Import source: src/components/RightPanel/DownloadSizeSection

Import the existing local project snapshot. This commit organizes existing files; it does not represent newly developed functionality.

src/components/RightPanel/DownloadSizeSection.tsx

@@ -0,0 +1,20 @@
+import { useQR } from '../../context/QRContext';
+import { SegmentedControl } from '../ui/SegmentedControl';
+import type { DownloadSize } from '../../types';
+
+const SIZE_OPTIONS: { label: string; value: DownloadSize }[] = [
+  { label: 'Social', value: 'social' },
+  { label: 'Card',   value: 'card' },
+  { label: 'Print',  value: 'print' },
+];
+
+export function DownloadSizeSection() {
+  const { state, dispatch } = useQR();
+  return (
+    <div className="flex flex-col gap-3">
+      <h3 className="text-[14px] font-semibold" style={{ color: 'var(--text-secondary)' }}>Download Size</h3>
+      <SegmentedControl options={SIZE_OPTIONS} value={state.downloadSize}
+        onChange={v => dispatch({ type: 'SET_DOWNLOAD_SIZE', payload: v })} />
+    </div>
+  );
+}