axiom-storage
iOS Storage Guide
Purpose: Navigation hub for ALL storage decisions — database vs files, local vs cloud, specific locations iOS Version: iOS 17+ (iOS 26+ for latest features) Context: Complete storage decision framework integrating SwiftData (WWDC 2023), CKSyncEngine (WWDC 2023), and file management best practices
When to Use This Skill
✅ Use this skill when:
- Starting a new project and choosing storage approach
- Asking "where should I store this data?"
- Deciding between SwiftData, Core Data, SQLite, or files
- Choosing between CloudKit and iCloud Drive for sync
- Determining Documents vs Caches vs Application Support
- Planning data architecture for offline/online scenarios
- Migrating from one storage solution to another
- Debugging "files disappeared" or "data not syncing"
❌ Do NOT use this skill for:
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