- Updated error handling in toggleResourceBookmark and myBookmarks functions to return exceptions instead of just logging them.
- Enhanced bookmarkStatus function to return a default value when an error occurs.
- Refactored reaction actions to utilize a constant for reaction types and added a helper function for empty reaction statuses.

- Introduced a type guard function `isBookmarksSuccess` to validate bookmark data structure.
- Updated pagination logic to ensure safe access to bookmark properties.
- Refactored item presence check to utilize the new type guard for better reliability.
- Improved state update in `ResourceBookmarkable` to ensure accurate bookmark status after mutation.

- Simplified the visibility check by consolidating conditions for public and private gists.
- Improved error handling to throw exceptions for missing gists and unauthorized access.
- Enhanced code readability by reducing redundancy in the gist retrieval process.

- Introduced a button to export Gist files as images using a Carbon-style format.
- Added a dialog component for handling image export, allowing users to preview and save Gist content as images.
- Integrated state management for the image export feature within the GistViewer component.

- Introduced a new button to copy the exported image directly to the clipboard.
- Refactored the image export logic to improve clarity and error handling.
- Enhanced user feedback during image export and copy operations with loading indicators.

…alog

- Introduced a footer section in the GistCodeImageDialog component.
- Added styling for the footer to enhance visual appearance and maintain consistency.
- Ensured the footer is accessible and does not interfere with user interactions.

- Updated CHANGELOG.md to document new features, bug fixes, and other changes for version 1.3.0.
- Bumped version number in package.json to 1.3.0.
- Added clipboard copy and image export functionalities to Gist components.
- Improved error handling in bookmark and reaction services.
- Refactored Gist retrieval and bookmarks handling for better performance and reliability.