UserDefaults Migrator
SKILL.md
UserDefaults Migrator
Migrate UserDefaults to SwiftData:
-
Find usage:
grep -r "UserDefaults.standard" -
Categorize:
- Keep: Tests, debug flags, widgets
- Migrate: User preferences, stats, settings
-
Create entity if needed
-
Update code to use PreferencesStore
-
Write migration logic
-
Archive old keys
Use when: UserDefaults cleanup, preference migration, SwiftData entities