add

src/app/components/ImgInputForm.client.tsx

@@ -6,8 +6,11 @@ const ImgInputForm_client = () => {
 
     const [fileName, setFileName] = useState('')
 
-    const imgInput = () => {
+    const imgInput = (e: React.ChangeEvent<HTMLInputElement>) => {
-
+        const selected = e.target.files?.[0];
+        if (selected != null) {
+            setFileName(selected?.name)
+        }
 
     }