Review PRs

A PR review turns the open queue into terminal states: merged, closed, or explicitly parked. The rules live in CONTRIBUTING.md (Quality Requirements, Admission, Review Process, Automatic Rejection) — this skill is the workflow that applies them, not a second copy. Every PR named in chat is a PR link, [#<number>](https://github.com/vinta/awesome-python/pull/<number>), so the maintainer can open it from the terminal.

1. Fetch

Arguments name specific PRs; otherwise take the queue: gh pr list --repo vinta/awesome-python --limit 10 --json number,title,author,url,body,files,mergeable,mergeStateStatus. Fetch all diffs in parallel: gh pr diff <number> --repo vinta/awesome-python.

Sort the batch: entry additions continue; anything else (typo fixes, website changes, docs) is out of scope — report it under "needs human" and touch nothing, so it resurfaces every run until a human acts. Done when every PR is sorted and has its diff.

2. Screen

Apply the Automatic Rejection rules that the diff and PR metadata answer without judgment. The recently-closed-duplicate rule needs a lookup: `gh pr list --repo vinta/awesome-python --state closed --search "<project name>" --…