Examine source code of Simple AI Summary

{
  "manifest_version": 3,
  "name": "Simple AI Summary",
  "version": "1.0",
  "description": "Simple, private text summarizer. Supports ChatGPT, Gemini, Claude, Perplexity and custom providers. Open source. No tracking, no middleman",
  "permissions": [
    "contextMenus",
    "storage",
    "scripting",
    "activeTab"
  ],
  "host_permissions": [
    "https://chatgpt.com/*",
    "https://gemini.google.com/*",
    "https://www.perplexity.ai/*",
    "https://claude.ai/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "action": {},
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "simple-ai-summary@rokas.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}