initial commit

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/admin/hooks/useDebounce.ts

@@ -0,0 +1,14 @@
+import { useState, useEffect } from 'react'
+
+export default function useDebounce<T>(value: T, delay: number): T {
+  const [debouncedValue, setDebouncedValue] = useState<T>(value)
+
+  useEffect(() => {
+    const handler = setTimeout(() => {
+      setDebouncedValue(value)
+    }, delay)
+    return () => clearTimeout(handler)
+  }, [value, delay])
+
+  return debouncedValue
+}