Optimize Web Animations Core Rule Measure the real page before editing. The goal is not to remove motion; it is to make offscreen work stop, visible motion resume correctly, and route/unmount cleanup release long-lived resources. Use Codex Browser when available, especially for localhost pages. Do not use Chrome unless the user explicitly asks for it. Workflow 1. Inspect repo context. - Read or local instructions. - Run early. - Find page components, animation hooks, CSS keyframes, , , , canvas/WebGL/physics components, media elements, GSAP timelines/tweens, and existing visibility utilities.…