- Updated Cargo.lock and Cargo.toml to include new dependencies
- Added new files for backup and watcher functionality in libmarlin
- Introduced integration tests and documentation updates
- Set workspace resolver to version 2 for better dependency resolution
* Rename `views` table references to `saved_views` for consistency.
* Update migration step 3 to create `saved_views` instead of `views`.
* Add a note that tag aliases (`canonical_id`) are deferred to DP-006 (v1.5).
* Ensure all PRAGMA statements (`foreign_keys`, `journal_mode=WAL`) apply to every migration.
* Adjust ER diagram section to reflect `saved_views` entity and its relationship.
