i think most of this works lole

app/services/file_service.py

@@ -120,7 +120,7 @@ class FileService:
         """List files with optional filtering"""
         query = db.query(File)
         if file_type:
-            query = query.filter(File.type == file_type)
+            query = query.filter(File.type == file_type).order_by(File.created_at.desc())
         files = query.offset(skip).limit(limit).all()
         return [FileInDB.model_validate(file) for file in files]