feat(command): route use X on Y to the combination engine

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Semesterprojekt/src/main/java/thb/jeanluc/adventure/command/impl/UseCommand.java

@@ -1,6 +1,7 @@
 package thb.jeanluc.adventure.command.impl;
 
 import thb.jeanluc.adventure.command.Command;
+import thb.jeanluc.adventure.game.Combinations;
 import thb.jeanluc.adventure.game.GameContext;
 import thb.jeanluc.adventure.model.item.Item;
 
@@ -20,6 +21,10 @@ public class UseCommand implements Command {
             ctx.getIo().write("Use what?");
             return;
         }
+        if (args.size() >= 2) {
+            Combinations.tryUse(ctx, args.get(0), args.get(1));
+            return;
+        }
         String itemId = args.getFirst();
         Optional<Item> item = ctx.getPlayer().findItem(itemId);
         if (item.isEmpty()) {
@@ -34,6 +39,6 @@ public class UseCommand implements Command {
 
     @Override
     public String help() {
-        return "use <item>  -  use an item (read it, switch it on/off, ...)";
+        return "use <item>  -  use an item; or  use <item> on <item>  to combine them";
     }
 }