-- energy_alter_frontend.sql
ALTER TABLE energy_bill ADD COLUMN cooperation_type TINYINT DEFAULT NULL COMMENT '合作模式（1=预充值 2=月结算）' AFTER station_name;
ALTER TABLE energy_station_config ADD COLUMN auto_match TINYINT DEFAULT 1 COMMENT '自动匹配开关（0=关闭 1=开启）' AFTER cooperation_type;
