（据我们观察发现，首条微博动态有历史编辑痕迹，其中修改了一个标点符号）
**B — Technical/Adversarial:** Risk surface is structural. What the system can be made to do by someone who isn't the intended user, or when safety assumptions fail. Use when the tool holds credentials, accepts untrusted input, or can take irreversible actions.
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