webtorrent/webtorrent-desktop ? reverse-engineered prompt

Build me a desktop app that lets people open a torrent and start streaming it right away on Mac, Windows, and Linux.

I want a simple, polished app where someone can drop in a magnet link or torrent file, see their downloads in one place, and play videos without waiting for the full file to finish. It should feel like a real desktop app, with a clean main window, media playback, basic download progress, and a nice experience for adding, pausing, and removing torrents.

Please make it work well as an Electron app with a modern React based interface, and keep the styling clean and friendly. If you need to check current docs for Electron or the UI library, go ahead and look them up online. Also include the usual app setup so it can run locally, be tested, and be packaged for desktop releases.