Add a box at the top of the interface, with radio buttons to filter by triage state
- Open cases - all items that have not been reviewed (default state)
- All "Page fixed" cases
- All "No action needed" cases
- My reviews - items that have been reviewed by the user viewing the page.
Changing the radio button and clicking Submit reloads the page with the selected filter.
The WikiProjects filter is on T132350: Add interface to filter by WikiProject to CopyPatrol