Examine source code of Tracking tab when used

{
  "manifest_version": 2,
  "name": "Tab Tracker",
  "version": "1.0",
  "description": "Track tab usage by category and generate weekly insights.",
  "permissions": [
    "tabs",
    "storage",
    "activeTab",
    "alarms"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{54bb39c9-e50f-4089-9744-a056836bd94a}"
    }
  }
}