perf: completely lazy load framer-motion core via DynamicFramerMotion wrapper

components/providers/FramerMotionProvider.tsx

@@ -0,0 +1,11 @@
+'use client';
+import { LazyMotion } from 'framer-motion';
+const loadFeatures = () => import('@/lib/framer-features').then(res => res.default);
+
+export function FramerMotionProvider({ children }: { children: React.ReactNode }) {
+  return (
+    <LazyMotion features={loadFeatures} strict>
+      {children}
+    </LazyMotion>
+  );
+}