Pass predict additional args to the predict function

[dfalbel]

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[Copilot]

Pull Request Overview

This PR adds support for passing additional arguments to custom predict methods in fitted luz modules. Previously, the ... parameter was documented as unused but is now utilized to forward arguments to custom predict functions.

Key changes:

• Modified predict.luz_module_fitted to extract and forward additional arguments (excluding stack) to the predict function
• Added a new test to verify that additional arguments are correctly passed to custom predict methods

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
R/module.R	Updated predict logic to extract the stack parameter separately and forward remaining arguments via do.call
tests/testthat/test-module.R	Added test case verifying custom predict methods can receive additional arguments like scale

Comments suppressed due to low confidence (1)

R/module.R:377

• The documentation states that ... is 'Currently unused', but the implementation now uses these parameters to pass additional arguments to custom predict methods. Update the documentation to describe that additional parameters can be passed to custom predict methods.

#' @param ... Currently unused.

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