Show packaged proof on the homepage

website/src/__tests__/public-marketing-pages.test.tsx

@@ -355,6 +355,8 @@ describe('public marketing pages', () => {
     expect(screen.getAllByText('Preview posture').length).toBeGreaterThan(0)
     expect(screen.getAllByText('Paddle webhook secret: missing').length).toBeGreaterThan(0)
     expect(screen.getAllByText(/public auth runtime posture/i).length).toBeGreaterThan(0)
+    expect(screen.getByText('Current packaged desktop proof')).toBeTruthy()
+    expect(screen.getByText('Packaged validation passed')).toBeTruthy()
     expect(screen.getByText('How a real first session flows')).toBeTruthy()
     expect(screen.getAllByText('Current surface authority map').length).toBeGreaterThan(0)
     expect(screen.getAllByText('Native Unreal desktop runtime').length).toBeGreaterThan(0)

website/src/pages/public-pages-marketing.tsx

@@ -41,6 +41,20 @@ import {
 } from './public-page-helpers'
 
 export function HomeLanding() {
+  const releaseManifestQuery = useQuery({
+    queryKey: ['release-manifest', 'public-home'],
+    queryFn: getReleaseManifest,
+    retry: false,
+  })
+  const releaseManifest = useMemo(
+    () => resolveReleaseManifestView(releaseManifestQuery.data?.manifest, buildPublicReleaseManifestFallback()),
+    [releaseManifestQuery.data?.manifest],
+  )
+  const windowsValidationPlatform = useMemo(
+    () => releaseManifest.platforms.find((platform) => platform.platform_key === 'windows' && platform.validation_summary) ?? null,
+    [releaseManifest],
+  )
+
   return (
     <>
       <SiteMetadata
@@ -175,6 +189,20 @@ export function HomeLanding() {
           </div>
         </Section>
 
+        {windowsValidationPlatform ? (
+          <Section title="Current packaged desktop proof">
+            <ReleaseValidationSummary platform={windowsValidationPlatform} />
+            <div className="button-row top-gap">
+              <Link className="button button--ghost" to="/download">
+                Open download center
+              </Link>
+              <Link className="button button--ghost" to="/changelog">
+                Review release notes
+              </Link>
+            </div>
+          </Section>
+        ) : null}
+
         <Section
           title="How a real first session flows"
           description="This is the public-facing operator path from curiosity into the actual simulator lane, without pretending the browser already replaced the desktop runtime."