"""Compatible command entry point; imports do not initialize runtime data."""

from logistics_chat import create_app
from logistics_chat.knowledge import knowledge_list, search_knowledge
from logistics_chat.pricing import (
    RATES, CBM_CHANNELS, parse_dims, parse_shipping_intent, detect_dim_unit,
    dims_to_cm, pick_rate, calc_warehouse_card, detect_surcharge, check_island,
    surcharge_reply, calc_freight, freight_reply,
)
from logistics_chat.tracking import (
    CARD_PREFIX, card_to_text, is_tracking_no, extract_tracking_no, build_track,
)


def __getattr__(name):
    # Preserve WSGI loaders that explicitly request am.app; plain imports stay inert.
    if name == 'app':
        application = create_app()
        globals()['app'] = application
        return application
    raise AttributeError(name)


def main():
    from logistics_chat.runtime import serve_app
    serve_app(create_app())


if __name__ == '__main__':
    main()