Create 2025-09-26-body-phase-selector.mdx

[warnessa]

Summary

added details to changelog for new gateway policy selector

Documentation checklist

• [x ] Is there a changelog entry (guidelines)? If you don't add one for something awesome and new (however small) — how will our customers find out? Changelogs are automatically posted to RSS feeds, the Discord, and X.
• [ x] The documentation style guide has been adhered to.

[holopin-bot]

Congratulations @warnessa, the maintainer of this repository has issued you a holobyte! Here it is: https://holopin.io/holobyte/cmg5i5mm7000ijn04pv0urbux

This badge can only be claimed by you, so make sure that your GitHub account is linked to your Holopin account. You can manage those preferences here: https://holopin.io/account.
Or if you're new to Holopin, you can simply sign up with GitHub, which will do the trick!