Rename DownloadButton server component to DownloadPanel

.github/CONTRIBUTING.md

@@ -96,7 +96,7 @@ Also in `Settings → General → Pull Requests`:
 
 ### Release data freshness
 
-`/download` is **prerendered**, not fetched in the browser. `components/DownloadButton.tsx` is a server component that resolves GitHub releases at render time via `lib/releases.ts`, then hands the data to `DownloadButtonClient.tsx` for the interactive bits. Visitors never call GitHub, so the page costs one upstream request per day instead of one per visitor — comfortably under GitHub's 60/hour unauthenticated limit.
+`/download` is **prerendered**, not fetched in the browser. `components/DownloadPanel.tsx` is a server component that resolves GitHub releases at render time via `lib/releases.ts`, then hands the data to `DownloadButtonClient.tsx` for the interactive bits. Visitors never call GitHub, so the page costs one upstream request per day instead of one per visitor — comfortably under GitHub's 60/hour unauthenticated limit.
 
 Refresh is driven by the cron in `vercel.json`:
 

app/download/page.tsx

@@ -1,6 +1,6 @@
 import type { Metadata } from "next";
 import { Footer, Navbar } from "../../layout";
-import DownloadButton from "../../components/DownloadButton";
+import DownloadPanel from "../../components/DownloadPanel";
 
 export const metadata: Metadata = {
   title: "Download VoxKit",
@@ -26,7 +26,7 @@ export default function DownloadPage() {
             Get the latest version of VoxKit for your operating system
           </p>
         </div>
-        <DownloadButton />
+        <DownloadPanel />
       </div>
       <Footer />
     </div>

components/DownloadButton.tsx → components/DownloadPanel.tsx

@@ -9,7 +9,7 @@ import DownloadButtonClient from "./DownloadButtonClient";
  * Freshness is controlled by the page's `revalidate` plus the nightly cron in
  * `app/api/revalidate-releases/route.ts`, not by this component.
  */
-export default async function DownloadButton() {
+export default async function DownloadPanel() {
   const result = await getReleases();
 
   if (!result.ok) {

lib/releases.ts

@@ -12,7 +12,7 @@ import { fakeGitHubReleases } from "./fakeReleases";
 /**
  * Server-side resolution of the latest VoxKit release per OS.
  *
- * This runs during render (see `components/DownloadButton.tsx`), not in the
+ * This runs during render (see `components/DownloadPanel.tsx`), not in the
  * browser, so a visitor never pays for a GitHub round trip and the download
  * panel ships fully populated in the initial HTML.
  */

types/releases.ts

@@ -50,6 +50,6 @@ export interface ReleasesAPIResponse {
   lastUpdated: string;
 }
 
-export interface DownloadButtonProps {
+export interface DownloadPanelProps {
   className?: string;
 }