Use when the user wants GitHub collaboration operations — file or triage an issue, open a PR, review or merge a PR, or cut a release (bump / tag / publish). Triggers on "提 issue", "报 bug", "分诊", "关 issue", "提 PR", "开 PR", "review 这个 PR", "approve", "要求修改", "merge", "合了", "release", "发版本", "发 rc", "/issue", "/pr", "/review", "/release". Not for general code-quality review outside a PR, and not for CI/deployment automation.