halftone v2 (#19573)

## Summary
- Add Playwright inspection scripts for problem canvas export, chain
logging, and metrics capture
- Save updated markdown snapshots and screenshot artifacts for homepage
and problem section debugging
- Include generated browser profile data used during the investigation

## Testing
- Not run (not requested)

packages/twenty-website-new/src/sections/Problem/components/Visual/Visual.tsx

@@ -22,7 +22,7 @@ const StyledVisual = styled.div`
 `;
 
 const StyledMasked = styled.div`
-  background-color: ${theme.colors.primary.background[100]};
+  background-color: #1c1c1c;
   height: 100%;
   isolation: isolate;
   -webkit-mask-image: ${mobileMask};