magpie-pr-stale-sweep

<!-- SPDX-License-Identifier: Apache-2.0 https://www.apache.org/licenses/LICENSE-2.0 --> <!-- Placeholder convention (see ../../AGENTS.md#placeholder-convention-used-in-skill-files): <project-config> → adopter's project-config directory <upstream> → adopter's public source repo (owner/name) <default-branch> → upstream's default branch (master vs main) Substitute these with concrete values from the adopting project's <project-config>/ before running any command below. --> # pr-stale-sweep This skill is the **stale-PR sweep** for the project's pull request queue. It identifies open PRs that have had no new commit, comment, or update activity past a configurable inactivity threshold, classifies each as either `REQUEST-UPDATE` (nudge the author to confirm they still intend to land this) or `CLOSE-STALE` (propose closure for abandoned PRs), and — on the user's explicit confirmation — posts one lightweight comment per PR and optionally converts to draft or closes. The skill **never converts, labels, closes, or edits any PR field without confirmation**. The decision belongs to the maintainer; this skill surfaces the candidates and pre-drafts the comments so the maintainer can review in bulk and confirm or skip individually. It composes with: - [`pr-management-triage`](../pr-management-triage/SKILL.md) — the full first-pass triage skill; the stale-sweep targets the dormant-PR subset only, while triage covers all...