- Add `LocalSystem` with handlers for session retrieval (`userId`, `lang`) and error handling.
- Extend IPC handlers to support multilingual operations (`fr`, `en`) and session data injection
- Add comprehensive IPC handlers for database operations like books, chapters, characters, and conversations.
- Implement local database initialization and user data encryption.
- Update preload script paths for consistent environment handling.
- Modify `page.tsx` to initialize local database within Electron environment.
- Add new dependencies including `node-sqlite3-wasm` and `electron-rebuild`.
- Implement main and login windows for Electron.
- Integrate `electron-store` for secure token storage and management.
- Setup IPC handlers for authentication.
- Update dependencies to support Electron, including `vite`, `react-router-dom`, and plugins.
