Svelte Guideline: Icons — Use @jis3r/icons for interactive icons. Description: Animated Lucide icons with animate prop for interaction feedback. Do: <Heart animate={hovered} /> on interactive elements. Don't: Static icons on buttons and toggles. Good Example: <Heart size={24} animate={hovered} />. Bad Example: <Heart size={24} /> (static on button). Severity: Medium. Docs: https://movingicons.dev.