Global Hotkeys via Media Session

Nobody has claimed this yet.

Looks like it is indeed possible to have yet another form of global hotkeys. We can start a media session and pretend we are playing music, at which point the browser will forward any key presses of the media keys on your keyboard (or any other way of pausing, playing, skipping, ... the current song, such as pressing buttons on your headphones) to custom JavaScript code you can execute:

https://developer.mozilla.org/en-US/docs/Web/API/MediaSession

```js
if ('mediaSession' in navigator){
navigator.mediaSession.metadata = new MediaMetadata({
title: "Podcast Episode Title",
artist: "Podcast Host",
album: "Podcast Name",
artwork: [{src: "podcast.jpg"}]
});
navigator.mediaSession.setActionHandler('play', function() {});
navigator.mediaSession.setActionHandler('pause', function() {});
navigator.mediaSession.setActionHandler('seekbackward', function() {});
navigator.mediaSession.setActionHandler('seekforward', function() {});
navigator.mediaSession.setActionHandler('previoustrack', function() {});
navigator.mediaSession.setActionHandler('nexttrack', function() {});
}
```

Seems like you may need to play some actual audio or so for this to work.

Start with the linked MDN MediaSession documentation and verify browser support, including whether active audio is required. Then locate the application's existing global-hotkey entry point and determine how media actions should connect to it. Done means supported media-key actions reliably invoke the intended handlers.

Written by the indexing model from the issue text.