Examine source code of Seniority Recorder

{
  "manifest_version": 3,
  "name": "Seniority Recorder",
  "version": "0.1.1",
  "description": "Graba tu actividad DENTRO de la pestaña que elijas, con consentimiento explícito. / Records your activity INSIDE the tab you pick, with explicit consent.",
  "permissions": [
    "storage",
    "tabs",
    "scripting",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Seniority Recorder"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "seniority-recorder@g-weil.com",
      "strict_min_version": "121.0"
    }
  }
}