Fix npm publish by passing NODE_AUTH_TOKEN to publish step

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Chris Arter

.github/workflows/publish.yml

@@ -25,3 +25,5 @@ jobs:
       - run: npx tsc
 
       - run: npm publish --access public --provenance
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}