* Support private app connections
App selectors only accepted UUID connection identifiers, so apps=["github@private"] failed validation.
Accept connection aliases and route them through Clipper like UUID identifiers. This supports private connections and future platform aliases without client releases.
* chore: update tool specifications
---------
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>