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The progress callback function signature is inconsistent across different operations in the SDK.

The progress callback function signature is inconsistent across different operations in the SDK.: a task in LegoFlow-SWE (Harbor dataset). The following operations (among others) that support progress reporting should all invoke the callback with two parameters:

The task

The following operations (among others) that support progress reporting should all invoke the callback with **two** parameters:

Part of Lego-X/LegoFlow-SWE.