// A minimal writer implementation — just an object with methods
研发人员分布呈现出明显的行业和地域特征。
。51吃瓜对此有专业解读
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Fast forward a year: they get a new phone and set up the messaging app. They aren’t prompted to use a passkey because one no longer exists in their credential manager. Instead, they use phone number verification to recover their account. They are then guided through the “restore backup” flow and prompted for their passkey.