Release v0.1.1

What's Changed

• Fix wt restore to handle diverged wt/ branches and add --force
• Reject stray positional arguments passed to wt new
• Treat worktree branch names literally when checking other worktrees during wt rm --delete-branch
• Allow scripts/package.sh to fall back to sha256sum when shasum is unavailable
• Expand smoke tests to cover archive/restore and branch deletion flows

Checks

• make lint
• make test

v0.1.0

Initial release.