For AI agents: the complete documentation index is available at https://www.tteam.icu/llms.txt, the full documentation bundle is available at https://www.tteam.icu/llms-full.txt, and this page is available as Markdown at https://www.tteam.icu/ops/log/clickhouse%E6%97%A5%E5%BF%97%E7%B3%BB%E7%BB%9F.md.