Guidance for agents working on this project.
native-video-player.user.js is a userscript for X (x.com and twitter.com). It is published as a GitHub gist:
https://gist.github.com/busheezy/00833f895884caa6c2291e8bd1da5c3f
The goal: **videos on X behave exactly like they do with X's own player, but the controls are the browser's native