Use typed durability for item instantiation

Assets/Scripts/ServerShared/ItemManager.cs

@@ -262,7 +262,7 @@ public class ItemManager
         {
             return new EquippableItem
             {
-                Data = CreateReference(item), Quality = quality, Durability = equippableItemData.Durability
+                Data = CreateReference(item), Quality = quality, Durability = GetInitialDurability(equippableItemData)
             };
         }
 
@@ -273,6 +273,12 @@ public class ItemManager
         };
         return newCommodity;
     }
+
+    private float GetInitialDurability(EquippableItemData item)
+    {
+        var typedItem = GetRuntimeItem(item.ID);
+        return typedItem?.Durability > 0 ? (float)typedItem.Durability : item.Durability;
+    }
     
     public CraftedItemInstance CreateInstance(CraftedItemData item)
     {

docs/aetheria-perfect-machine-map.md

@@ -230,7 +230,9 @@ legacy catalog cache, and legacy UI paths should be migration-only or deleted.
   max durability only, with current runtime durability as the generic
   denominator for incomplete typed rows. `ItemManager.Evaluate` also uses typed
   runtime item max durability and item names when evaluating unequipped
-  performance stats.
+  performance stats. `ItemManager.CreateInstance(CraftedItemData, float)`
+  initializes new equippable runtime durability from the typed runtime item row;
+  `EquippableItemData.Durability` is only an incomplete-row fallback.
   Inventory drag preview occupancy now projects typed item shape cells only into
   the local `Shape` grid, and final fit/equip acceptance shares the typed
   runtime catalog geometry path in `Entity.ItemFits` and `TryEquip`.
@@ -759,6 +761,9 @@ First Aetheria surfaces to publish:
    - Done: move unequipped `ItemManager.Evaluate` durability/name inputs onto
      typed runtime item rows; legacy `EquippableItemData.Durability` no longer
      owns that stat-evaluation path.
+   - Done: move new equippable instance durability initialization onto typed
+     runtime item rows; legacy `EquippableItemData.Durability` remains only as
+     an incomplete-row fallback in the instantiation bridge.
    - Done: move `Ship` drag, combat/turret predicted shot height, and thruster
      torque geometry onto typed hull facets and typed shape masks.
    - Done: delete the console `give` command instead of preserving a debug