(Feat) add crafting discovery + notification + inventory tool tips

Assets/GAME/Script/Inventory/HotbarUI.cs

@@ -24,6 +24,10 @@ namespace Ashwild.Inventory
         [Header("Context Menu")]
         [SerializeField] private SlotContextMenu contextMenu;
 
+        [Header("Hover Description")]
+        [Tooltip("Same panel used by the inventory — assign the shared HoverDescriptionUI here too.")]
+        [SerializeField] private HoverDescriptionUI hoverDescription;
+
         private PlayerInventory inventory;
         private Tweener scaleTween;
         private Tweener alphaTween;
@@ -51,7 +55,7 @@ namespace Ashwild.Inventory
         {
             // Visual setup that does not need the player.
             for (int i = 0; i < hotbarSlot.Length; i++)
-                hotbarSlot[i].Initialize(i, InventoryUI.OnSwapRequested, OnSlotClicked);
+                hotbarSlot[i].Initialize(i, InventoryUI.OnSwapRequested, OnSlotClicked, OnSlotHoverEnter, OnSlotHoverExit);
 
             transform.localScale = Vector3.one * idleScale;
             if (canvasGroup != null)
@@ -167,6 +171,40 @@ namespace Ashwild.Inventory
                 hotbarSlot[index].UpdateVisual(inventory.GetSlot(index));
         }
 
+        /// <summary>
+        /// Shows the shared description panel for a hovered hotbar slot, but only while the inventory
+        /// is open — during normal play the hotbar must not pop a description. The duration bar
+        /// reflects the item's remaining uses/durability.
+        /// </summary>
+        private void OnSlotHoverEnter(int index)
+        {
+            if (hoverDescription == null || inventory == null || !PlayerEvents.IsInventoryOpen) return;
+
+            InventorySlot slot = inventory.GetSlot(index);
+            if (slot == null || slot.IsEmpty)
+            {
+                hoverDescription.Hide();
+                return;
+            }
+
+            ItemData item = slot.ItemData;
+            bool hasDuration = item.HasUses;
+            float fill = hasDuration ? (float)slot.CurrentUses / item.MaxUses : 0f;
+            string durationText = hasDuration ? $"{slot.CurrentUses} / {item.MaxUses}" : string.Empty;
+
+            hoverDescription.Show(new ItemDescriptionView(
+                item.Icon, item.ItemName, item.Description, hasDuration, fill, durationText));
+        }
+
+        /// <summary>
+        /// Hides the description panel when the pointer leaves a hotbar slot.
+        /// </summary>
+        private void OnSlotHoverExit()
+        {
+            if (hoverDescription != null)
+                hoverDescription.Hide();
+        }
+
         private void UpdateSelection(int selectedIndex)
         {
             for (int i = 0; i < hotbarSlot.Length; i++)