read_page schema: {"page": {"description": "A page name returned by search_docs.", "enum": ["config.md", "deploy.md", "rollback.md", "tokens.md"], "title": "Page", "type": "string"}}
Q: How do I roll back production to r41?
   call search_docs({"query": "rollback"}) -> [{"page": "rollback.md", "title": "Roll back a release"}]
   call read_page({"page": "rollback.md"}) -> "# Roll back a release\n\n`shipctl rollback` moves an environment back to an earlier relea
   answer: To roll back production to r41, you should use the command `shipctl rollback --env production --to r41`. This action moves traffic to the specified release without rebuilding anything.
Q: How long is a CI deploy token valid?
   call search_docs({"query": "deploy token validity"}) -> [{"page": "tokens.md", "title": "Authenticate shipctl in CI"}, {"page": "deploy.md", "titl
   call read_page({"page": "tokens.md"}) -> "# Authenticate shipctl in CI\n\nCI jobs authenticate with a deploy token, not a personal
   answer: A deploy token expires after 90 days. You can check the expiry of your tokens using the `shipctl tokens list` command.
