- Add GOOGLE_DATA_SOVEREIGNTY.md: comprehensive plan for secure local storage
of Gmail, Drive, Photos, Calendar data with client-side encryption
- Add LOCAL_FILE_UPLOAD.md: multi-item upload tool with same encryption model
for local files (images, PDFs, documents, audio, video)
- Update OFFLINE_STORAGE_FEASIBILITY.md to reference new docs
Key features:
- IndexedDB encrypted storage with AES-256-GCM
- Keys derived from WebCrypto auth (never leave browser)
- Safari 7-day eviction mitigations
- Selective sharing to boards via Automerge
- Optional encrypted R2 backup
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
