Version 8.0.0

Major update focused on remote guidance, visual cursor workflows, and documentation consistency.

New
- Added full PNG overlay cursor support for remote guidance flows
- Added styled overlay labels with support for placement, dx, and dy
- Improved remote cursor choreography for guided demos
- Added clearer fast execution mode for LocalExplorer without visual cursor guidance

Improved
- Updated overlay commands documentation and examples
- Improved SDK examples for visible cursor walkthroughs
- Improved public examples and site documentation for cursor-based guidance
- Clarified overlayCreate, overlayMoveToWait, overlayLabel, overlayStyle, and overlayHide behavior
- Improved consistency across site docs, SDK docs, public KB, internal KB, and changelog

Changed
- Replaced outdated overlayLabel offsetY usage with dx/dy in examples and documentation
- Aligned examples with the final 8.0.0 overlay behavior
- Refined LocalExplorer demo mode vs speed mode wording and behavior

Fixed
- Fixed PNG overlay rendering path in guided cursor flows
- Fixed label styling support in overlayLabel
- Fixed lingering visual label behavior in fast non-visual flows
- Fixed several example inconsistencies around cursor overlays and labels