- Introduce new error messages for syncing and book deletion in `en.json`.
- Update `DeleteBook` to support local-only deletion and synced book management.
- Refine offline/online behavior with `deleteLocalToo` checkbox and update related state handling.
- Extend repository and IPC methods to handle optional IDs for updates.
- Add `SyncQueueContext` for queueing offline changes and improving synchronization workflows.
- Enhance refined text generation logic in `DraftCompanion` and `GhostWriter` components.
- Replace PUT with PATCH for world updates to align with API expectations.
- Streamline `AlertBox` by integrating dynamic translation keys for deletion prompts.
- Refactor components to support conditional offline and online CRUD operations.
- Introduce `addToQueue` mechanism for syncing offline changes to the server.
- Add `isChapterContentExist` method and related existence checks in repositories.
- Consolidate data structures and streamline book, chapter, character, and guideline synchronization workflows.
- Encrypt additional character fields and adjust repository inserts for offline data.
- Extend repository methods to handle API requests for fetching books, chapters, characters, and other entities with multilingual support (`lang: 'fr' | 'en'`).
- Add `uploadBookForSync` logic to consolidate and decrypt book data for synchronization.
- Refactor schema migration logic to remove console logs and streamline table recreation.
- Enhance error handling across database repositories and IPC methods.
- Add `useEffect` in `ScribeLeftBar` for handling book state changes.
- Extend `BooksSyncContext` with new properties and stricter typings.
- Refine `Repositories` to include `lastUpdate` handling for synchronization processes.
- Add comprehensive `fetchComplete*` repository methods for retrieving entity-specific sync data.
- Enhance offline logic for chapters, characters, locations, and world synchronization.
- Improve error handling across IPC handlers and repositories.
- Introduce `BooksSyncContext` for managing book synchronization states (server-only, local-only, to-sync, etc.).
- Remove `UserContext` and related dependencies.
- Refine localization strings (`en.json`) with sync-related updates (e.g., "toSyncFromServer", "toSyncToServer").
- Extend database schema with additional tables and fields for syncing books, chapters, and related entities.
- Add `last_update` fields and update corresponding repository methods to support synchronization logic.
- Enhance IPC handlers with stricter typing, data validation, and sync-aware operations.
- Increment `SCHEMA_VERSION` to 2 in `schema.ts`.
- Remove all `meta_*` columns from database tables.
- Add migration logic to handle schema upgrades and clean up unused columns.
- Modify database models and repository methods to exclude `meta_*` fields for stricter typings and improved structure.
- Refactor and optimize query statements across repositories to align with new schema changes.
- Introduce `OfflinePinSetup` component for users to configure secure offline access.
- Add new `AIUsageContext` and extend `OfflineProvider` for offline-related state management.
- Implement offline login functionality in `electron/main.ts` with PIN verification and fallback support.
- Enhance IPC handlers to manage offline mode data, PIN setup, and synchronization.
- Update localization files (`en.json`, `fr.json`) with offline mode and PIN-related strings.
- Add `bcrypt` and `@types/bcrypt` dependencies for secure PIN hashing and validation.
- Refactor login and session management to handle offline mode scenarios with improved error handling and flow.
