确保只读分类保持只读（即使是管理员）

[Heliosurge (Dan DeMontmorency)]

有一个针对已关闭主题的 TC。也许可以扩展它，或者为已关闭类别中的创建主题创建一个额外的自定义 #theme-component。

Warn admins/tl4 when replying to closed topics

Admin Warnings Theme Component https://github.com/davidtaylorhq/discourse-admin-warnings When admins click ‘reply’ on a closed topic, they will be warned. This helps to prevent admins accidentally continuing a closed/archived discussion (much to the frustration of other forum users!). [44] Warning text is configurable as a theme setting. To install, follow the instructions here:

也许为了更贴合，需要看看是否可以稍微修改一下，在类别安全中检查一个类别是否只有查看权限。