Examine source code of Math To Word Exporter

{
  "manifest_version": 3,
  "name": "Math to Word",
  "version": "3.4",
  "description": "Export AI math conversations to Word. Claude, ChatGPT, Gemini, Perplexity, DeepSeek.",
  "permissions": [
    "activeTab",
    "scripting",
    "downloads",
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "https://claude.ai/*",
    "https://chatgpt.com/*",
    "https://*.chatgpt.com/*",
    "https://chat.openai.com/*",
    "https://gemini.google.com/*",
    "https://www.perplexity.ai/*",
    "https://chat.deepseek.com/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "lib/*",
        "content.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "mathtoword@rahulraihan",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}