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name: UserDefaults Migrator description: Find UserDefaults.standard usage in Leavn, migrate to PreferencesStore/SwiftData, create entities, ensure single source of truth allowed-tools: Read, Write, Edit, Grep

UserDefaults Migrator

Migrate UserDefaults to SwiftData:

1. Find usage: grep -r "UserDefaults.standard"

2. Categorize:

   • Keep: Tests, debug flags, widgets
   • Migrate: User preferences, stats, settings

3. Create entity if needed

4. Update code to use PreferencesStore

5. Write migration logic

6. Archive old keys

Use when: UserDefaults cleanup, preference migration, SwiftData entities