Examine source code of Day Progress Tracker

{
  "manifest_version": 3,
  "name": "Day Progress Tracker",
  "version": "2.0",
  "description": "Tracks daily progress and safely fetches Google Calendar events.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://calendar.google.com/calendar/ical/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "dayprogress-v2@yourdomain.local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}