The governed door for GitHub issue mutations (#412): the issue-side sibling of the PR pen. A session does not type raw `gh issue close` or `gh issue comment` — those are forbidden by the fence and, worse, used to slip through the Claude surface silently (the prompt-parity hole: a `prompt`-decision f
The governed door for GitHub issue mutations (#412): the issue-side sibling of the PR pen. A session does not type raw `gh issue close` or `gh issue comment` — those are forbidden by the fence and, worse, used to slip through the Claude surface silently (the prompt-parity hole: a `prompt`-decision fence rule is a no-op on Claude). This pen is the paved path: it closes or comments through the `gh`