📎 Add note about fragments on object-gc ns

backend/src/app/tasks/objects_gc.clj

@@ -210,6 +210,9 @@
                         :project-id (str project-id)
                         :deleted-at (dt/format-instant deleted-at))
 
+                 ;; NOTE: fragments not handled here because they have
+                 ;; cascade.
+
                  ;; And finally, permanently delete the file.
                  (db/delete! conn :file {:id id})
 
@@ -230,7 +233,6 @@
                  (inc total))
                0)))
 
-
 (def ^:private sql:get-file-thumbnails
   "SELECT file_id, revn, media_id, deleted_at
      FROM file_thumbnail