- Change route from /s3/multipart/:bucket/*key/init to /s3/multipart/:bucket/*key?action=init - Add multipart_handler to unify all multipart operations - Use Response type instead of impl IntoResponse for type compatibility
- Change route from /s3/multipart/:bucket/*key/init to /s3/multipart/:bucket/*key?action=init - Add multipart_handler to unify all multipart operations - Use Response type instead of impl IntoResponse for type compatibility