Examine source code of AI-MarkDone

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "version": "4.5.1",
  "description": "__MSG_extDescription__",
  "default_locale": "en",
  "homepage_url": "https://zhaoliangbin42.github.io/ai-markdone/en/",
  "permissions": [
    "clipboardWrite",
    "storage",
    "identity",
    "https://chatgpt.com/*",
    "https://chat.openai.com/*",
    "https://gemini.google.com/*",
    "https://claude.ai/*",
    "https://chat.deepseek.com/*",
    "https://www.googleapis.com/*",
    "https://oauth2.googleapis.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://chatgpt.com/*",
        "https://chat.openai.com/*",
        "https://gemini.google.com/*",
        "https://claude.ai/*",
        "https://chat.deepseek.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    "icons/*.png",
    "_locales/*/messages.json",
    "vendor/katex/*.css",
    "vendor/katex/fonts/*",
    "page-bridges/*.js",
    "formula-renderer.html",
    "formula-renderer.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "ai-markdone@zhaoliangbin.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}