def prompt_choice(prompt: str, options: list) -> int:
    print(prompt)
    for i, opt in enumerate(options, 1):
        print(f"  {i}. {opt}")

    while True:
        try:
            s = input(f"Enter choice (1-{len(options)}): ").strip()
            idx = int(s) - 1
            if 0 <= idx < len(options):
                return idx
        except Exception:
            pass
        print(f"Invalid. Enter a number between 1-{len(options)}.")

def prompt_confirmation(question: str, default="y"):
    s = input(f"{question} (y/n) [{default}]: ").strip().lower()
    if not s:
        s = default
    return s.startswith("y")

def search_programs():
    base = Path(__file__).parent / "triplaprograms"
    if not base.exists():
        return []
    return sorted([f for f in base.glob("*.tripla")])