288 MB — 可直接嵌入应用包，无需单独下载
Under the hood, BPattern builds a pattern AST using the same pattern node classes as the rewrite engine. All the original matching and rewriting machinery is still there — just wrapped in a more approachable, scriptable interface.
，更多细节参见51吃瓜
Trump orders all federal agencies to phase out use of Anthropic technology
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