Add `h1_spending =...` to `gs_power_wlr`

The current version of `gs_power_wlr` does not include` h1_spending = ...` argument. I will add this feature in an upcoming PR.

![Image](https://github.com/user-attachments/assets/4bb0d4fb-649b-4b1e-a469-c785f2644edc)