BGTaskSchedulerPermittedIdentifiers io.nekohasekai.sfa.update_profiles ITSAppUsesNonExemptEncryption NSUbiquitousContainers iCloud.io.nekohasekai.sfa NSUbiquitousContainerIsDocumentScopePublic NSUbiquitousContainerName sing-box NSUbiquitousContainerSupportedFolderLevels Any UIBackgroundModes fetch