Examine source code of Tab Cleanup Scheduler

{
  "manifest_version": 3,
  "name": "Tab Cleanup Scheduler",
  "version": "1.0.1",
  "description": "Automatically clean up tabs on a configurable schedule with filtering options",
  "author": "Ryan Sumner",
  "homepage_url": "https://ryansumner.dev",
  "developer": {
    "name": "Ryan Sumner",
    "url": "https://ryansumner.dev"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-cleanup-scheduler@ryansumner.dev",
      "strict_min_version": "139.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "alarms",
    "contextualIdentities",
    "tabGroups"
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "action": {
    "default_title": "Tab Cleanup Scheduler",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "options_ui": {
    "page": "options.html"
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}