Handle durability via Divinity stats while preserving vanilla bar

src/main/java/studio/magemonkey/divinity/manager/listener/object/ItemDurabilityListener.java

@@ -1,5 +1,8 @@
 package studio.magemonkey.divinity.manager.listener.object;
 
+import org.bukkit.inventory.meta.Damageable;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.event.player.PlayerItemMendEvent;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.entity.LivingEntity;
@@ -113,4 +116,51 @@ public void onDuraHoe(PlayerInteractEvent e) {
             }
         }
     }
+
+    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
+    public void onMend(PlayerItemMendEvent e) {
+
+        ItemStack item = e.getItem();
+
+        if (!ItemStats.hasStat(item, null, TypedStat.Type.DURABILITY)) return;
+
+        double[] durability = duraStat.getRaw(item);
+        if (durability == null) return;
+
+        if (duraStat.isUnbreakable(item)) return;
+
+        double current = durability[0];
+        double max = durability[1];
+
+        int vanillaMax = item.getType().getMaxDurability();
+        if (vanillaMax <= 0) return;
+
+        int repair = e.getRepairAmount();
+
+        double customRepair = ((double) repair / vanillaMax) * max;
+
+        double newValue = current + customRepair;
+
+        if (newValue > max) {
+            newValue = max;
+        }
+
+        newValue = Math.round(newValue * 100.0) / 100.0;
+
+        duraStat.add(item, new double[]{newValue, max}, -1);
+        duraStat.syncVanillaBar(item, newValue, max);
+
+        e.setCancelled(true);
+
+        Damageable damageable = (Damageable) item.getItemMeta();
+
+        int vanillaDamage = damageable.getDamage();
+
+        if (vanillaDamage == 0) {
+            duraStat.add(item, new double[]{max, max}, -1);
+            duraStat.syncVanillaBar(item, max, max);
+            e.setCancelled(true);
+            return;
+        }
+    }
 }

src/main/java/studio/magemonkey/divinity/stats/items/attributes/stats/DurabilityStat.java

@@ -1,5 +1,7 @@
 package studio.magemonkey.divinity.stats.items.attributes.stats;
 
+
+import org.bukkit.inventory.meta.Damageable;
 import org.bukkit.NamespacedKey;
 import org.bukkit.Sound;
 import org.bukkit.enchantments.Enchantment;
@@ -155,12 +157,37 @@ public boolean reduceDurability(
             }
         }
 
-        return this.add(item, new double[]{lose, max}, -1);
+        boolean result = this.add(item, new double[]{lose, max}, -1);
+
+        if (result) {
+            syncVanillaBar(item, lose, max);
+        }
+
+        return result;
+
     }
 
     @Override
     @NotNull
     public String formatValue(@NotNull ItemStack item, double[] values) {
         return EngineCfg.getDurabilityFormat((int) values[0], (int) values[1]);
     }
+    public void syncVanillaBar(@NotNull ItemStack item, double current, double maxCustom) {
+
+    ItemMeta meta = item.getItemMeta();
+    if (!(meta instanceof org.bukkit.inventory.meta.Damageable)) return;
+
+    org.bukkit.inventory.meta.Damageable damageable =
+            (org.bukkit.inventory.meta.Damageable) meta;
+
+    int maxVanilla = item.getType().getMaxDurability();
+    if (maxVanilla <= 0) return;
+
+    double percent = current / maxCustom;
+    int vanillaDamage = (int) ((1.0 - percent) * maxVanilla);
+
+    damageable.setDamage(vanillaDamage);
+    item.setItemMeta((ItemMeta) damageable);
 }
+
+}