docs: update governance and operations guidance

Cai

4 days ago bf157a136d9b08c14b4da2997dc5a03b1a1af33d

1
{"source_id": "SOURCE_LEGACY_EXTERNAL_INFORMATION_CASEBOOK", "source_title": "Legacy external information casebook", "source_url_or_path": "legacy_source/external_information_casebook.md", "source_type": "MARKDOWN_CASEBOOK", "publish_time": null, "available_time": null, "raw_text_hash": "4e8b112c13e5a8fecac8bc8afb4962010955b4242eec6c76ea70d57fe0396892", "source_reliability": "HISTORICAL_PROJECT_SOURCE", "archive_status": "READY"}