Examine source code of YouTube Summarizer

{
  "name": "YouTube Summarizer",
  "description": "Summarize YouTube videos with AI",
  "version": "1.1.0",
  "manifest_version": 2,
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "https://api.anthropic.com/*",
    "https://api.openai.com/*"
  ],
  "browser_action": {
    "default_title": "YouTube Summarizer Settings"
  },
  "options_ui": {
    "page": "src/options.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "src/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0ba91f63-add8-4017-b417-8ba172d52951}"
    }
  }
}