Examine source code of DeepSeek Summarizer

{
  "manifest_version": 2,
  "name": "DeepSeek Summarizer",
  "version": "2.1",
  "description": "Суммирование активной страницы через DeepSeek с учетом промпта",
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "<all_urls>"
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "options_page": "options.html",
  "browser_specific_settings": {
    "gecko": {
      "id": "deepseek-summarizer@example.com"
    }
  }
}