Deploy current main to GitHub Pages automatically

.github/workflows/deploy-pages.yml

@@ -0,0 +1,57 @@
+name: Deploy GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v7
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v7
+        with:
+          node-version: 24
+          cache: npm
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm run test
+
+      - name: Build
+        run: npm run build
+
+      - name: Validate metadata files
+        run: npm run validate:metadata
+
+      - name: Configure Pages
+        uses: actions/configure-pages@v5
+
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v4
+        with:
+          path: dist
+
+      - name: Deploy Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

README.md

@@ -92,6 +92,15 @@ npm exec -- zenodraft metadata validate .zenodo.json
 
 During export, OpenCite validates generated `.zenodo.json` metadata. ZIP exports include `METADATA_VALIDATION.txt` for downstream provenance checks.
 
+### GitHub Pages deployment
+
+The `Deploy GitHub Pages` workflow runs on every push to `main` (and can be run
+manually). It installs dependencies, runs tests and metadata validation, builds
+the Vite site, and publishes `dist` to GitHub Pages. In the repository's
+**Settings > Pages**, select **GitHub Actions** as the build and deployment
+source. This replaces the previous `gh-pages` branch publishing setup; keep
+that branch until the first workflow deployment succeeds.
+
 ## GitHub Import Workflow
 
 1. Paste a GitHub repository URL into the import field.