The four questions
All four are read-only, local, and need nothing but git and the files gitvow already writes.
Examples
Install the skills
The skills live in wirevow/gitvow-skills in the common Agent Skills format, oneSKILL.md per skill, and install with the skills tooling every supported agent reads:
gitvow on the agent’s PATH, which gitvow install already ensures for the per-user install.