bbaa77bce1
Add independent horizontal/vertical clip support in the paint pass, matching Ink's per-axis overflow behavior. Add overflowX/overflowY to STYLE_PROPS so they are stored in el.props for the paint pass. Implement 26 new overflow tests translated from Ink. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>