- Update return types for IPC handlers in `character.ipc.ts`, `chapter.ipc.ts`, and `location.ipc.ts` for stricter type safety.
- Introduce new type definitions for better structure and clarity.
- Remove redundant console logs and unnecessary comments for cleaner code.
- Introduce IPC handlers in `ipc/chapter.ipc.ts` for chapter CRUD, content management, and related operations.
- Register chapter IPC module in `main.ts` for application-wide access.
- Enhance type definitions for chapter functionalities, improving code consistency.
- Refactor `ipc/book.ipc.ts` to include new `UpdateStoryData` interface and additional story update handler.