新增: SFTP直连+网站预览+OSS区域嗅探+热键+BGM播放

internal/storage/sqlite.go

@@ -53,10 +53,14 @@ func InitFast() (*gorm.DB, error) {
 		sqlDB.SetMaxIdleConns(1)
 		sqlDB.SetConnMaxLifetime(time.Hour)
 
-		if e := db.AutoMigrate(&models.AppConfig{}, &models.ConnectionProfile{}); e != nil {
+		if e := db.AutoMigrate(&models.AppConfig{}, &models.ConnectionProfile{}, &models.DownloadCache{}, &models.BgmPlaylist{}); e != nil {
 			initErr = e
 			return
 		}
+		// 数据迁移：qiniu/aliyun → oss + provider
+		db.Exec("UPDATE connection_profiles SET provider = type, type = 'oss' WHERE type IN ('qiniu', 'aliyun')")
+		// 为旧 BGM 播放列表补充 profile_id（找第一个 OSS profile）
+		db.Exec("UPDATE bgm_playlist SET profile_id = (SELECT CAST(id AS VARCHAR) FROM connection_profiles WHERE type = 'oss' LIMIT 1) WHERE (profile_id = '' OR profile_id IS NULL) AND path NOT LIKE '%:'")
 		globalDB = db
 	})
 	if initErr != nil {