- 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.
- Add `OfflineContext` and `BookContext` to components for offline state management.
- Introduce conditional logic to toggle between server API requests and offline IPC handlers for CRUD operations.
- Refine `TextEditor`, `DraftCompanion`, and other components to disable actions or features unavailable in offline mode.
- Improve error handling and user feedback in both online and offline scenarios.
- Integrate `OfflineContext` into book, story settings, and related components.
- Add conditional logic to toggle between server API requests and offline IPC handlers (`db:book:delete`, `db:book:story:get`, `db:location:all`, etc.).
- Refactor and update IPC handlers to accept structured data arguments for improved consistency (`data: object`).
- Ensure stricter typings in IPC handlers and frontend functions.
- Improve error handling and user feedback in both online and offline modes.
