docs(release): title v0.8.2 and promote note headings to release names

GitHub releases were named by bare tag because the action got no name.
The note's leading heading is the natural title, so publish it as the
release name and drop it from the body instead of repeating it.

.github/workflows/rust-release.yml

@@ -926,6 +926,7 @@ jobs:
           grep -q "$version" release-files/install-op.sh
           grep -q "$version" release-files/install-op.ps1
       - name: Prepare release body
+        id: body
         shell: bash
         run: |
           set -euo pipefail
@@ -935,7 +936,15 @@ jobs:
             echo "::error::missing release note: $note"
             exit 1
           fi
-          cp "$note" release-body.md
+          # The note's leading `# ` heading is the release title; the rest is
+          # the body, so the title is not repeated on the release page.
+          title="$(head -n 1 "$note")"
+          if [[ "$title" != "# "* ]]; then
+            echo "::error::release note must start with a '# ' title heading: $note"
+            exit 1
+          fi
+          echo "title=${title#\# }" >> "$GITHUB_OUTPUT"
+          tail -n +2 "$note" | sed '/./,$!d' > release-body.md
           {
             printf '\n## Web Docker Image\n\n'
             printf -- '- Image: `%s`\n' '${{ needs.web-docker.outputs.tag }}'
@@ -947,6 +956,7 @@ jobs:
           draft: false
           prerelease: true
           make_latest: false
+          name: ${{ steps.body.outputs.title }}
           body_path: release-body.md
           files: release-files/*
 

RELEASE_NOTES/v0.8.2.md

@@ -1,4 +1,4 @@
-# OpenPencil v0.8.2
+# OpenPencil v0.8.2 — Whole Apps, Faithful Imports
 
 `v0.8.2` is a prerelease focused on higher-fidelity Figma and HTML imports,
 multi-screen AI design generation, lower transient memory use, smoother