### Description - [x] Org admins should be able to view a list of dedupe sources. - [ ] Org admins should be able to purge the collection dedupe index. - [ ] Show dedupe index stats in collection details ## Wireframes <img width="1209" height="509" alt="Image" src="https://github.com/user-attachments/assets/18b8899e-c30d-4330-8bf3-f9f2316999b1" /> <img width="1302" height="751" alt="Image" src="https://github.com/user-attachments/assets/b5570595-3f17-4c0e-8c4c-3f467e8cac47" /> <img width="709" height="564" alt="Image" src="https://github.com/user-attachments/assets/8d10542b-6794-43bb-ab86-1ff12705f743" /> <img width="726" height="575" alt="Image" src="https://github.com/user-attachments/assets/fbe49675-b3f6-4289-81e2-6ebc92e33bd4" /> ### Context Follows https://github.com/webrecorder/browsertrix/issues/2861
