* refactor: simplify error handling navigation in ErrorBoundary
* feat: add Monaco Editor CSS import to main stylesheet
* feat: replace Button with RouterLink for navigation in ErrorBoundary
* Fix import order for RouterLink in root.tsx
* feat: add Monaco Editor CSS imports and implement navigation button in ErrorBoundary
* refactor: remove unused Monaco Editor CSS imports for cleaner styles
* feat: enhance DiffEditor with improved model management and theme application
* feat: add VSCode theme variables for enhanced styling and customization
* refactor: replace Button with RouterLink in ErrorBoundary for improved navigation
* feat: implement AI commit message generation with error handling and user notifications
* refactor: remove unused Button component from GitProjectStagingModal for cleaner UI
* Fix import order for RouterLink in root.tsx
* fix: add temporary fallback for VSCode variables in main.css to resolve DiffEditor styling issues