Refactor command error messages for clarity and improve player name resolution in KillCommand

Author: Crazygiscool

src/main/java/me/crazyg/everything/CommandManager.java

@@ -1,13 +1,13 @@
 package me.crazyg.everything;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.TabCompleter;
 
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
 
 public class CommandManager implements CommandExecutor, TabCompleter {
     private final Map<String, CommandExecutor> commands = new HashMap<>();
@@ -26,7 +26,7 @@ public boolean onCommand(CommandSender sender, Command command, String label, St
         if (executor != null) {
             return executor.onCommand(sender, command, label, args);
         }
-        sender.sendMessage("Unknown command.");
+        sender.sendMessage("Unknown command: " + command.getName());
         return false;
     }
 

src/main/java/me/crazyg/everything/commands/KillCommand.java

@@ -44,8 +44,8 @@ public boolean onCommand(CommandSender sender, Command command, String label, St
                             .color(NamedTextColor.DARK_RED)
                             .decorate(TextDecoration.BOLD));
                 } catch (IllegalArgumentException ex) {
-                    // Not a selector, try as player name
-                    Player target = Bukkit.getServer().getPlayerExact(selector);
+                    // Not a selector, try as player name (case-insensitive, partial match)
+                    Player target = Bukkit.getServer().getPlayer(selector);
                     if (target == null) {
                         p.sendMessage(Component.text("This Player is not online")
                                 .color(NamedTextColor.RED));