Examine source code of AI Usage Tracker

{
  "manifest_version": 2,
  "name": "AI Usage Tracker",
  "description": "Your AI usage at a glance.",
  "version": "1.2.0",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "alarms",
    "cookies",
    "storage",
    "https://claude.ai/*",
    "https://api.claude.ai/*",
    "https://chatgpt.com/*",
    "https://gemini.google.com/*",
    "https://github.com/*"
  ],
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+I"
      }
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2b8295f0-aceb-446e-aa63-2272d17060e1}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "AI Usage Tracker",
    "default_popup": "popup.html"
  }
}