/* eslint-disable */
/**
 * 审计日志增加 actor_id（操作人用户 ID 关联）。username 保留为当时显示名快照。
 */

exports.up = (pgm) => {
  pgm.sql(`ALTER TABLE audit_logs ADD COLUMN IF NOT EXISTS actor_id TEXT;`);
  pgm.sql(`CREATE INDEX IF NOT EXISTS idx_audit_actor ON audit_logs(actor_id);`);
};

exports.down = (pgm) => {
  pgm.sql(`DROP INDEX IF EXISTS idx_audit_actor;`);
  pgm.sql(`ALTER TABLE audit_logs DROP COLUMN IF EXISTS actor_id;`);
};