fix: handle legacy lore lines without §§ prefix in smartSetLore

Items leveled by older LevelTools versions don't have the §§ lore prefix, causing duplicate lore entries when the new version appends instead of replacing. Adds fallback detection by progress bar pattern and level label.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: JobsonMarinho

src/main/java/me/byteful/plugin/leveltools/util/LevelToolsUtil.java

@@ -19,6 +19,7 @@
 import net.md_5.bungee.api.ChatMessageType;
 import net.md_5.bungee.api.chat.TextComponent;
 import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
 import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Player;
@@ -261,9 +262,17 @@ private static void smartSetLore(@NotNull ItemMeta meta, @NotNull List<String> t
             return;
         }
 
-        final int[] bounds = findPrefixBounds(lore);
-        final int start = bounds[0];
-        final int end = bounds[1];
+        int[] bounds = findPrefixBounds(lore);
+        int start = bounds[0];
+        int end = bounds[1];
+
+        // Fallback: detect old LevelTools lore lines (without §§ prefix) by progress bar pattern
+        if (start == -1) {
+            bounds = findLegacyBounds(lore);
+            start = bounds[0];
+            end = bounds[1];
+        }
+
         if (start == -1) {
             lore.addAll(toAdd);
             meta.setLore(lore);
@@ -298,6 +307,36 @@ private static int[] findPrefixBounds(@NotNull List<String> lore) {
         return arr;
     }
 
+    private static int[] findLegacyBounds(@NotNull List<String> lore) {
+        final int[] arr = new int[]{-1, -1};
+        for (int i = 0; i < lore.size(); i++) {
+            final String stripped = ChatColor.stripColor(colorize(lore.get(i)));
+            if (stripped != null && stripped.matches("^\\[\\|+.*\\].*$")) {
+                // Found a progress bar line from old LevelTools format
+                // Walk backwards to find the start (skip empty lines and level label)
+                int scanStart = i;
+                for (int j = i - 1; j >= 0; j--) {
+                    String prev = ChatColor.stripColor(colorize(lore.get(j)));
+                    if (prev == null || prev.trim().isEmpty()) {
+                        scanStart = j;
+                        continue;
+                    }
+                    if (prev.matches(".*(?:Level|Nível|Nivel).*:\\s*\\d+.*")) {
+                        scanStart = j;
+                        continue;
+                    }
+                    break;
+                }
+                if (arr[0] == -1 || scanStart < arr[0]) {
+                    arr[0] = scanStart;
+                }
+                arr[1] = i;
+            }
+        }
+
+        return arr;
+    }
+
     public static void handleReward(LevelToolsItem tool, Player player) {
         Material material = tool.getItemStack().getType();
         ItemProfile itemProfile = getItemProfile(material);