update: add agent.md + skills

src/utils/DebugPerf.tsx

@@ -1,11 +1,11 @@
-import { Suspense, lazy } from 'react'
-const Perf = lazy(() => import('r3f-perf').then((m) => ({ default: m.Perf })))
+import { Suspense, lazy } from "react";
+const Perf = lazy(() => import("r3f-perf").then((m) => ({ default: m.Perf })));
 export function DebugPerf() {
-  const debug = new URLSearchParams(window.location.search).has('debug')
-  if (!debug) return null
+  const debug = new URLSearchParams(window.location.search).has("debug");
+  if (!debug) return null;
   return (
     <Suspense fallback={null}>
       <Perf position="top-left" />
     </Suspense>
-  )
-}
+  );
+}