Summary of dependency injection refactoring:
- 96% coverage on NoteTools
- 94% coverage on VaultTools
- 236 tests passing
- Adapter pattern fully implemented
- Factory functions for production usage
Architecture improvements:
- IVaultAdapter, IMetadataCacheAdapter, IFileManagerAdapter interfaces
- Clean separation between business logic and Obsidian API
- Simplified test mocking with adapter pattern
- Type-safe dependency injection throughout
