Could we consider adding an option for users to choose whether their posts can be viewed by everyone (including anonymous users) or only by logged-in users when they publish a post?

Dear Teacher,

Could we consider adding a feature that allows users to choose whether their posts are visible to everyone (including anonymous viewers) or only to logged-in users? This option would help control the visibility of posts.

The purpose is to manage the privacy of certain posts and, by regulating user registration, maintain the health and professionalism of the community.

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answer老师好：
是否可以考虑新增功能， 用户在发帖的时候，可以选择所有人（包含匿名）可以浏览，或者 只有用户登录后可以浏览，这样的选项，来控制阅读范围。
目的是为了控制某些帖子的隐私性，通过控制用户注册的方式，来管理社区的健康和发帖的专业性

No files, tests, or entry points are named. Start by locating how post visibility and logged-in access are currently handled, then clarify the permission model and affected post views before implementation. Done means authors can choose anonymous or logged-in visibility when publishing, and access follows that choice.

Written by the indexing model from the issue text.