d7c0135d0b
Review m-6. The XML doc said the token is cancelled on timeout only. ScriptRunGuard links it to the caller's token (CreateLinkedTokenSource(ct)), so it is also cancelled on shutdown or when the evaluating actor stops mid-run. The doc now says so. Refs #731 #734 Claude-Session: https://claude.ai/code/session_01Ub9hGmYLQvn9XETzw7CMsT