[WIP] Create host only fk::apply and host_device fk::apply_d versions

[Claude]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Create host only fk::apply and host_device fk::apply_d versions</issue_title>
<issue_description>To avoid the situation of calling a host only function from host_device fk::apply, make fk::apply host only FK_HOST_CNST and create a fk::apply_d version that is FK_HOST_DEVICE_CNST.

Update the code that currently uses apply or fk::apply, according to wheter the function where it is used is HOST or HOST_DEVICE.</issue_description>

Comments on the Issue (you are @claude[agent] in this section)

• Fixes Create host only fk::apply and host_device fk::apply_d versions #213