Examine source code of Anime Assistant

{
  "manifest_version": 3,
  "name": "Anime Assistant",
  "version": "1.3",
  "description": "Chat with AI about the anime you're watching",
  "permissions": [
    "activeTab",
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>",
    "https://generativelanguage.googleapis.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lib/browser-polyfill.js",
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "sidebar_action": {
    "default_panel": "sidebar/sidebar.html",
    "default_title": "Anime Assistant",
    "default_icon": {
      "48": "icons/icon-48.svg",
      "96": "icons/icon-96.svg"
    }
  },
  "action": {
    "default_icon": {
      "48": "icons/icon-48.svg",
      "96": "icons/icon-96.svg"
    },
    "default_title": "Anime Assistant"
  },
  "icons": {
    "48": "icons/icon-48.svg",
    "96": "icons/icon-96.svg",
    "128": "icons/icon-128.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "anime-assistant@yourdomain.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}