fixing-motion-performance Fix animation performance issues. how to use - Apply these constraints to any UI animation work in this conversation. - Review the file against all rules below and report: - violations (quote the exact line or snippet) - why it matters (one short sentence) - a concrete fix (code-level suggestion) Do not migrate animation libraries unless explicitly requested. Apply rules within the existing stack. when to apply Reference these guidelines when: - adding or changing UI animations (CSS, WAAPI, Motion, rAF, GSAP) - refactoring janky interactions or transitions - implemen…