feat(game): publish HUD (location, gold, turn) each loop iteration

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

Semesterprojekt/src/main/java/thb/jeanluc/adventure/game/Game.java

@@ -5,6 +5,7 @@ import thb.jeanluc.adventure.command.Command;
 import thb.jeanluc.adventure.command.CommandParser;
 import thb.jeanluc.adventure.command.CommandRegistry;
 import thb.jeanluc.adventure.command.ParsedCommand;
+import thb.jeanluc.adventure.io.text.Hud;
 
 import java.util.Optional;
 
@@ -28,10 +29,14 @@ public class Game {
     /** Loop flag. Flipped to false by {@link #stop()}. */
     private boolean running = true;
 
+    /** Number of commands processed this session; shown in the HUD. */
+    private int turn = 0;
+
     /**
      * Runs the loop until {@link #stop()} is called or input is exhausted.
      */
     public void run() {
+        publishHud();
         while (running) {
             String input = ctx.getIo().readLine();
             if (input == null) {
@@ -46,8 +51,18 @@ public class Game {
                 ctx.getIo().write("I don't understand '" + parsed.verb() + "'. Type 'help'.");
             } else {
                 cmd.get().execute(ctx, parsed.args());
+                turn++;
+            }
+            publishHud();
         }
     }
+
+    private void publishHud() {
+        ctx.getIo().setHud(new Hud(
+                ctx.getPlayer().getCurrentRoom().getName(),
+                ctx.getPlayer().getGold(),
+                turn,
+                false));
     }
 
     /**