- Introduce `db:user:sync` to synchronize user data with the local database during initialization.
- Add `db:user:info` and `db:user:update` IPC handlers for fetching and updating user information.
- Update `User` model and repository to support extended user fields and improved structure.
- Dynamically import user models in main process to avoid circular dependencies.
- Refactor database initialization in the app to include user sync logic with error handling.
- Replace absolute import paths with relative paths for consistency across files.
- Transition database operations in Electron main process to modular handlers in `ipc/book.ipc.ts` using the `createHandler` pattern.
- Update database sync service to use `window.electron.invoke()` for improved reliability and structure.
- Refactor `AddNewBookForm` to handle both online and offline book creation seamlessly.
- Delete `Story` model implementation including `getVerbesStyle` method and related properties.
- Cleanup unused interfaces and redundant logic from the codebase.
- Implement `CharacterRepo`, `LocationRepo`, and `UserRepo` for managing character, location, and user data with SQLite.
- Add methods for performing CRUD operations on characters, locations, and users, including attributes and metadata handling.
- Integrate error handling with multilingual support (`fr` and `en`).
- Support data encryption and synchronization using the existing database utilities.
