Reproduction steps
- Create a media channel
- Upload a video
- Observe how the thumbnail is black and media proxy returning 400 Bad Requst
Expected behaviour
The thumbnail should be rendered.
Actual behaviour
Because of https://github.com/fluxerapp/fluxer/blob/8f4c966d3a4ae5ec3c4535aa989598e89cfc4e4e/fluxer_app/src/features/forum/components/ForumPostCard.tsx#L155-L160 the client is not setting format and only width, which the media proxy doesn't like
Build information
Canary Desktop 2026.1015.145307, Web 2026.1015.145307, Windows 11 10.0.26300 (x64), Electron 44.4.1, Chrome 152.0.7977.78, Node 24.21.0, Locale en-GB
Platform
macOS, Windows, Web