Changelog

• a4d3f60 feat(chromad): use style counterparts for theme switching
• ce159e6 chore: migrate to new bit format
• 180ea9f perf(colour): replace Sprintf/ParseUint round-trip in NewColour with direct bit arithmetic (#1274)
• 68a08b0 docs: how to support dynamic theme switching
• 6fb9d92 feat(html): tag output with style mode
• a71fea3 feat(styles): add light/dark mode support