Known-call optimization
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This is “passwordless” authentication: no secrets are stored anywhere, yet we can cryptographically verify that a deployment came from a GitHub Action running in a repository owned by a Recurser. The tokens are short-lived (valid for a few minutes) and scoped to the specific workflow run.，详情可参考一键获取谷歌浏览器下载
Drawing the lineThe line between “expected” and “unexpected” depends on the task.