def generate_schedule_options_node(state: AgentState) -> dict[str, Any]:
    options = generate_schedule_options(state["booking_details"], repository)
    lines = ["Great—please choose one of these optimized appointments:"]
    for index, option in enumerate(options, 1):
        lines.append(f"{index}. {option.start_at} ({option.technician_id})")
    return {
        "time_options": options,
        "status": "awaiting_slot_selection",
        "messages": [AIMessage(content="\n".join(lines))],
    }