threadloop.app support

``` https://img.threadloop.app/tnFkc3MjGoVaW1aNzhG1_TS0PYX8clNyerrtG0RziHM/s:600:600/plain/https://threadloop.app/rails/active_storage/blobs/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MjE0MzQ3MSwicHVyIjoiYmxvYl9pZCJ9fQ==--1cb568230988deb8fe7ebed816924c5688a8727b/20260303_225243(1).jpg https://threadloop.app/rails/active_storage/blobs/proxy/eyJfcmFpbHMiOnsiZGF0YSI6MjE0MzQ3MSwicHVyIjoiYmxvYl9pZCJ9fQ==--1cb568230988deb8fe7ebed816924c5688a8727b/20260303_225243(1).jpg ``` Classic "just cut out the imgproxy middleman" case