Arcsphere Artifacts Gallery Issues

- Download Restriction
- Issue: Users can only download the final "Generated Image."
- Problem: There is currently no option to download the original uploaded photos used for the generation process within the Artifacts view.
- Viewing & Preview Limitations
- Issue: Unable to view or enlarge the uploaded source photos.
- Problem: Clicking or navigating the gallery does not allow the user to inspect the source material once it has been uploaded.
- Missing Comparison Feature
- Issue: No "Original vs. Generated" concept preview.
- Detail: Users are unable to see a side-by-side or toggle comparison to verify how the AI transformed the original concept into the final output.