Examine source code of FactScope

{
  "manifest_version": 3,
  "name": "FactScope — YouTube Fake News Checker",
  "version": "2.5.1",
  "description": "One click tells you if a YouTube video is Real, Fake, Mixed, or a Story — AI checks claims against live web sources.",
  "permissions": [
    "activeTab",
    "scripting",
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "https://www.youtube.com/*",
    "https://m.youtube.com/*",
    "https://video-verify-ai-11.emergent.host/*",
    "https://fact-scope.com/*"
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Check this video with FactScope",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*",
        "https://m.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "panel.css"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://fact-scope.com/*",
        "https://www.fact-scope.com/*"
      ],
      "js": [
        "bridge.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "factscope@emergent.sh",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ],
        "optional": []
      }
    }
  }
}