Fix npm publish error by adding --access public flag

Resolves "402 Payment Required" error when publishing scoped package.
Scoped packages (@organization/package) are private by default and require
the --access public flag to publish as public packages.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: Phil Whittaker

build/azure-pipelines.yml

@@ -90,6 +90,6 @@ stages:
             fi
 
             echo "Publishing version ${version} with tag ${tag}"
-            npm publish "${files[0]}" --tag $tag
+            npm publish "${files[0]}" --tag $tag --access public
           displayName: Push to npm with dynamic tagging
           workingDirectory: $(Pipeline.Workspace)/npm-package