811de2a863
- _get_product_interface: resolve product -> resource_module -> interface dict - get_product_display_info: delegate to resource module pricing display - check_product_availability: delegate to resource module availability check - check_product_consumable: delegate to resource module pre-consumption check - execute_product / execute_product_stream: delegate to resource module service execution - calculate_product_cost: delegate to resource module cost calculation - Register all dispatchers on ServerEnv in load_product_management()