Added UID parameter

Now you can delete other player's weapons with UID
Usage: /clearwp [uid]

src/main/java/emu/grasscutter/command/commands/ClearWeaponsCommand.java

 package emu.grasscutter.command.commands;
 
+import emu.grasscutter.Grasscutter;
 import emu.grasscutter.command.Command;
 import emu.grasscutter.command.CommandHandler;
 import emu.grasscutter.game.GenshinPlayer;
@@ -10,20 +11,41 @@ import java.util.List;
 
 @Command(label = "clearweapons", usage = "clearweapons",
         description = "Deletes all unequipped and unlocked weapons, including yellow rarity ones from your inventory",
-        aliases = {"clearwpns"}, permission = "player.clearweapons")
+        aliases = {"clearwp"}, permission = "player.clearweapons")
 public final class ClearWeaponsCommand implements CommandHandler {
 
     @Override
     public void execute(GenshinPlayer sender, List<String> args) {
         if (sender == null) {
             CommandHandler.sendMessage(null, "Run this command in-game.");
-            return; // TODO: clear player's weapons from console or other players
+            return;
         }
 
-        Inventory playerInventory = sender.getInventory();
+        int target;
+        if (args.size() == 1) {
+            try {
+                target = Integer.parseInt(args.get(0));
+                if (Grasscutter.getGameServer().getPlayerByUid(target) == null) {
+                    target = sender.getUid();
+                }
+            } catch (NumberFormatException e) {
+                CommandHandler.sendMessage(sender, "Invalid player id.");
+                return;
+            }
+        } else {
+            target = sender.getUid();
+        }
+        GenshinPlayer targetPlayer = Grasscutter.getGameServer().getPlayerByUid(target);
+        if (targetPlayer == null) {
+            CommandHandler.sendMessage(sender, "Player not found.");
+            return;
+        }
+
+        Inventory playerInventory = targetPlayer.getInventory();
         playerInventory.getItems().values().stream()
                 .filter(item -> item.getItemType() == ItemType.ITEM_WEAPON)
                 .filter(item -> !item.isLocked() && !item.isEquipped())
                 .forEach(item -> playerInventory.removeItem(item, item.getCount()));
+        sender.dropMessage("Cleared weapons for " + targetPlayer.getNickname() + " .");
     }
 }