Examine source code of Gemini Summarizer & Q&A

{
  "manifest_version": 3,
  "name": "Gemini Summarizer & Q&A",
  "version": "2.2",
  "description": "Summarize selected text (or full page) and answer questions using Google Gemini API",
  "icons": {
    "16": "icon_16.png",
    "32": "icon_32.png",
    "48": "icon_48.png",
    "128": "icon_128.png"
  },
  "permissions": [
    "storage",
    "activeTab"
  ],
  "host_permissions": [
    "https://api.tavily.com/*",
    "https://api.search.brave.com/*",
    "https://ydc-index.io/*",
    "https://openrouter.ai/*",
    "https://generativelanguage.googleapis.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "gemini-summarizer@firefox-extension",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ],
        "optional": []
      }
    }
  }
}