Post Read-only mode on a category

[ondrej]

Will this plugin suffice?

Discourse Private Replies

Github: GitHub - communiteq/discourse-private-replies This plugin hides topic replies for everyone but the topic starter and the post author. Use cases This can be used for for instance homework assignments where the teacher opens a topic and posts an assignment, and all students make a post with their answers. When everyone has submitted their work, the teacher can open up the answers so the students will be able to discuss them. A second use case can be an auction where something is offered…