-- 移除不再使用的扩展列（数据已迁移到 search.db）
-- SQLite 3.35.0+ 支持 ALTER TABLE DROP COLUMN

-- 先删除引用这些列的索引
DROP INDEX IF EXISTS idx_albums_cleaned;

ALTER TABLE albums DROP COLUMN tags;
ALTER TABLE albums DROP COLUMN all_words;
ALTER TABLE albums DROP COLUMN person_name_original;
ALTER TABLE albums DROP COLUMN person_name_cleaned;
ALTER TABLE albums DROP COLUMN raw_title;