Cursor uses Apple’s Seatbelt (sandbox-exec) on macOS and Landlock plus seccomp on Linux. It generates a dynamic policy at runtime based on the workspace: the agent can read and write the open workspace and /tmp, read the broader filesystem, but cannot write elsewhere or make network requests without explicit approval. This reduced agent interruptions by roughly 40% compared to requiring approval for every command, because the agent runs freely within the fence and only asks when it needs to step outside.
结论就是，技术上L3当然不能被跳过。但商业上，车企在资源分配上，可以选择发力点L3还是L4。他们在赌，看谁先等来政策松绑。
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刘成的女儿早产，曾住进保温箱十天，出院后又因黄疸、肺部发育不良持续随访。儿童保健时，被检出患有先天性心脏病。没有户口，孩子无法办理医保，也无法购买商业保险，看病只能全额自费。
// Sync — when all components are synchronous。关于这个话题，heLLoword翻译官方下载提供了深入分析