Reproduction steps
- Open a server with account A.
- Open a server with account B.
- Create a new channel with account A in a existing hidden category.
- Check the channel sidebar with account B.
Expected behaviour
The newly created channel should immediately appear under its assigned category without requiring a page reload.
Actual behaviour
The channel does not appear in the category list until the web app is manually reloaded.
Build information
Stable Web 2026.1101.35536, Windows NT 10.0 (x64), Chrome 156.0.0.0, Locale en-US
Platform
Web, Self-hosting