+        }
+
+        private void DrawDefinitionRow(InventoryModel model, ModifierDefinition definition)
+        {
+            var uses = definition.HasLimitedUses ? $"limited ({definition.MaxUses})" : "permanent";
+
+            using (new EditorGUILayout.HorizontalScope("box"))
+            {
+                EditorGUILayout.LabelField($"{BuildDefinitionLabel(definition)} | {uses}");
+
+                using (new EditorGUI.DisabledScope(model == null))
+                {
+                    if (GUILayout.Button("Add", GUILayout.Width(90f)))
+                        model.AddModifier(definition);
+                }
+            }
+        }
+
+        private static bool MatchesSearch(ModifierDefinition definition, string loweredSearch)
+        {
+            if (string.IsNullOrEmpty(loweredSearch))
+                return true;
+
+            var id = definition.Id ?? string.Empty;
+            var displayName = definition.DisplayName ?? string.Empty;
+            return id.IndexOf(loweredSearch, StringComparison.OrdinalIgnoreCase) >= 0
+                || displayName.IndexOf(loweredSearch, StringComparison.OrdinalIgnoreCase) >= 0;
+        }
+
+        private static string BuildDefinitionLabel(ModifierDefinition definition)
+        {
+            var displayName = string.IsNullOrWhiteSpace(definition.DisplayName)
+                ? "<unnamed>"
+                : definition.DisplayName;
+            var id = string.IsNullOrWhiteSpace(definition.Id)
+                ? "<no-id>"
+                : definition.Id;
+            return $"{displayName} [{id}]";
+        }
+
+        private InventoryModel GetInventoryModel()
+        {
+            if (!Application.isPlaying)
+                return null;
+
+            if (_inventoryController == null)
+                ResolveInventoryController();
+
+            return _inventoryController != null ? _inventoryController.Model : null;
+        }
+
+        private void ResolveInventoryController()
+        {
+            if (!Application.isPlaying)
+            {
+                _inventoryController = null;
+                return;
+            }
+
+            _inventoryController = FindObjectOfType<InventoryController>();
+        }
+
+        private void RefreshDefinitions()
+        {
+            _allDefinitions.Clear();
+
+            var guids = AssetDatabase.FindAssets("t:ModifierDefinition");
+            for (var i = 0; i < guids.Length; i++)
+            {
+                var path = AssetDatabase.GUIDToAssetPath(guids[i]);
+                var definition = AssetDatabase.LoadAssetAtPath<ModifierDefinition>(path);
+                if (definition != null)
+                    _allDefinitions.Add(definition);
+            }
+
+            _allDefinitions.Sort((a, b) =>
+            {
+                var nameComparison = string.Compare(a.DisplayName, b.DisplayName, StringComparison.OrdinalIgnoreCase);
+                if (nameComparison != 0)
+                    return nameComparison;
+                return string.Compare(a.Id, b.Id, StringComparison.OrdinalIgnoreCase);
+            });
+        }
+
+        private void HandlePlayModeStateChanged(PlayModeStateChange change)
+        {
+            if (change == PlayModeStateChange.EnteredPlayMode)
+                ResolveInventoryController();
+
+            if (change == PlayModeStateChange.ExitingPlayMode || change == PlayModeStateChange.EnteredEditMode)
+                _inventoryController = null;
+
+            Repaint();
+        }
+    }
+}

Assets/Scripts/Modifiers/Editor/ModifierInventoryDebugWindow.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 4a8b096304878c94e83fb2a8c711a969