### Description of feature missing from another Zulip client Horizontal Rules are not rendered in message box <!-- Is this an entire missing feature? Or part of the feature? --> Currently it shows this: <img width="1052" height="118" alt="Image" src="https://github.com/user-attachments/assets/0b89edc7-bd3a-48e7-8c1e-ad406bfa46cf" />
Description of feature missing from another Zulip client
Horizontal Rules are not rendered in message box
Currently it shows this:
