backstage/.changeset/peer-modules-cli-support.md

@backstage/cli, @backstage/cli-node

@backstage/cli	@backstage/cli-node
patch	patch

Added support for the new peerModules metadata field in package.json. This field allows plugin packages to declare modules that should be installed alongside them for cross-plugin integrations. The field is validated by backstage-cli repo fix --publish.