Re: [PATCH v4 0/3] replay: make atomic ref updates the default

> This is v4 of the git-replay atomic updates series.
>
> Based on feedback from v3, this version improves the naming and
> implementation for clarity and type safety. Thanks to Junio, Christian,
> Elijah, Phillip, Patrick, and Karthik for the detailed reviews.
>
> ## Changes in v4
>
> **Renamed --update-refs to --ref-action**
>
> Junio pointed out that "--update-refs=print" is semantically awkward.
> Answering "print" to the question "update refs?" doesn't make sense.
> The actual question is "what action should we take on the refs?"
>
> Changed to --ref-action=(update|print) where both values are verbs that
> answer "what action?". This makes the interface clearer.
>
> **Aligned config name with command-line option**
>
> Changed replay.defaultAction to replay.refAction. The config variable
> now mirrors the option name, making the relationship obvious.
>
> **Unified config and command-line values**