Add progress notifications for folder comparison operations

[Copilot]

• Initial plan: Add progress notification for folder comparison
• Initial implementation: Add progress notifications for folder comparison operations
• Refactor to use generic utility function per maintainer feedback:
  • Created showProgressNotification generic function in src/utils/ui.ts
  • Updated all comparison methods to use the new utility function
  • Removed code duplication and improved maintainability
  • Cleaned up unused imports

The implementation now uses a centralized, reusable approach for progress notifications while maintaining all existing functionality and user experience improvements.

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[moshfeu]

Can you create / use a generic function? Read src/utils/ui.ts to see if there anything you can use. If not, create one there and use it 🙏
@copilot

[Copilot]

Can you create / use a generic function? Read src/utils/ui.ts to see if there anything you can use. If not, create one there and use it 🙏
@copilot

I've created a generic showProgressNotification function in src/utils/ui.ts and refactored all the progress notification implementations to use it. This eliminates code duplication and provides a centralized, reusable approach for progress notifications throughout the codebase.

The generic function handles:

• Progress notification setup with VS Code's window.withProgress
• Message reporting through a callback pattern
• Type safety with generic return types
• Consistent notification configuration

Commit: 8ddf8e9

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