Examine source code of Tab Title Cleaner

{
  "manifest_version": 3,
  "name": "Tab Title Cleaner",
  "version": "1.0",
  "description": "Cleans up tab titles by removing extra clutter like site names or special characters.",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-title-cleaner@example.com"
    }
  }
}