Theme Wipe Transition Improvements

[TimChinye]

This change improves the theme transition experience by optimizing the snapshot methods used for different pages and fixing visual bugs in the wipe animation.

Key improvements:

• Targeted Puppeteer Usage: Only the homepage and projects page use the more expensive Puppeteer-based snapshots. Other pages fallback to client-side snapshots immediately to save resources and improve speed.
• Visual Fidelity: Fixed a gap at the bottom of the screen during transitions and ensured snapshots don't squash content by using correct CSS background sizing (100% auto anchored to the top).
• Clean Transitions: Removed the scrollbar-gutter hack which was causing a "yellow fake scrollbar" to appear on some devices.
• Robustness: Enhanced the DOM serializer to explicitly force the target theme in the serialized HTML, ensuring distinct 'before' and 'after' snapshots even when captured sequentially.
• Performance: Elements marked with data-html2canvas-ignore are now removed from the DOM during serialization to reduce payload size.

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PR created automatically by Jules for task 16427792831135789730 started by @TimChinye

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Project	Deployment	Actions	Updated (UTC)
portfolio	Building	Preview, Comment	Mar 3, 2026 6:34pm