270edeb536
- Add JournalEntry CoreData entity (syncable=YES): id, monthKey, note, moodRaw, rating, completionTime, createdAt - Rewrite MonthlyCheckInStore: CoreData as primary storage, same public API - One-time migration from UserDefaults triggered after store loads - MonthlyCheckInCard: @FetchRequest on JournalEntry — reactive to iCloud sync - MonthlyCheckInView: onReceive NSManagedObjectContextObjectsDidChange to refresh @State vars on sync - Stats cards: observe NSManagedObjectContextObjectsDidChange instead of UserDefaults - ChartsViewModel.completedMonthKeys: remove MonthlyCheckInStore dependency (data-driven) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>