Examine source code of RollCall – Google Meet Attendance Tracker

{
  "manifest_version": 3,
  "name": "RollCall – Google Meet Attendance Tracker",
  "version": "1.15.4",
  "description": "RollCall automatically tracks Google Meet attendance with complete privacy and zero setup required. Designed for educators.",
  "permissions": [
    "activeTab",
    "storage",
    "downloads",
    "scripting"
  ],
  "host_permissions": [
    "https://meet.google.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "rollcall@meet-tracker.com",
      "strict_min_version": "109.0"
    }
  },
  "background": {
    "service_worker": "src/background.js",
    "scripts": [
      "src/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://meet.google.com/*"
      ],
      "js": [
        "src/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "RollCall – Google Meet Attendance Tracker"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "report.html",
        "attendance-table.html",
        "attendance-table.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}