- Updated `getCurrentSubscription` and related functions to reflect terminology changes.
- Adjusted subscription levels and access checks to streamline logic.
- Removed unused cases in `getSubLevel` and optimized conditionals for clarity.
- Deleted redundant components (`AddActionButton`, `AlertBox`, `AlertStack`, `BackButton`, `CancelButton`, and `CollapsableArea`) and related files.
- Removed unused models (`Book`, `BookSerie`, `BookTables`, `Character`, and `Chapter`) to reduce codebase clutter.
- Updated project structure and references to reflect these removals.
- Cleaned up unused debug logs and comments in `AddNewBookForm`, `QuillConversation`, `OfflinePinSetup`, `OfflinePinVerify`, `ShortStoryGenerator`, and `page.tsx`.
- Improved overall code readability and maintainability.
- Removed unnecessary React imports.
- Adjusted package.json scripts for Electron integration.
- Updated components to replace Next.js-specific imports with Electron-compatible alternatives.
- Minor tsconfig.json changes for better compatibility.
