Examine source code of Screen Recorder

{
  "manifest_version": 3,
  "name": "Screen Recorder",
  "description": "Local screen recorder with configurable output format and resolution.",
  "version": "0.1.1",
  "action": {
    "default_title": "Screen Recorder"
  },
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "service-worker.js"
    ]
  },
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "screen-recorder@lozoya.org",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}