feat: add ReactScan component for enhanced development scanning (#29086)

web/app/components/react-scan.tsx

@@ -0,0 +1,22 @@
+'use client'
+
+import { scan } from 'react-scan'
+import { useEffect } from 'react'
+import { IS_DEV } from '@/config'
+
+export function ReactScan() {
+  useEffect(() => {
+    if (IS_DEV) {
+      scan({
+        enabled: true,
+        // HACK: react-scan's getIsProduction() incorrectly detects Next.js dev as production
+        // because Next.js devtools overlay uses production React build
+        // Issue: https://github.com/aidenybai/react-scan/issues/402
+        // TODO: remove this option after upstream fix
+        dangerouslyForceRunInProduction: true,
+      })
+    }
+  }, [])
+
+  return null
+}