fix: remove all unused imports, fields, and variables across codebase

nickcore-paper/src/main/java/com/nickcore/paper/NickCorePlugin.java

@@ -125,7 +125,7 @@ public final class NickCorePlugin extends JavaPlugin {
         Bukkit.getPluginManager().registerEvents(chatService, this);
         Bukkit.getPluginManager().registerEvents(guiManager, this);
         Bukkit.getPluginManager().registerEvents(
-                new CommandPreprocessListener(nameOverrideService, getLogger()), this);
+                new CommandPreprocessListener(nameOverrideService), this);
         Bukkit.getPluginManager().registerEvents(
                 new TabCompleteListener(nameOverrideService), this);
 

nickcore-paper/src/main/java/com/nickcore/paper/command/NickCommand.java

@@ -1,6 +1,5 @@
 package com.nickcore.paper.command;
 
-import com.nickcore.common.model.NickHistory;
 import com.nickcore.common.model.NickProfile;
 import com.nickcore.common.validation.InputSanitizer;
 import com.nickcore.paper.gui.GuiManager;
@@ -39,7 +38,6 @@ public final class NickCommand implements CommandExecutor, TabCompleter {
     private static final String PERM_RESET = "nickcore.reset";
     private static final String PERM_RANK = "nickcore.rank.select";
     private static final String PERM_SKIN = "nickcore.skin.select";
-    private static final String PERM_ADMIN = "nickcore.admin";
     private static final String PERM_RELOAD = "nickcore.reload";
     private static final String PERM_FORCE = "nickcore.force";
     private static final String PERM_INFO = "nickcore.info";

nickcore-paper/src/main/java/com/nickcore/paper/gui/GuiManager.java

@@ -54,7 +54,7 @@ public final class GuiManager implements Listener {
 
     public void openRankMenu(Player player) {
         RankMenuGui gui = new RankMenuGui(player, this, nickService, rankService,
-                profileCache, placeholderService, nametagService);
+                placeholderService, nametagService);
         openGuis.put(player.getUniqueId(), gui);
         gui.open();
     }
@@ -67,7 +67,7 @@ public final class GuiManager implements Listener {
 
     @EventHandler
     public void onInventoryClick(InventoryClickEvent event) {
-        if (!(event.getWhoClicked() instanceof Player player)) return;
+        if (!(event.getWhoClicked() instanceof Player)) return;
         if (!(event.getInventory().getHolder() instanceof AbstractGui gui)) return;
         gui.handleClick(event);
     }

nickcore-paper/src/main/java/com/nickcore/paper/gui/RankMenuGui.java

@@ -1,8 +1,6 @@
 package com.nickcore.paper.gui;
 
-import com.nickcore.common.model.NickProfile;
 import com.nickcore.common.model.RankDefinition;
-import com.nickcore.paper.cache.ProfileCache;
 import com.nickcore.paper.service.NickService;
 import com.nickcore.paper.service.NametagService;
 import com.nickcore.paper.service.PlaceholderService;
@@ -24,20 +22,18 @@ public final class RankMenuGui extends AbstractGui {
     private final GuiManager guiManager;
     private final NickService nickService;
     private final RankService rankService;
-    private final ProfileCache profileCache;
     private final PlaceholderService placeholderService;
     private final NametagService nametagService;
     private final MiniMessage mm = MiniMessage.miniMessage();
     private int page = 0;
 
     public RankMenuGui(Player viewer, GuiManager guiManager, NickService nickService,
-                       RankService rankService, ProfileCache profileCache,
-                       PlaceholderService placeholderService, NametagService nametagService) {
+                       RankService rankService, PlaceholderService placeholderService,
+                       NametagService nametagService) {
         super(viewer, 54, Component.text("Select Rank", NamedTextColor.GOLD, TextDecoration.BOLD));
         this.guiManager = guiManager;
         this.nickService = nickService;
         this.rankService = rankService;
-        this.profileCache = profileCache;
         this.placeholderService = placeholderService;
         this.nametagService = nametagService;
     }

nickcore-paper/src/main/java/com/nickcore/paper/listener/CommandPreprocessListener.java

@@ -9,9 +9,6 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerCommandPreprocessEvent;
 
 import java.util.Objects;
-import java.util.logging.Logger;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 /**
  * Intercepts player commands and replaces nick names with real names before dispatch.
@@ -25,14 +22,9 @@ import java.util.regex.Pattern;
 public final class CommandPreprocessListener implements Listener {
 
     private final NameOverrideService nameOverrideService;
-    private final Logger logger;
 
-    /** Pattern to split command into parts while preserving structure. */
-    private static final Pattern WORD_BOUNDARY = Pattern.compile("\\s+");
-
-    public CommandPreprocessListener(NameOverrideService nameOverrideService, Logger logger) {
+    public CommandPreprocessListener(NameOverrideService nameOverrideService) {
         this.nameOverrideService = Objects.requireNonNull(nameOverrideService);
-        this.logger = Objects.requireNonNull(logger);
     }
 
     @EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)

nickcore-paper/src/main/java/com/nickcore/paper/listener/PlayerConnectionListener.java

@@ -1,11 +1,8 @@
 package com.nickcore.paper.listener;
 
 import com.nickcore.common.model.NickProfile;
-import com.nickcore.common.validation.InputSanitizer;
 import com.nickcore.paper.service.*;
 import com.nickcore.paper.scheduler.SchedulerAdapter;
-import net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.minimessage.MiniMessage;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -29,7 +26,6 @@ public final class PlayerConnectionListener implements Listener {
     private final NameOverrideService nameOverrideService;
     private final SchedulerAdapter scheduler;
     private final Logger logger;
-    private final MiniMessage mm = MiniMessage.miniMessage();
 
     public PlayerConnectionListener(Plugin plugin, NickService nickService,
                                      SkinService skinService, PlaceholderService placeholderService,

nickcore-paper/src/main/java/com/nickcore/paper/service/NameOverrideService.java

@@ -4,7 +4,6 @@ import com.nickcore.common.model.NickProfile;
 import com.nickcore.paper.cache.ProfileCache;
 
 import net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.minimessage.MiniMessage;
 
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
@@ -28,7 +27,6 @@ import java.util.concurrent.ConcurrentHashMap;
 public final class NameOverrideService {
 
     private final ProfileCache profileCache;
-    private final MiniMessage miniMessage = MiniMessage.miniMessage();
 
     /** nick (lowercase) -> real player UUID */
     private final ConcurrentHashMap<String, UUID> nickToUuid = new ConcurrentHashMap<>(512);