ci: unify CI and publish into single CD workflow

.github/workflows/cd.yml

@@ -0,0 +1,112 @@
+name: Build, Test, and npm Publish
+
+on:
+  push:
+    paths-ignore:
+      - "docs/**"
+      - "*.md"
+  pull_request:
+    paths-ignore:
+      - "docs/**"
+      - "*.md"
+
+permissions:
+  contents: write
+  id-token: write
+
+jobs:
+  test:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 8
+          run_install: false
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          registry-url: 'https://registry.npmjs.org/'
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Lint
+        run: pnpm lint
+
+      - name: Test
+        run: pnpm test
+
+      - name: Build
+        run: pnpm build
+
+  npm-publish:
+    runs-on: ubuntu-22.04
+    needs: test
+    permissions:
+      contents: write
+      id-token: write
+    if: github.ref == 'refs/heads/main'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 8
+          run_install: false
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          registry-url: 'https://registry.npmjs.org/'
+          cache: 'pnpm'
+
+      - name: Upgrade npm for OIDC support
+        run: npm install -g npm@latest
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Bump Version
+        id: bump
+        run: node scripts/bump-version.js
+
+      - name: Commit version bump
+        run: |
+          git config --local user.email "github-actions[bot]@users.noreply.github.com"
+          git config --local user.name "github-actions[bot]"
+          git add package.json
+          git commit -m "chore: bump version to ${{ steps.bump.outputs.version }} [skip ci]"
+
+      - name: Build
+        run: pnpm build
+
+      - name: Publish to npm with provenance
+        run: pnpm publish --provenance --access public --no-git-checks
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Create git tag and push
+        run: |
+          git tag "v${{ steps.bump.outputs.version }}"
+          git push origin main --follow-tags
+
+      - name: Add version to job summary
+        run: |
+          echo "# Published Version" >> $GITHUB_STEP_SUMMARY
+          echo "| Package | Version | Tag |" >> $GITHUB_STEP_SUMMARY
+          echo "| --- | --- | --- |" >> $GITHUB_STEP_SUMMARY
+          echo "| @zenuml/codemirror-extensions | v${{ steps.bump.outputs.version }} | [v${{ steps.bump.outputs.version }}](https://github.com/ZenUml/codemirror-extensions/releases/tag/v${{ steps.bump.outputs.version }}) |" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "[View on npm](https://www.npmjs.com/package/@zenuml/codemirror-extensions/v/${{ steps.bump.outputs.version }})" >> $GITHUB_STEP_SUMMARY