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fix: restore public page share thumbnails from SVG sidecars

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Serve missing *.thumbnail.png requests when the SVG sidecar exists, and schedule async PNG rasterization after public HTML is materialized so WeChat og:image URLs stop 404ing.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
john
2026-07-04 00:11:40 +08:00
parent 553af7ca7a
commit 702871a98c
5 changed files with 78 additions and 1 deletions
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mindspace-workspace-thumbnails.test.mjs
+13
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@@ -27,3 +27,16 @@ test('ensureWorkspaceHtmlThumbnail writes sidecar on html save', async () => {
assert.match(svg, /运动|普拉提618/i);
await fs.access(path.join(root, 'pilates.thumbnail.svg'));
});
test('ensureWorkspaceHtmlThumbnail schedules raster png sidecar', async () => {
const root = await fs.mkdtemp(path.join(os.tmpdir(), 'workspace-thumb-png-'));
const html = `<!doctype html><html><head>
<title>PNG sidecar</title>
<meta name="mindspace-cover" content='{"tag":"测试","accent":"#eeb04e","accent2":"#1a0a2e","subtitle":"副标题"}' />
</head><body></body></html>`;
await fs.writeFile(path.join(root, 'demo.html'), html, 'utf8');
await ensureWorkspaceHtmlThumbnail(root, 'demo.html', html, { title: 'PNG sidecar' });
await new Promise((resolve) => queueMicrotask(resolve));
await new Promise((resolve) => setImmediate(resolve));
await fs.access(path.join(root, 'demo.thumbnail.png'));
});