def round_menu(data, war, campaign, rnd):
    while True:
        print(f"\n=== Round {rnd['number']} ===")
        print("1. Enter choices and pairing")
        print("2. Enter battle results")
        print("3. Finish round")
        print("4. Edit/Delete round")
        print("0. Back")

        choice = input("> ").strip()

        if choice == "1":
            enter_choices(data, war, campaign, rnd)

        elif choice == "2":
            enter_battle_results(data, war, campaign, rnd)

        elif choice == "0":
            return

def enter_choices(data, war, campaign, rnd):
    print("Entering choices (placeholder)")
    # later:
    # - list campaign participants
    # - input primary / secondary sector
    # - store in rnd["choices"]

def enter_battle_results(data, war, campaign, rnd):
    print("Entering battle results (placeholder)")
    # later:
    # - list battles
    # - select winner
    # - apply scoring