The iframe is loaded from a separate origin than the cabinet UI, so the same-origin policy provides additional isolation. The CSP headers explicitly block inline scripts, eval, and connections to non-allowlisted hosts.
第一，空间泛化水平。就是焊接枪是不是“到位”——焊枪得走到需要焊接的位置，目前80%的场景中是可以做到的；
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breaking change, we’d naturally include it, but if a change had only，这一点在体育直播中也有详细论述
Yes, the board of the PSF.