Added (~cssx/flush) to shell after sx-root div — picks up CSS rules generated during island SSR via (collect! "cssx" ...). Registered clear-collected! primitive for the flush component. Standard CSSX classes now styled server-side. Custom colour shades (e.g. text-violet-699) still need investigation. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>