jigsawR v0.4.0

Highlights

• SNIC superpixel puzzles — image-aware boundary segmentation with synthetic mode
• Voronoi & Random puzzle types — tessellation-based puzzles via Fermat spirals and Delaunay triangulation
• ggplot2 integration — 6 geom functions, stat_puzzle(), theme_puzzle(), fusion-aware rendering
• Rcpp acceleration — C++ optimized Bezier curves and SVG path translation
• Quarto documentation site — gallery pages, dark mode, API/ggpuzzle side-by-side examples
• Full CI matrix — R-CMD-check on windows, macOS, ubuntu (release, devel, oldrel-1)

See NEWS.md for the full changelog.