Python-IDE
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diff --git a/‎README.md‎
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diff --git a/‎assets/app-icon.png‎
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@@ -3,10 +3,18 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta name="theme-color" content="#f7f7f5">
+    <meta property="og:site_name" content="Python IDE">
+    <meta property="og:title" content="Python IDE 社区作品">
+    <meta property="og:description" content="在 Python IDE 中查看、运行和导入社区作品。">
+    <meta property="og:image" content="https://link.pythonide.xin/assets/app-icon.png">
     <script>
-      window.location.replace('/?path=' + encodeURIComponent(location.pathname + location.search + location.hash));
+      (function () {
+        var path = location.pathname + location.search + location.hash;
+        location.replace('/?path=' + encodeURIComponent(path));
+      }());
     </script>
-    <title>Python IDE</title>
+    <title>Python IDE 社区作品</title>
   </head>
   <body></body>
 </html>
@@ -1,6 +1,6 @@
 # PythonIDE Link Site
 
-This directory is a zero-cost GitHub Pages site for:
+This directory is the static GitHub Pages origin for:
 
 - `https://link.pythonide.xin/s/{scriptID}` community work shares
 - `https://link.pythonide.xin/l/{code}` reserved short links
@@ -16,6 +16,14 @@ The canonical repository is
 Pages deploys from the default branch root with the custom domain
 `link.pythonide.xin` and enforced HTTPS.
 
+The companion `../link-edge/` Cloudflare Worker intercepts only `/s/*` and
+`/og/*`. It server-renders per-script Open Graph metadata for crawlers and
+creates a 1200×630 PNG card from the existing public community API. All other
+routes, including AASA and MCP OAuth, continue to come directly from GitHub
+Pages. This split is required because GitHub Pages cannot generate a different
+HTML `<head>` for each script and WeChat does not reliably execute page
+JavaScript when building a link preview.
+
 To publish changes, copy the contents of this `link-site/` directory to that
 repository root and verify the Pages deployment. The DNS record is:
 
@@ -30,6 +38,17 @@ Do not change the root `@` or `www` records used by the main website. Do not
 recreate a repository named `pythonide-link` under the previous owner because
 that would break GitHub's repository-transfer redirects.
 
+After publishing the static site, deploy `../link-edge/worker.js` with the
+routes declared in `../link-edge/wrangler.jsonc`. The Cloudflare zone must keep
+the `link` record proxied for Worker routes to run. The Worker does not replace
+or proxy the AASA and OAuth paths.
+
+Before either deployment, run:
+
+```bash
+node --test link-site/tests/share-page.test.js link-edge/tests/worker.test.js
+```
+
 ## iOS Requirement
 
 The app entitlements must include: