Update app.py

app.py

@@ -301,6 +301,7 @@ async def handle_action(request: Request):
                     game["challenge"]["status"] = "choose"
                     game["challenge"]["challenger"] = player
                     game["challenge"]["target"] = acting_player["name"]
+                    acting_player["coins"] += 3
                     return {"success": True, "message": f"Challenge failed. {player} must choose a card to lose.", "challenge": game["challenge"]}
                 else:
                     game["challenge"]["status"] = "choose"