feat: configure syndication to socials

.github/workflows/syndicate.yml

@@ -0,0 +1,61 @@
+name: Syndicate new posts
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'src/content/posts/**'
+
+jobs:
+  syndicate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - name: Find newly added posts
+        id: new-posts
+        run: |
+          NEW=$(git diff --name-only --diff-filter=A HEAD~1 HEAD -- 'src/content/posts/')
+          echo "new_posts<<EOF" >> $GITHUB_OUTPUT
+          echo "$NEW" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
+
+      - name: Wait for Netlify deploy
+        if: steps.new-posts.outputs.new_posts != ''
+        env:
+          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
+          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
+        run: |
+          echo "Polling Netlify for deploy completion..."
+          for i in $(seq 1 30); do
+            STATE=$(curl -sf \
+              -H "Authorization: Bearer $NETLIFY_AUTH_TOKEN" \
+              "https://api.netlify.com/api/v1/sites/$NETLIFY_SITE_ID/deploys?per_page=1" \
+              | python3 -c "import sys,json; print(json.load(sys.stdin)[0]['state'])")
+            echo "  Attempt $i: $STATE"
+            [ "$STATE" = "ready" ] && break
+            sleep 20
+          done
+          [ "$STATE" != "ready" ] && echo "::warning::Deploy did not reach ready state; webmentions may fail."
+
+      - name: Send webmentions to Bridgy
+        if: steps.new-posts.outputs.new_posts != ''
+        run: |
+          while IFS= read -r file; do
+            [ -z "$file" ] && continue
+            slug=$(basename "${file%.mdx}")
+            slug=$(basename "${slug%.md}")
+            source="https://danmatthew.co.uk/notes/${slug}/"
+            echo "Syndicating $source"
+
+            for target in \
+              "https://brid.gy/publish/mastodon" \
+              "https://brid.gy/publish/bluesky"; do
+              status=$(curl -s -o /dev/null -w "%{http_code}" \
+                -d "source=${source}&target=${target}" \
+                https://brid.gy/publish/webmention)
+              echo "  $target → HTTP $status"
+            done
+          done <<< "${{ steps.new-posts.outputs.new_posts }}"

src/layouts/BaseLayout.astro

@@ -77,6 +77,9 @@ const { title, description, modifier } = Astro.props;
     <meta name="theme-color" content="hsl(0, 0%, 99%)" />
     <link rel="alternate" type="application/rss+xml" title="Dan Matthew" href="/feed.xml" />
     <link rel="alternate" type="application/feed+json" title="Dan Matthew" href="/feed.json" />
+    <link rel="webmention" href="https://webmention.io/danmatthew.co.uk/webmention" />
+    <link rel="me" href="https://front-end.social/@danielm" />
+    <link rel="me" href="https://bsky.app/profile/danmatthew.co.uk" />
   </head>
   <body>
     <Nav />

src/pages/notes/[...slug].astro

@@ -41,19 +41,28 @@ const { Content } = await render(entry);
 ---
 
 <BaseLayout title={`${entry.data.title}`}>
-  <article>
+  <article class="h-entry">
     <Hero title={entry.data.title}>
       <div slot="header-extras">
         <div class="meta">
-          <time datetime={entry.data.publishedDate.toISOString()}>
+          <time class="dt-published" datetime={entry.data.publishedDate.toISOString()}>
             {entry.data.publishedDate.toLocaleDateString("en-GB")}
           </time>
         </div>
       </div>
     </Hero>
-    <section class="flow">
+    <section class="flow e-content">
       <Content />
     </section>
+    <footer hidden>
+      <data class="p-name" value={entry.data.title}></data>
+      <a class="u-url" href={`https://danmatthew.co.uk/notes/${entry.id}/`}></a>
+      <div class="p-author h-card">
+        <a class="u-url p-name" href="https://danmatthew.co.uk">Dan Matthew</a>
+      </div>
+      <a class="u-syndication" href="https://brid.gy/publish/mastodon" rel="syndication"></a>
+      <a class="u-syndication" href="https://brid.gy/publish/bluesky" rel="syndication"></a>
+    </footer>
   </article>
   <nav aria-label="Notes pagination">
     {