Examine source code of TypeChat AI

{
  "manifest_version": 3,
  "name": "TypeChat AI",
  "description": "Enhances AI chat experiences by adding realistic typing sounds to responses from ChatGPT, Claude, and other AI platforms",
  "version": "1.0",
  "author": "TypeChat AI Team",
  "homepage_url": "https://github.com/typechat-ai",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://chat.openai.com/*",
        "https://claude.ai/*",
        "https://chat.deepseek.com/*",
        "https://chatgpt.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "audio/press1.mp3",
        "audio/press2.mp3",
        "audio/press3.mp3",
        "audio/press4.mp3",
        "audio/press5.mp3"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "roshangedam1998@gmail.com",
      "strict_min_version": "58.0"
    }
  }
}