chore: set image raw size to form

src/hooks/use-broadcast.ts

@@ -0,0 +1,18 @@
+// broadcast channel hook
+
+import { useEffect, useRef } from 'react';
+
+export const useBroadcast = () => {
+  const broadcastChannel = useRef<BroadcastChannel | null>(null);
+
+  useEffect(() => {
+    broadcastChannel.current = new BroadcastChannel('broadcast_channel');
+
+    return () => {
+      broadcastChannel.current?.close();
+      console.log('broadcast channel closed');
+    };
+  }, []);
+
+  return { broadcastChannel };
+};