You may see the following after updating dxp tools or sub plugins and attempting to run a datastore command…
$ dxp datastore simulator list
npm ERR! peer dep missing: openapi-types@>=7, required by @apidevtools/swagger-parser@10.0.2
dxp: "datastore" is not a dxp command. See 'dxp --help'.
Run the following steps to resolve:
rm -rf ~/.config/dxp
npm uninstall -g @squiz/dxp-cli
npm install -g @squiz/dxp-cli
dxp plugin add @squiz/dxp-plugin-datastore