Restores the selection and all submodules below it recursively, asking
only if work would be lost. May clone/fetch missing objects (D23).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
`!` reduces the tree to submodules with issues (or unknown state) plus
their ancestors, reusing the filter's reduction. Adds docs/actions.md as
a draft spec for restore and stage pin.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>