feat: add high-end download center and admin release management hub

scripts/capture-download-and-release-hub.js

@@ -0,0 +1,61 @@
+// scripts/capture-download-and-release-hub.js
+const { chromium } = require('@playwright/test');
+const path = require('path');
+const fs = require('fs');
+const http = require('http');
+
+const OUTPUT_DIR = 'C:/Users/encep/.gemini/antigravity-cli/brain/3ab7ae82-5634-41d5-93a7-3c12c22503e2/screenshots/download_center';
+
+function serveStatic(dir) {
+  return new Promise((resolve) => {
+    const server = http.createServer((req, res) => {
+      let reqPath = req.url.split('?')[0];
+      if (reqPath === '/' || reqPath === '') reqPath = '/download.html';
+      const filePath = path.join(dir, reqPath);
+      if (fs.existsSync(filePath) && fs.statSync(filePath).isFile()) {
+        const ext = path.extname(filePath).toLowerCase();
+        const mime = { '.html': 'text/html', '.js': 'application/javascript', '.css': 'text/css', '.svg': 'image/svg+xml' };
+        res.writeHead(200, { 'Content-Type': mime[ext] || 'application/octet-stream' });
+        fs.createReadStream(filePath).pipe(res);
+      } else {
+        res.writeHead(404);
+        res.end('Not Found');
+      }
+    });
+    server.listen(0, '127.0.0.1', () => {
+      const port = server.address().port;
+      resolve({ server, port });
+    });
+  });
+}
+
+async function capture() {
+  if (!fs.existsSync(OUTPUT_DIR)) fs.mkdirSync(OUTPUT_DIR, { recursive: true });
+
+  const sitePublicDir = path.resolve(__dirname, '../site/public');
+  const { server, port } = await serveStatic(sitePublicDir);
+
+  const browser = await chromium.launch({ channel: 'msedge', headless: true });
+  const context = await browser.newContext({
+    viewport: { width: 1440, height: 960 },
+    deviceScaleFactor: 2,
+  });
+
+  const page = await context.newPage();
+  console.log(`Navigating to http://127.0.0.1:${port}/download.html...`);
+  await page.goto(`http://127.0.0.1:${port}/download.html`, { waitUntil: 'networkidle' });
+  await page.waitForTimeout(1500);
+
+  const shot1 = path.join(OUTPUT_DIR, '01_download_center_hero_desktop.png');
+  await page.screenshot({ path: shot1, fullPage: false });
+  console.log('Saved:', shot1);
+
+  const shotFull = path.join(OUTPUT_DIR, '02_download_center_full_page.png');
+  await page.screenshot({ path: shotFull, fullPage: true });
+  console.log('Saved:', shotFull);
+
+  await browser.close();
+  server.close();
+}
+
+capture().catch(console.error);