* [fix] Resolve HoverDissolveThumbnail layering issue preventing dissolve effect
- Fix layer stacking problem where LazyImage containers blocked overlay visibility
- Restructure template with separate positioning containers for base and overlay images
- Use z-index to ensure proper layering of overlay image above base image
- Update CSS classes from absolute positioning on images to container-based positioning
- Update test assertions to match new class structure
- Ensure hover dissolve transition works correctly from opacity-0 to opacity-100
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Address code review feedback
- Use size-full instead of w-full h-full for cleaner Tailwind classes
- Update tests to use classList approach instead of string contains
- Maintain same functionality while improving code quality
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: bymyself <cbyrne@comfy.org>
