Examine source code of SkipIfFake

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "SkipIfFake",
  "description": "AI music detector for people who prefer their artists with a pulse.",
  "version": "1.0.1",
  "icons": {
    "16": "icon/16.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "notifications",
    "scripting"
  ],
  "host_permissions": [
    "https://www.skipiffake.com/*",
    "https://open.spotify.com/*",
    "https://music.youtube.com/*",
    "https://music.apple.com/*",
    "https://www.deezer.com/*",
    "https://deezer.com/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon/16.png",
      "48": "icon/48.png",
      "128": "icon/128.png"
    },
    "default_title": "SkipIfFake"
  },
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "https://deezer.com/*",
        "https://music.apple.com/*",
        "https://music.youtube.com/*",
        "https://open.spotify.com/*",
        "https://www.deezer.com/*"
      ],
      "all_frames": true,
      "js": [
        "content-scripts/bridge.js"
      ]
    },
    {
      "matches": [
        "https://deezer.com/*",
        "https://music.apple.com/*",
        "https://music.youtube.com/*",
        "https://open.spotify.com/*",
        "https://www.deezer.com/*"
      ],
      "all_frames": true,
      "run_at": "document_start",
      "js": [
        "content-scripts/mediasession.js"
      ],
      "world": "MAIN"
    }
  ]
}