ios-data

【文档与办公】iOS data persistence expert skill covering SwiftData (@Model, ModelContainer, @Query, #Predicate, migrations, CloudKit), Core Data (NSPersistentContainer, NSFetchRequest, batch operations, CloudKit), UserDefaults/@AppStorage, FileManager (app sandbox directories), Keychain for sensitive data, iCloud key-value storage, and SQLite/GRDB. Use this skill …

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