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Assets/Inventory/Scripts/InventoryEvents.cs

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+using UnityEngine;
+using UnityEngine.Events;
+
+/// <summary>
+/// События инвентаря - используй UnityEvent для подписки из любого скрипта
+/// </summary>
+public class InventoryEvents : MonoBehaviour
+{
+    public static InventoryEvents Instance { get; private set; }
+
+    [Header("Item Events")]
+    /// <param name="itemId">ID предмета</param>
+    /// <param name="amount">Количество</param>
+    public UnityEvent<string, int> OnItemAdded;
+
+    /// <param name="itemId">ID предмета</param>
+    /// <param name="amount">Количество</param>
+    public UnityEvent<string, int> OnItemRemoved;
+
+    /// <param name="itemId">ID предмета</param>
+    /// <param name="amount">Новое количество</param>
+    public UnityEvent<string, int> OnItemCountChanged;
+
+    [Header("Slot Events")]
+    /// <param name="slotIndex">Индекс слота</param>
+    /// <param name="itemId">ID предмета (null если пусто)</param>
+    public UnityEvent<int, string> OnSlotChanged;
+
+    [Header("Inventory State")]
+    public UnityEvent OnInventoryOpened;
+    public UnityEvent OnInventoryClosed;
+
+    void Awake()
+    {
+        if (Instance == null)
+        {
+            Instance = this;
+            DontDestroyOnLoad(gameObject);
+        }
+        else
+        {
+            Destroy(gameObject);
+        }
+    }
+
+    // Удобные методы для вызова событий
+    public void InvokeItemAdded(string itemId, int amount)
+    {
+        OnItemAdded?.Invoke(itemId, amount);
+    }
+
+    public void InvokeItemRemoved(string itemId, int amount)
+    {
+        OnItemRemoved?.Invoke(itemId, amount);
+    }
+
+    public void InvokeItemCountChanged(string itemId, int newAmount)
+    {
+        OnItemCountChanged?.Invoke(itemId, newAmount);
+    }
+
+    public void InvokeSlotChanged(int slotIndex, string itemId)
+    {
+        OnSlotChanged?.Invoke(slotIndex, itemId);
+    }
+}