Add GitHub Actions workflows for PR version check and NPM publishing

.github/workflows/pr-version-check.yml

@@ -0,0 +1,43 @@
+name: PR Version Check
+
+on:
+  pull_request:
+    branches:
+      - main
+    types: [opened, synchronize]
+
+jobs:
+  version-check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout PR branch
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Get PR branch package.json version
+        id: pr-version
+        run: echo "version=$(node -p "require('./package.json').version")" >> $GITHUB_OUTPUT
+
+      - name: Get main branch package.json version
+        id: main-version
+        run: |
+          git checkout main
+          echo "version=$(node -p "require('./package.json').version")" >> $GITHUB_OUTPUT
+
+      - name: Compare versions
+        run: |
+          PR_VERSION="${{ steps.pr-version.outputs.version }}"
+          MAIN_VERSION="${{ steps.main-version.outputs.version }}"
+
+          echo "PR branch version: $PR_VERSION"
+          echo "Main branch version: $MAIN_VERSION"
+
+          if [ "$PR_VERSION" = "$MAIN_VERSION" ]; then
+            echo "❌ Version must be updated in package.json"
+            echo "Current version: $MAIN_VERSION"
+            echo "Please increment the version number before merging to main"
+            exit 1
+          else
+            echo "✅ Version has been updated from $MAIN_VERSION to $PR_VERSION"
+          fi

.github/workflows/version-and-publish.yml

@@ -0,0 +1,49 @@
+name: Publish to NPM
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Run tests
+        run: pnpm test
+
+      - name: Run build
+        run: pnpm build
+
+      - name: Get package version
+        id: package-version
+        run: echo "version=$(node -p "require('./package.json').version")" >> $GITHUB_OUTPUT
+
+      - name: Create and push git tag
+        run: |
+          git config user.name "GitHub Actions"
+          git config user.email "actions@github.com"
+          git tag -a "v${{ steps.package-version.outputs.version }}" -m "Release v${{ steps.package-version.outputs.version }}"
+          git push origin "v${{ steps.package-version.outputs.version }}"
+
+      - name: Publish to NPM
+        run: pnpm publish --access public --no-git-checks
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}