Permissions - Create / Reply / See. What about editing based on group and category?

[cpradio]

Regarding Category Moderators, take a look at

Moderator Extension

This Plugin is no longer supported. If you’re looking to do category-specific moderation, please see: Category Group Review/Moderation https://github.com/angusmcleod/discourse-category-moderator-lite This plugin allows you to create a category-specific workflow for moderators. It’s a work in progress. I’m posting it here now, as there are probably aspects to moderation I don’t understand or appreciate and I’m hoping to get some feedback. This plugin does not, in any way, restrict a moderator’…

and

Category-Specific Moderators, phase 1 RFC

Preliminary spec for this feature. Overview Moderator authority may optionally be assigned for a particular category and its subcategories rather than over the entire site. This feature does not replace the existing whole-site moderator role. This feature does not alter the site-global access privileges associated with Trust Levels. The definition of “staff” (admin or global moderator) does not change with this feature. Category moderators are not considered to be staff. A moderated category…