Separate out dxt file steps as different job

Author: mikechao

.github/workflows/publish.yml

@@ -20,6 +20,23 @@ jobs:
         run: npm publish
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+    permissions:
+      contents: read
+      id-token: write
+
+  create-dxt-release:
+    needs: publish-to-npm
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20.19.0
+          cache: npm
+      - name: Install dependencies and build 🔧
+        run: |
+          npm ci
+          npm run build || (echo "Build failed" && exit 1)
       - name: Install Anthropic DXT CLI
         run: npm install -g @anthropic-ai/dxt
       - name: Create DXT file