-- 生产数据重置脚本：清空所有生产数据，保留基础配置（设备/配方/产品/PLC信号/用户/角色）
DELETE FROM micrometer_measurement;
DELETE FROM inspection_image;
DELETE FROM alarm;
DELETE FROM manual_action;
DELETE FROM event_log;
DELETE FROM job_step_instance;
DELETE FROM task_log;
DELETE FROM task;
DELETE FROM job;
DELETE FROM work_order;
UPDATE equipment_slot SET status = 'EMPTY', current_job_id = null, occupied_at = null;
UPDATE equipment SET occupied_by = '', occupied_reason = '', occupied_at = null;